J. Ohta

发表

Computer vision for computer games

Kazuo Kyuma, Jun Ohta, William T. Freeman, 1996, Proceedings of the Second International Conference on Automatic Face and Gesture Recognition.

Sputtering condition optimization of sputtered IrOx and TiN stimulus electrodes for retinal prosthesis

J. Ohta, Yi-Li Pan, T. Noda, 2013 .

An Implantable CMOS Image Sensor With Self-Reset Pixels for Functional Brain Imaging

J. Ohta, T. Noda, K. Sasagawa, 2016, IEEE Transactions on Electron Devices.

S-band Tm3+-doped tellurite glass microsphere laser via a cascade process

J. Ohta, K. Sasagawa, M. Nunoshita, 2004 .

An artificial retina chip with current-mode focal plane image processing functions

J. Ohta, K. Kyuma, E. Funatsu, 1997 .

Image sensor pixel with on-chip high extinction ratio polarizer based on 65-nm standard CMOS technology.

Sanshiro Shishido, Jun Ohta, Takashi Tokuda, 2013, Optics express.

Highly sensitive lens-free fluorescence imaging device enabled by a complementary combination of interference and absorption filters

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2018, Biomedical optics express.

A Study of Bending Effect on Pulse-Frequency-Modulation-Based Photosensor for Retinal Prosthesis

D. C. Ng, J. Ohta, T. Tokuda, 2003 .

A CMOS 256-pixel photovoltaics-powered implantable chip with active pixel sensors and iridium-oxide electrodes for subretinal prostheses

J. Ohta, Chung-Yu Wu, T. Noda, 2018 .

1 mm3-sized optical neural stimulator based on CMOS integrated photovoltaic power receiver

Mohamad Sawan, Jun Ohta, Takashi Tokuda, 2018 .

A Low-Voltage Complementary Metal Oxide Semiconductor Image Sensor Using Pulse-Width-Modulation Scheme for Biomedical Applications

J. Ohta, K. Sasagawa, T. Tokuda, 2009 .

A low-voltage PWM CMOS imager with small pixel size using an in-pixel gate-common comparator

Keiichiro Kagawa, Sanshiro Shishido, Tatsuya Sasaki, 2007, IEICE Electron. Express.

CMOS image sensor integrated with micro-LED and multielectrode arrays for the patterned photostimulation and multichannel recording of neuronal tissue.

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2012, Optics express.

On-chip cell analysis platform: Implementation of contact fluorescence microscopy in microfluidic chips

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2017 .

Implantable micro-optical semiconductor devices for optical theranostics in deep tissue

J. Ohta, T. Noda, K. Sasagawa, 2016 .

On-chip biofluorescence imaging inside a brain tissue phantom using a CMOS image sensor for in vivo brain imaging verification

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2006 .

Parylene-based flexible imaging device for physiological measurement of rodent brain

J. Ohta, T. Noda, K. Sasagawa, 2017, 2017 IEEE SENSORS.

Implantable CMOS Imaging Devices

J. Ohta, 2014 .

Implantable optogenetic device with CMOS IC technology for simultaneous optical measurement and stimulation

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2017 .

Implantable imaging device for brain functional imaging system using flavoprotein fluorescence

J. Ohta, H. Yamaura, T. Noda, 2016 .

Intrinsic signal imaging of brain function using a small implantable CMOS imaging device

Jun Ohta, Takashi Tokuda, Hironari Takehara, 2015 .

Fluorescence imaging under background light with a self-reset complementary metal–oxide–semiconductor image sensor

J. Ohta, T. Noda, K. Sasagawa, 2015 .

An implantable CMOS device for blood-flow imaging during experiments on freely moving rats

Jun Ohta, Takashi Tokuda, Hironari Takehara, 2014 .

An implantable and fully integrated complementary metal–oxide semiconductor device for in vivo neural imaging and electrical interfacing with the mouse hippocampus

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2008 .

Real time in vivo imaging and measurement of serine protease activity in the mouse hippocampus using a dedicated complementary metal-oxide semiconductor imaging device

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2006, Journal of Neuroscience Methods.

CMOS image sensor working as high-speed photo receivers as well as a position sensor for indoor optical wireless LAN systems

J. Ohta, M. Nunoshita, K. Kagawa, 2003, IS&T/SPIE Electronic Imaging.

GaAs/AlGaAs optical synaptic interconnection device for neural networks.

J. Ohta, K. Kyuma, K. Mitsunaga, 1989, Optics letters.

Variable sensitivity photodetector for optical neural networks

J. Ohta, K. Kyuma, Y. Nitta, 1991 .

The development of a multichannel electrode array for retinal prostheses

J. Ohta, M. Ozawa, T. Tokuda, 2006, Journal of Artificial Organs.

Lensless fluorescence microscope

J. Ohta, T. Noda, K. Sasagawa, 2018 .

A Miniature Imaging Device Using a Self-Reset Image Sensor for Hemodynamic Imaging

J. Ohta, T. Noda, K. Sasagawa, 2017 .

Smart Stimulators for Retinal Prosthesis A Flexible and Extendable Microchip-Based Stimulator

J. Ohta, Y. Tano, T. Fujikado, 2006 .

Performance Improvements of Polarization-analyzing CMOS Image Sensor

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011 .

An implantable image sensor with self-reset function for brain imaging

Jun Ohta, Takashi Tokuda, Takahiro Yamaguchi, 2014, 2014 IEEE Biomedical Circuits and Systems Conference (BioCAS) Proceedings.

Planar Multielectrode Array Coupled Complementary Metal Oxide Semiconductor Image Sensor for In vitro Electrophysiology

J. Ohta, T. Noda, K. Sasagawa, 2011 .

Cell Classification from Multi-Focus Images by Deep Neural Network

J. Ohta, R. Kurazume, K. Morooka, 2019 .

Implantable semiconductor imaging devices for in vivo optical imaging of brain

J. Ohta, T. Noda, K. Sasagawa, 2015 .

A polarisation‐analysing CMOS image sensor for sensitive polarisation modulation detection

J. Ohta, K. Sasagawa, M. Haruta, 2021, Electronics Letters.

Implantable CMOS Fluorescent Imaging Devices

J. Ohta, K. Sasagawa, T. Tokuda, 2020, Brain Informatics and Health.

Propranolol prevents cerebral blood flow changes and pain-related behaviors in migraine model mice.

J. Ohta, K. Sasagawa, M. Haruta, 2019, Biochemical and biophysical research communications.

Chronic brain blood-flow imaging device for a behavioral experiment using mice.

J. Ohta, T. Noda, K. Sasagawa, 2019, Biomedical optics express.

Wide field-of-view lensless fluorescence imaging device with hybrid bandpass emission filter

J. Ohta, K. Sasagawa, T. Tokuda, 2019, AIP Advances.

Needle type CMOS imaging device for fluorescence imaging of deep brain activities with low invasiveness

J. Ohta, T. Noda, K. Sasagawa, 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).

Optoelectronics devices for biomedical applications

J. Ohta, T. Noda, K. Sasagawa, 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).

A CMOS sensor for in-vivo fluorescence and electrical imaging in a mouse brain

J. Ohta, T. Noda, K. Sasagawa, 2009, 2009 IEEE Biomedical Circuits and Systems Conference.

Design and Packaging of an Implantable CMOS Neural Imaging and Interface Device

D. C. Ng, J. Ohta, T. Tokuda, 2007 .

Development of a Fully Integrated Complementary Metal–Oxide–Semiconductor Image Sensor-Based Device for Real-Time In vivo Fluorescence Imaging inside the Mouse Hippocampus

D. C. Ng, J. Ohta, T. Tokuda, 2007 .

A Complementary Metal–Oxide–Semiconductor Image Sensor for On-Chip in Vitro and in Vivo Imaging of the Mouse Hippocampus

D. C. Ng, J. Ohta, T. Tokuda, 2006 .

Implantable micro-sized image sensor for data transmission with intra-vital optical communication

J. Ohta, T. Noda, K. Sasagawa, 2017 .

CMOS-BASED IMPLANTABLE GLUCOSE SENSOR USING GLUCOSE-RESPONSIVE FLUORESCENT HYDROGEL

J. Ohta, S. Takeuchi, T. Noda, 2014 .

Optical Biosensors: Implantable Multimodal Devices in Freely Moving Rodents

J. Ohta, K. Sasagawa, M. Haruta, 2020, Handbook of Biochips.

Proposal and Preliminary Experiments of Indoor Optical Wireless LAN Based on a CMOS Image Sensor with a High-Speed Readout Function Enabling a Low-Power Compact Module with Large Uplink Capacity

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2003 .

Improvement of a pulse frequency modulation based photosensor for retinal prosthesis

D. C. Ng, J. Ohta, T. Tokuda, 2003, Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498).

A CMOS image sensor with low fixed pattern noise suitable for lensless observation system of digital enzyme-linked immunosorbent assay (ELISA)

J. Ohta, R. Iino, T. Noda, 2013, 2013 IEEE International Meeting for Future of Electron Devices, Kansai.

Complementary Metal–Oxide–Semiconductor Image Sensor with Microchamber Array for Fluorescent Bead Counting

J. Ohta, R. Iino, T. Noda, 2012 .

Monolithic integration of optical neurochip with variable sensitivity photodetector

J. Ohta, K. Kyuma, Y. Nitta, 1993, IEEE Photonics Technology Letters.

Polarization Analyzing Image Sensor with On-Chip Metal Wire Grid Polarizer in 65-nm Standard Complementary Metal Oxide Semiconductor Process

J. Ohta, T. Noda, K. Sasagawa, 2011 .

17-2 Characterization of wide dynamic range CMOS image sensor by fusion of active and passive pixel sensors

Keiichiro Kagawa, Jun Ohta, Masahiro Nunoshita, 2006 .

Micro-LED Array-Based Photo-Stimulation Devices for Optogenetics in Rat and Macaque Monkey Brains

J. Ohta, M. Akay, H. Onoe, 2021, IEEE Access.

Position-Controlled Si Nanocrystals in a SiO2 Thin Film Using a Novel Amorphous Si Ultra-Thin-Film “Nanomask” due to a Bio-Nanoprocess for Low-Energy Ion Implantation

J. Ohta, M. Nunoshita, S. Nagamachi, 2008 .

Optical and Electric Multifunctional CMOS Image Sensors for On-Chip Biosensing Applications

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2010, Materials.

An Optical/Potential/Voltammetric Multifunctional CMOS Image Sensor for On-chip Biomolecular/Neural Sensing Applications

J. Ohta, T. Tokuda, M. Nunoshita, 2006 .

An image sensor based on demodulation using modulated illumination

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2001 .

Randles Circuit Model for Characterizing a Porous Stimulating Electrode of the Retinal Prosthesis

J. Ohta, K. Sasagawa, M. Haruta, 2021, IEEJ Transactions on Sensors and Micromachines.

Devices for Optical Neuro Computing

Jun Ohta, Kazuo Kyuma, J. Ohta, 1990 .

CMOS sensor-based miniaturised in-line dual-functional optical analyser for high-speed, in situ chirality monitoring

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2013 .

CMOS sensor-based palm-sized in-line optical analysis device for microchemistry systems

J. Ohta, T. Noda, K. Sasagawa, 2014 .

Demonstrations of Polarization Imaging Capability and Novel Functionality of Polarization-Analyzing CMOS Image Sensor with 65 nm Standard CMOS Process

J. Ohta, T. Noda, K. Sasagawa, 2014 .

Application of an image sensor with the function for detecting a modulated light signal to digital camera preventing black out and white out effect

Keiichiro Kagawa, Jun Ohta, Katsumasa Asahi, 2006 .

In Vitro Long-Term Performance Evaluation and Improvement in the Response Time of CMOS-Based Implantable Glucose Sensors

Jun Ohta, Takashi Tokuda, Shoji Takeuchi, 2016, IEEE Design & Test.

CMOS-based implantable glucose monitoring device with improved performance and reduced invasiveness

J. Ohta, S. Takeuchi, T. Noda, 2015 .

19-3 Design of an imaging CMOS image sensor for lensless digital ELISA

Jun Ohta, Takashi Tokuda, Hiroyuki Noji, 2014 .

Planar Multielectrode Array Coupled Complementary Metal Oxide Semiconductor Image Sensor for In vitro Electrophysiology

J. Ohta, T. Noda, K. Sasagawa, 2011 .

“Optical communication with brain cells by means of an implanted duplex micro-device with optogenetics and Ca2+ fluoroimaging”

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2016, Scientific Reports.

[Invited Paper] Near-infrared Colorized Imaging Technologies and Their Fundus Camera Applications

J. Ohta, K. Sasagawa, M. Haruta, 2022, ITE Transactions on Media Technology and Applications.

Zn-Doped TiO2 Powder Prepared by Solution Combustion Synthesis as Non-Enzymatic Sensor for Acetylcholine Detection

J. Ohta, K. Sasagawa, M. Haruta, 2020 .

MBE growth mode and C incorporation of GeC epilayers on Si(0 0 1) substrates using an arc plasma gun as a novel C source

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2003 .

Near-infrared fundus camera with a patterned interference filter for the retinal scattering detection

J. Ohta, K. Sasagawa, M. Haruta, 2021, Japanese Journal of Applied Physics.

Intravital fluorescence imaging of mouse brain using implantable semiconductor devices and epi-illumination of biological tissue.

Jun Ohta, Takashi Tokuda, Hironari Takehara, 2015, Biomedical optics express.

An algorithm for evaluating overlapping bubble images recorded by double pulsed laser holography

Franz Mayinger, P. Gebhard, J. Ohta, 2001 .

Compact Lensless Fluorescence Counting System for Single Molecular Assay

Jun Ohta, Takashi Tokuda, Hironari Takehara, 2018, IEEE Transactions on Biomedical Circuits and Systems.

A CMOS image sensor with stacked photodiodes for lensless observation system of digital enzyme-linked immunosorbent assay

Jun Ohta, Takashi Tokuda, Hiroyuki Noji, 2014 .

Electrochemical activities of Fe2O3-modified microelectrode for dopamine detection using fast-scan cyclic voltammetry

J. Ohta, K. Sasagawa, M. Haruta, 2023, AIP Advances.

Honeycomb-type retinal device using chemically derived iridium oxide biointerfaces

J. Ohta, K. Sasagawa, M. Haruta, 2021, AIP Advances.

Wiley Encyclopedia of Electrical and Electronics Engineering: Retinal Prosthesis

Jun Ohta, Takashi Tokuda, Hiroyuki Tashiro, 2018 .

Mechanical Machining-based Three-Dimensional Electrode Array for Chronic Neural Stimulation

J. Ohta, T. Tokuda, Y. Terasawa, 2016 .

Implantable CMOS imaging devices for bio-medical applications

Jun Ohta, J. Ohta, 2011, 2011 IEEE 54th International Midwest Symposium on Circuits and Systems (MWSCAS).

Photoactivatable oncolytic adenovirus for optogenetic cancer therapy

J. Ohta, K. Sasagawa, T. Tokuda, 2020, Cell Death & Disease.

A micro imaging device for measuring neural actvities in the mouse deep brain with minimal invasiveness

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2012, 2012 IEEE Biomedical Circuits and Systems Conference (BioCAS).

Implantable self-reset CMOS image sensor and its application to hemodynamic response detection in living mouse brain

Takahiro Yamaguchi, J. Ohta, T. Noda, 2016 .

Implantable Microimaging Device for Observing Brain Activities of Rodents

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2017, Proceedings of the IEEE.

Modular head-mounted cortical imaging device for chronic monitoring of intrinsic signals in mice

J. Ohta, K. Sasagawa, M. Haruta, 2022, Journal of biomedical optics.

CMOS Imaging Device for Optical Imaging of Biological Activities

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011 .

CMOS image sensor for recording of intrinsic-optical-signal of the brain

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2009, 2009 International SoC Design Conference (ISOCC).

Implantable micro CMOS imaging devices for biomedical applications

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2013, 2013 International Conference on Optical MEMS and Nanophotonics (OMN).

Very small-size and high-density β-FeSi2 nanocrystal assemblies grown on a Si(100) substrate using an embedded solid-phase epitaxy and bionanoprocess with protein ferritin

J. Ohta, M. Nunoshita, Y. Nakama, 2007 .

Weight quantization in Boltzmann machines

Kazuo Kyuma, Jun Ohta, Wolfgang Balzer, 1991, Neural Networks.

Self-Reset Image Sensor With a Signal-to-Noise Ratio Over 70 dB and Its Application to Brain Surface Imaging

J. Ohta, K. Sasagawa, M. Haruta, 2021, Frontiers in Neuroscience.

Hemodynamic imaging using an implantable self-reset image sensor

Jun Ohta, Takashi Tokuda, Takahiro Yamaguchi, 2016, 2016 IEEE Biomedical Circuits and Systems Conference (BioCAS).

Noise performance of an implantable self-reset CMOS image sensor

Jun Ohta, Takashi Tokuda, Takahiro Yamaguchi, 2014, 2014 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK).

Implantable image sensor based on intra-brain image transmission

Jun Ohta, Takashi Tokuda, Keren Li, 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

[Paper] A CMOS Optoelectronic Neural Interface Device Based on an Image Sensor with On-chip Light Stimulation and Extracellular Neural Signal Recording for Optogenetics

Kiyotaka Sasagawa, Yosmongkol Sawadsaringkarn, Toshihiko Noda, 2013 .

Baseband signal transmission experiment for intra-brain communication with implantable image sensor

Jun Ohta, Takashi Tokuda, Keren Li, 2012, 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Image signal transmission through brain by an implantable micro-imager

T. Matsuda, T. Tokuda, K. Li, 2012, 2012 IEEE Biomedical Circuits and Systems Conference (BioCAS).

Wireless intra-brain communication for image transmission through mouse brain

Jun Ohta, Takashi Tokuda, Keren Li, 2011, 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Micro CMOS image sensor for multi-area imaging

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011, 2011 IEEE/IFIP 19th International Conference on VLSI and System-on-Chip.

Implantable Image Sensor with Light Guide Array Plate for Bioimaging

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2010 .

Complementary Metal Oxide Semiconductor Based Multimodal Sensor for In vivo Brain Function Imaging with a Function for Simultaneous Cell Stimulation

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2010 .

Multimodal Complementary Metal–Oxide–Semiconductor Sensor Device for Imaging of Fluorescence and Electrical Potential in Deep Brain of Mouse

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2010 .

Implantable CMOS Biomedical Devices

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2009, Sensors.

Development of Complementary Metal Oxide Semiconductor Imaging Devices for Detecting Green Fluorescent Protein in the Deep Brain of a Freely Moving Mouse

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2009 .

Implantable Microimagers

Jun Ohta, Takashi Tokuda, D. C. Ng, 2008, Sensors.

Integrated In Vivo Neural Imaging and Interface CMOS Devices: Design, Packaging, and Implementation

D. C. Ng, D.C. Ng, T. Tokuda, 2008, IEEE Sensors Journal.

Optical and electrochemical dual-image CMOS sensor for on-chip biomolecular sensing applications

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2007 .

Development of a CMOS Imaging Device for Functional Imaging Inside the Mouse Brain

Masahiro Nunoshita, Jun Ohta, D. C. Ng, 2006, APCCAS 2006 - 2006 IEEE Asia Pacific Conference on Circuits and Systems.

An optical and potential dual-image CMOS sensor for bioscientific applications

Keiichiro Kagawa, Masahiro Nunoshita, Akio Yamamoto, 2006, Electronic Imaging.

A New Neural Imaging Approach Using a CMOS Imaging Device

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2006, 2006 International Conference of the IEEE Engineering in Medicine and Biology Society.

Functional verification of pulse frequency modulation-based image sensor for retinal prosthesis by in vitro electrophysiological experiments using frog retina.

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2006, Biosensors & bioelectronics.

A CMOS image sensor with optical and potential dual imaging function for on-chip bioscientific applications

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2006 .

Flexible and extendible neural interface device based on cooperative multi-chip CMOS LSI architecture

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2005 .

Pulse modulation CMOS image sensor for bio-fluorescence imaging applications

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2005, 2005 IEEE International Symposium on Circuits and Systems.

Wearable and Battery-Free Health-Monitoring Devices With Optical Power Transfer

J. Ohta, K. Sasagawa, T. Tokuda, 2021, IEEE Sensors Journal.

Optical learning neurochip with internal analog memory.

J Ohta, Y Nitta, K Kyuma, 1993, Applied optics.

Optical neurochip with learning capability

M. Takahashi, S. Tai, J. Ohta, 1992, IEEE Photonics Technology Letters.

Microchamber Device Equipped with Complementary Metal Oxide Semiconductor Optical Polarization Analyzer Chip for Micro Total Analysis System

J. Ohta, K. Sasagawa, T. Tokuda, 2009 .

Investigating the Influence of GABA Neurons on Dopamine Neurons in the Ventral Tegmental Area Using Optogenetic Techniques

Takaaki E Murakami, J. Ohta, M. Akay, 2022, International journal of molecular sciences.

Direct Neural Interface

Keiji Iramina, Marko B. Popovic, Jun Ohta, 2019, Biomechatronics.

Smart CMOS Image Sensors and Applications

Jun Ohta, J. Ohta, 2007 .

Surface operating optoelectronic devices and applications to optical parallel processing

Kazuo Kyuma, Jun Ohta, Yoshikazu Nitta, 1994 .

Multi-Region Microdialysis Imaging Platform Revealed Dorsal Raphe Nucleus Calcium Signaling and Serotonin Dynamics during Nociceptive Pain

J. Ohta, Y. Akay, K. Sasagawa, 2023, International journal of molecular sciences.

Optical Neural Networks : System And Device Technologies

Kazuo Kyuma, Jun Ohta, Keisuke Kojima, 1989, Other Conferences.

Semiconductor Electronics. A Fabrication of an Image Sensor Using SiGe-BiCMOS Technology.

J. Ohta, T. Tokuda, M. Nunoshita, 2002 .

Artificial Retina IC

Jun Ohta, J. Ohta, 2011, Bio-Medical CMOS ICs.

CMOS Imaging Devices for Biomedical Applications

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011, IEICE Trans. Commun..

Image sensor with hybrid emission filter for in vivo fluorescent imaging

J. Ohta, K. Sasagawa, M. Haruta, 2021 .

Needle-Type Imager Sensor With Band-Pass Composite Emission Filter and Parallel Fiber-Coupled Laser Excitation

Toshihiko Noda, Makito Haruta, Kiyotaka Sasagawa, 2020, IEEE Transactions on Circuits and Systems I: Regular Papers.

An implantable micro imaging device for molecular imaging in a brain of freely-moving mouse

J. Ohta, T. Noda, K. Sasagawa, 2014, 2014 IEEE International Symposium on Bioelectronics and Bioinformatics (IEEE ISBB 2014).

Functional brain fluorescence plurimetry in rat by implantable concatenated CMOS imaging system.

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2014, Biosensors & bioelectronics.

Novel implantable imaging system for enabling simultaneous multiplanar and multipoint analysis for fluorescence potentiometry in the visual cortex.

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2012, Biosensors & bioelectronics.

Functional neuroimaging by using an implantable CMOS multimodal device in a freely-moving mouse

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011, 2011 IEEE Biomedical Circuits and Systems Conference (BioCAS).

Potentiometric Dye Imaging for Pheochromocytoma and Cortical Neurons with a Novel Measurement System Using an Integrated Complementary Metal–Oxide–Semiconductor Imaging Device

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2010 .

One-chip sensing device (biomedical photonic LSI) enabled to assess hippocampal steep and gradual up-regulated proteolytic activities

Jun Ohta, Takashi Tokuda, D. C. Ng, 2008, Journal of Neuroscience Methods.

Integration of CMOS and MEMS Technologies in the Development of a Neural Imaging and Interface Device: Showcase of an Emerging Bioimaging Technique

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2007, 2007 IEEE Custom Integrated Circuits Conference.

Towards a Fully-Integrated CMOS-Based in VIVO Neural Imaging and Interface Device

D. C. Ng, J. Ohta, T. Tokuda, 2007, TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference.

CMOS-Based Neural Interface Device for Optogenetics.

J. Ohta, K. Sasagawa, T. Tokuda, 2021, Advances in experimental medicine and biology.

CMOS-Based Neural Interface Device for Optogenetics

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2015 .

Biomedical Devices based on Semiconductor Microelectronics Technologies

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2011 .

A multimodal sensing device for fluorescence imaging and electrical potential measurement of neural activities in a mouse deep brain

J. Ohta, T. Noda, K. Sasagawa, 2009, 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Flexible and Extendible Neural Stimulation Device with Distributed Multichip Architecture for Retinal Prosthesis

Keiichiro Kagawa, Masahiro Nunoshita, Akihiro Uehara, 2004 .

Ultrasmall compact CMOS imaging system for bioluminescence reporter-based live gene expression analysis

Jun Ohta, Hironari Takehara, Kiyotaka Sasagawa, 2021, Journal of biomedical optics.

Polarization Analyzing Image Sensor with Monolithically Embedded Polarizer using 65nm CMOS Process

Sanshiro Shishido, Jun Ohta, Takashi Tokuda, 2010 .

Monitoring Neuronal Dynamics in the Ventral Tegmental Area Using an Implantable Microimaging Device With Microdialysis System

Jun Ohta, Metin Akay, Yoshinori Sunaga, 2021, IEEE Access.

Engineering a data processing pipeline for an ultra-lightweight lensless fluorescence imaging device with neuronal-cluster resolution

J. Yoshimoto, J. Ohta, K. Ikeda, 2023, Artificial Life and Robotics.

Retinal Prosthesis Using Thin-Film Devices on a Transparent Substrate and Wireless Power Transfer

Toshihiko Noda, Mutsumi Kimura, Toshio Ishizaki, 2020, IEEE Transactions on Electron Devices.

Stimulator Design of Retinal Prosthesis

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2017, IEICE Trans. Electron..

Features of retinal prosthesis using suprachoroidal transretinal stimulation from an electrical circuit perspective

Jun Ohta, Yasuo Terasawa, Kenzo Shodo, 2016, 2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits).

Nanoscopic observation of bistable piezoresponse, polarization retention, and domain imaging of sub-50 nm-thick (Pb,La)(Zr,Ti)O3 thin films

J. Ohta, T. Tokuda, M. Nunoshita, 2005 .

Lensless dual-color fluorescence imaging device using hybrid filter

J. Ohta, K. Sasagawa, M. Haruta, 2021, Japanese Journal of Applied Physics.

A visual prosthesis with 100 electrodes featuring wireless signals and wireless power transmission

Jun Ohta, Akihiro Uehara, Yasuo Terasawa, 2008, IEICE Electron. Express.

Control of oscillation wavelength of a microsphere laser using a lambda/4-shifted grating

Jun Ohta, Kiyotaka Sasagawa, Masahiro Nunoshita, 2004, SPIE OPTO.

Control of microsphere lasing wavelength using /spl

J. Ohta, K. Sasagawa, M. Nunoshita, 2003 .

Nd3+-doped tellurite glass microsphere laser

Jun Ohta, Kiyotaka Sasagawa, Masahiro Nunoshita, 2003, SPIE LASE.

Nd-doped tellurite glass microsphere laser

Masahiro Nunoshita, Jun Ohta, Kiyotaka Sasagawa, 2002 .

Enhancing infrared color reproducibility through multispectral image processing using RGB and three infrared channels

J. Ohta, K. Sasagawa, M. Haruta, 2022, Optical Engineering: The Journal of SPIE.

Multispectral Near-infrared Imaging Technologies for Nonmydriatic Fundus Camera

Jun Ohta, Wang Ze, Hironari Takehara, 2019, 2019 IEEE Biomedical Circuits and Systems Conference (BioCAS).

Next-generation Fundus Camera with Full Color Image Acquisition in 0-lx Visible Light by 1.12-micron Square Pixel, 4K, 30-fps BSI CMOS Image Sensor with Advanced NIR Multi-spectral Imaging System

Jun Ohta, Takashi Tokuda, Masatoshi Ishikawa, 2018, 2018 IEEE Symposium on VLSI Technology.

Investigating the Modulation of the VTA Neurons in Nicotine-Exposed Pups during Early Maturation Using Optogenetics

J. Ohta, Y. Akay, Yoshinori Sunaga, 2023, International journal of molecular sciences.

Simultaneous CMOS-Based Imaging of Calcium Signaling of the Central Amygdala and the Dorsal Raphe Nucleus During Nociception in Freely Moving Mice

Joshua Philippe Olorocisimo, J. Ohta, K. Sasagawa, 2021, Frontiers in Neuroscience.

Pulse-domain digital image processing for vision chips employing low-voltage operation in deep-submicrometer technologies

D. C. Ng, K. Kagawa, K. Yasuoka, 2004, IEEE Journal of Selected Topics in Quantum Electronics.

A vision chip with column-level amplification of optical data signals for indoor optical wireless local area networks

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2008 .

Building a Simple Model of a Pulse-Frequency-Modulation Photosensor and Demonstration of a 128 x 128-pixel Pulse-Frequency-Modulation Image Sensor Fabricated in a Standard 0.35-$mUm Complementary Metal-Oxide Semiconductor Technology

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2004 .

Low-voltage operation of a CMOS image sensor based on pulse frequency modulation

Masahiro Nunoshita, Jun Ohta, Takashi Tokuda, 2001, IS&T/SPIE Electronic Imaging.

Fabrication of Iridium Oxide/Platinum Composite Film on Titanium Substrate for High-Performance Neurostimulation Electrodes

Jun Ohta, Takashi Tokuda, Toshihiko Noda, 2018, Coatings.

Micro-light-pipe array with an excitation attenuation filter for lensless digital enzyme-linked immunosorbent assay

Jun Ohta, Takashi Tokuda, Hironari Takehara, 2016 .

Performance improvement and functionalization of an electrode array for retinal prosthesis by iridium oxide coating and introduction of smart-wiring technology using CMOS microchips

Jun Ohta, Takashi Tokuda, Takashi Fujikado, 2014 .

CMOS-Based Multichip Networked Flexible Retinal Stimulator Designed for Image-Based Retinal Prosthesis

T. Tokuda, J. Ohta, K. Sasagawa, 2009, IEEE Transactions on Electron Devices.

A multi-microchip retinal stimulator for in vitro / in vivo experiments

Keiichiro Kagawa, Jun Ohta, Akihiro Uehara, 2007, 2007 IEEE International Symposium on Circuits and Systems.

Silicon LSI-based smart stimulators for retinal prosthesis

T. Furumiya, A. Uehara, J. Ohta, 2006, IEEE Engineering in Medicine and Biology Magazine.

Toward 1000-ch electrode array based on distributed microchip architecture for retinal prosthesis

Keiichiro Kagawa, Jun Ohta, Akihiro Uehara, 2006, 2006 IEEE International Symposium on Circuits and Systems.

Implantable AC-driven CMOS chip for distributed multichip retinal prosthesis capable of high-rate stimulation

J. Ohta, K. Sasagawa, M. Haruta, 2023, Japanese Journal of Applied Physics.

Implantable Devices and Surface Technology

J. Ohta, 2023, Journal of The Surface Finishing Society of Japan.

Performance improvement and in vivo demonstration of a sophisticated retinal stimulator using smart electrodes with built-in CMOS microchips

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2018, Japanese Journal of Applied Physics.

A vision chip integrated with illuminators

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2002 .

CMOS-based opto-electric neural interface devices for optogenetics

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2016, 2017 IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS).

CMOS-Based Optoelectronic On-Chip Neural Interface Device

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2016, IEICE Trans. Electron..

CMOS-based on-chip neural interface devices for optogenetics

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2015, 2015 IEEE Biomedical Circuits and Systems Conference (BioCAS).

An in vitro demonstration of CMOS-based optoelectronic neural interface device for optogenetics

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

A CMOS-based on-chip neural interface device equipped with integrated LED array for optogenetics

Jun Ohta, Kiyotaka Sasagawa, Toshihiko Noda, 2012, 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Polarization-Analyzing CMOS Image Sensor With Monolithically Embedded Polarizer for Microchemistry Systems

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2009, IEEE Transactions on Biomedical Circuits and Systems.

Polarization-analyzing CMOS image sensor using monolithically embedded polarizer for microchemistry systems

Jun Ohta, Takashi Tokuda, Kiyotaka Sasagawa, 2009, 2009 IEEE International Symposium on Circuits and Systems.

CMOS on-chip bio-imaging sensor with integrated micro light source array for optogenetics

Jun Ohta, Takashi Tokuda, Hiroshi Kimura, 2012 .

Ultrafast switching characteristics of a bistable surface-emitting multiple quantum well distributed Bragg reflector laser

Kazuo Kyuma, Jun Ohta, Keisuke Kojima, 1988 .

MBE Growth of Novel GeC Thin Epilayers on Si (100) Substrates by Using a Vacuum Arc Plasma Gun as C Source

J. Ohta, M. Nunoshita, M. Okinaka, 2004 .

CMOS-based optical energy harvesting circuit for biomedical and Internet of Things devices

Mohamad Sawan, Jun Ohta, Takashi Tokuda, 2018 .

An artificial retina chip made of a 128 x 128 pn-np variable-sensitivity photodetector array

J. Ohta, K. Kyuma, E. Funatsu, 1995, IEEE Photonics Technology Letters.

Implantable CMOS image sensor with incident‐angle‐selective pixels

J. Ohta, K. Sasagawa, T. Tokuda, 2019, Electronics Letters.

Pulse frequency modulation based CMOS image sensor for subretinal stimulation

Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta, 2006, IEEE Transactions on Circuits and Systems II: Express Briefs.

Wiley Encyclopedia of Electrical and Electronics Engineering: Retinal Prosthesis

J. Ohta, T. Tokuda, Y. Terasawa, 2018 .