KI

Keiji Ishizuka

Canon: 13 patents #5,080 of 19,416Top 30%
Overall (All Time): #389,972 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6313767 Decoding apparatus and method Tetsuya Tateno, Koji Aoki 2001-11-06
6026197 Coding method and apparatus therefor Hidefumi Ohsawa 2000-02-15
5848194 Coding/decoding apparatus and coding/decoding method Tsutomu Ando, Koji Aoki, Susumu Igarashi 1998-12-08
5784497 Arithmetic encoding with carry over processing Atsushi Furuya 1998-07-21
5665630 Device separation structure and semiconductor device improved in wiring structure Yuzo Kataoka, Toshihiko Ichise, Hidekazu Takahashi, Hayao Ohzu 1997-09-09
5655032 Coding method and apparatus therefor Hidefumi Ohsawa 1997-08-05
5514989 Semiconductor light emitting element driver circuit Toshiaki Sato, Toshihiko Ichise, Shunichi Morita, Shunichi Kaizu 1996-05-07
5410247 Circuit device having a test function for checking circuit operation 1995-04-25
5364802 Method of making a semiconductor device with buried electrode Yuzo Kataoka, Toshihiko Ichise, Tetsuo Asaba 1994-11-15
5306934 Semiconductor device with buried electrode Yuzo Kataoka, Toshihiko Ichise, Tetsuo Asaba 1994-04-26
5262873 Image signal correcting in image data processing requiring only small memory capacity 1993-11-16
5200639 Semiconductor device with isolating groove containing single crystalline aluminum wiring Yuzo Kataoka, Toshihiko Ichise, Hidekazu Takahashi, Hayao Ohzu 1993-04-06
4714892 Differential phase shift keying demodulator 1987-12-22