Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017383 | Solution temperature control device in cell observation chamber | Kazuyuki Matsumura, Takesi Mitsunaga, Shiro Kanegasaki | 2011-09-13 |
| 6757390 | Wristwatch type wireless telephone | Takashi Ito, Yoshinori Bito, Katsunobu Iguchi | 2004-06-29 |
| 6528725 | Portable electronic device | Katsunobu Iguchi, Takashi Ito | 2003-03-04 |
| 5899597 | Toner cartridge with an external reflector for a developer apparatus capable of optically end-detecting | Tadashi Shinohara, Eiichi Sasaki, Kouichi Irie | 1999-05-04 |
| 5671465 | Image forming apparatus having a revolver type developing device | Noriyuki Kimura, Minoru Suzuki, Kouji Sakamoto, Tsuyoshi Deki, Hiroyuki Matsushiro +3 more | 1997-09-23 |
| 5621221 | Toner end detection device and method | Tadashi Shinohara, Eiichi Sasaki, Kouichi Irie | 1997-04-15 |
| 5608770 | Frequency converter outputting a clock signal having a stable and accurate frequency | Eiichi Sasaki | 1997-03-04 |
| 5333211 | Image processing apparatus for preventing occurrence of moire in a reconstructed image | Yoshimichi Kanda, Hajime Ichimura, Shinji Yamakawa, Midori Aida, Ouji Maruyama +5 more | 1994-07-26 |
| 4975749 | Automatic document feeder | Kouichi Tsunoda, Tadao Koike, Hiroshi Takahashi | 1990-12-04 |