Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8744498 | Cordless communication system | Keiichi Matsunaga | 2014-06-03 |
| 7871140 | Image recording apparatus | Takashi Ohama, Kazuhito Ishida | 2011-01-18 |
| 7784893 | Image-forming device | Kazuhito Ishida, Teruo Deshimaru, Tetsuo Asada, Takashi Ohama | 2010-08-31 |
| 7780259 | Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof | Kazuhiro Hayamizu, Masatoshi Yamada, Koji Akagi | 2010-08-24 |
| 7712891 | Image-forming device | Kazuhito Ishida, Teruo Deshimaru, Tetsuo Asada, Takashi Ohama | 2010-05-11 |
| 7360858 | Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof | Kazuhiro Hayamizu, Masatoshi Yamada, Koji Akagi | 2008-04-22 |
| 6583894 | Power supply device and method utilizable in electronic apparatus | — | 2003-06-24 |
| 6151460 | Image recording device having a developing bias voltage output circuit | — | 2000-11-21 |
| 5930560 | Image forming apparatus | — | 1999-07-27 |
| 5898233 | Controlling apparatus for loads | — | 1999-04-27 |
| 5263141 | Microprocessor with an exclusive address terminal for selecting at least one part of a peripheral device | — | 1993-11-16 |
| 5122830 | Image recording apparatus having front/rear sheet face sensor | Kanae Imaeda, Satoru Kuwabara, Yuji Asano, Hisanori Okamoto, Masatoshi Yoshiyama +3 more | 1992-06-16 |
| 5047797 | Image recording apparatus capable of adjusting a density of an image reproduced on a recording medium | Kenji Sakakibara, Michitoshi Akao, Tokunori Katoh | 1991-09-10 |
| 4984011 | Image recording apparatus | Kenji Sakakibara, Michitoshi Akao, Tokunori Katoh | 1991-01-08 |
| 4937613 | Exposure unit in image recording apparatus | Kenji Sakakibara | 1990-06-26 |
| 4922288 | Image recording apparatus | Michitoshi Akao, Kenji Sakakibara, Tokunori Katoh | 1990-05-01 |
| 4920375 | Imaging device | Michitoshi Akao, Kenji Sakakibara, Tokunori Katoh, Takakuni Sonoda, Makoto Suzuki | 1990-04-24 |
| 4912503 | Image forming machine | Kenji Sakakibara, Yoichi Horaguchi | 1990-03-27 |
| 4905036 | Image forming process and system, including heating step or device for increased density of images | Yuji Asano, Jun Sakai, Yumio Matsumoto, Osamu Takagi, Akira Sago +3 more | 1990-02-27 |
| 4868602 | Imaging device | Michitoshi Akao, Kenji Sakakibara, Tokunori Katoh | 1989-09-19 |
| 4864356 | Exposure device for image recording apparatus | Yuji Asano, Masashi Ueda, Shunichi Higashiyama, Kiyoharu Hayakawa, Yumio Matsumoto +3 more | 1989-09-05 |
| 4855791 | Sheet roll cartridge and method for loading the same to image recording apparatus | — | 1989-08-08 |