Masahiko Okumura

[Quality assurance corresponding to filmless for linear accelerator].

Masahiko Okumura, 2008, Nihon Hoshasen Gijutsu Gakkai zasshi.

Illumination optics for source-mask optimization

Tomoyuki Matsuyama, Yasushi Mizuno, Soichi Owa, 2010, Advanced Lithography.

[Accuracy of dynamic multileaf position and influence of beam profile according to change in dose monitor unit in QA plan of intensity modulated radiotherapy].

Kenji Matsumoto, Masahiko Okumura, Yoshihiko Murano, 2002, Nihon Hoshasen Gijutsu Gakkai zasshi.

Accuracy Verification of Respiratory-gated Radiotherapy that Combines the Respiration-Monitoring Device and Respiratory-gated System.

Yoshiyuki Asai, Yasumasa Nishimura, Masahiko Okumura, 2016, Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics.

FEM Stress Analyses of the Contact Stress Distributions at the Bearing Surfaces in Bolted Joints Using Hexagon Bolts With Flanges

Toshiyuki Sawa, Yukio Morozumi, Kengo Kuwaki, 2010 .

FEM Stress Analysis of Mechanical Behaviors in Bolted Joints Under External Loadings

Toshiyuki Sawa, Yukio Morozumi, Kengo Kuwaki, 2010 .

FEM Stress Analysis of the Characteristics of Bolted Joints Under External Loadings (In the Case Where Two Hollow Cylinders Are Clamped)

Toshiyuki Sawa, Yukio Morozumi, Kengo Kuwaki, 2011 .

187. Characteristics of Variable collimators using MEVATRON77DX67 (2nd report)

Masahiko Okumura, Yoshihiko Murano, Mitsugu Sumita, 1993 .

Elasto-Plastic Stress and Deformation Analyses of the Bearing Surfaces in Hollow Cylindrical Bolted Joints under External Axial Loads

Toshiyuki Sawa, Yukio Morozumi, Kengo Kuwaki, 2011 .

Quality control with water phantom system (third report) : Development of application program for analysis and arrangement of data

Masahiko Okumura, Yoshihiko Murano, Mitsugu Sumita, 1996 .

A study of a new software of water phantom system for JARP protocol

Masahiko Okumura, Yuichi Kuramata, Yoshihiko Murano, 1997 .

Guidelines for respiratory motion management in radiation therapy

Mitsuhiro Nakamura, Hiroki Shirato, Hiroshi Onishi, 2012, Journal of radiation research.

Importance of the initial volume of parotid glands in xerostomia for patients with head and neck cancers treated with IMRT.

Yasumasa Nishimura, Masahiko Okumura, Ryuta Koike, 2005, Japanese journal of clinical oncology.

Volume and dosimetric changes and initial clinical experience of a two-step adaptive intensity modulated radiation therapy (IMRT) scheme for head and neck cancer.

Yasumasa Nishimura, Masahiko Okumura, Y. Nishimura, 2013, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

Treatment outcomes and dose-volume histogram analysis of simultaneous integrated boost method for malignant gliomas using intensity-modulated radiotherapy

Kaoru Okajima, Yasumasa Nishimura, Masahiko Okumura, 2008, International Journal of Clinical Oncology.