Yohtaro Umeda

SCFL static frequency divider using InAIAs/InGaAs/InP HEMTs

Hiroshi Ito, Takatomo Enoki, Yohtaro Umeda, 1995, 1995 25th European Microwave Conference.

Design and Evaluation of Tri-level Alternation-output Up-conversion Circuit with CMOS Process

Yohtaro Umeda, Takamasa Yuki, Hironori Izumi, 2013 .

A novel loss compensation technique for high-Q broad-band active inductors

Masahiro Muraguchi, Hitoshi Hayashi, Takatomo Enoki, 1996, IEEE 1996 Microwave and Millimeter-Wave Monolithic Circuits Symposium. Digest of Papers.

Highperformance 0.1μm gate enhancementmode inalas/ingaas hemt's using twostep recessed gate technology

Tetsuya Suemitsu, Yohtaro Umeda, Haruki Yokoyama, 1999 .

49-GHz Operation of an SCFL Static Frequency Divider Using High-Speed Interconnections and InP-Based HEMTs

Takatomo Enoki, K. Osafune, Yohtaro Umeda, 1999 .