KO

Kenichi Ohhata

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HC Hitachi Device Engineering Co.: 8 patents #38 of 514Top 8%
KU Kagoshima University: 2 patents #13 of 155Top 9%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
📍 Kagoshima, JP: #21 of 469 inventorsTop 5%
Overall (All Time): #379,472 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10263634 Analog-digital converter 2019-04-16
9118337 Analog-digital converter 2015-08-25
7212744 Receiver circuit and transmitter circuit Nobuhiro Shiramizu, Fumihiko Arakawa, Takeshi Kusunoki 2007-05-01
7177612 Frequency generator and communication system using the same Takahiro Nakamura, Toru Masuda 2007-02-13
6785477 Optical receiver using variable negative-capacitance circuit Toru Masuda, Katsuyoshi Washio, Taizo Yoshikawa, Eiji Ohue 2004-08-31
6658217 Optical receiver Ryoji Takeyari, Toru Masuda, Katsuyoshi Washio, Yasushi Hatta 2003-12-02
6304357 Optical receiver Ryoji Takeyari, Toru Masuda, Katsuyoshi Washio, Yasushi Hatta 2001-10-16
6075729 High-speed static random access memory Fumihiko Arakawa, Takeshi Kusunoki, Hiroaki Nambu, Kazuo Kanetani, Kaname Yamasaki +1 more 2000-06-13
5523966 Memory cell and a memory device having reduced soft error Youji Idei, Hiroaki Nambu, Kazuo Kanetani, Toru Masuda, Kunihiko Yamaguchi +1 more 1996-06-04
5448527 Decoder and driver for use in a semiconductor memory Hiroaki Nambu, Noriyuki Homma, Kazuo Kanetani, Youji Idei, Takesi Kusunoki 1995-09-05
5402377 Semiconductor memory device having a controlled auxiliary decoder Hiroaki Nambu, Kazuo Kanetani, Youji Idei, Takeshi Kusunoki, Toru Masuda 1995-03-28
5163022 Semiconductor cell memory with current sensing Noriyuki Homma, Hiroaki Nambu, Kunihiko Yamaguchi, Tohru Nakamura, Youji Idei +3 more 1992-11-10
5086414 Semiconductor device having latch means Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Kazuo Kanetani, Youji Idei +2 more 1992-02-04