Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926672 | Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum | Atsushi Nishibata, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1999-07-20 |
| 5602623 | Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum | Atsushi Nishibata, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1997-02-11 |
| 5223938 | Image forming apparatus and process cartridge therefor | Shigeyoshi Onoda, Isao Ikemoto, Shinji Kanemitsu, Hajime Kitajima | 1993-06-29 |
| 5026276 | Image fixing apparatus using a detachable film | Hiromitsu Hirabayashi, Kensaku Kusaka | 1991-06-25 |
| 4972227 | Process kit and positioning mechanism for the process kit | Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi, Fumio Nishino | 1990-11-20 |
| 4910551 | Portable image forming apparatus | Shigeyoshi Onoda, Shinji Kanemitsu, Isao Ikemoto, Hajime Kitajima | 1990-03-20 |
| 4891665 | Forward and reverse rotation mechanism | — | 1990-01-02 |
| 4875075 | Image reading device and image forming apparatus having same | Sumitoshi Sootome, Isao Ikemoto, Shinji Kanemitsu, Hajime Kitajima, Shigeyoshi Onoda | 1989-10-17 |
| 4809033 | Image forming apparatus and process cartridge therefor | Isao Ikemoto, Shinji Kanemitsu, Hajime Kitajima, Shigeyoshi Onoda | 1989-02-28 |
| 4806977 | Image forming apparatus with disconnectable carriage drive | Shigeyoshi Onoda, Isao Ikemoto, Shinji Kanemitsu, Hajime Kitajima | 1989-02-21 |
| 4786977 | Lightweight recording apparatus using operative portions for structural support | Tadayuki Tsuda, Shigeyoshi Onoda, Isao Ikemoto, Shinji Kanemitsu, Hajime Kitajima | 1988-11-22 |
| 4714337 | Safety means for process kit | Fumio Nishino, Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi | 1987-12-22 |
| 4705384 | Image forming apparatus with locking means | Shigeyoshi Onoda, Shinji Kanemitsu | 1987-11-10 |
| 4627701 | Corona discharger system | Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi, Fumio Nishino | 1986-12-09 |
| 4621919 | Metal drum and image holding member using the same | Hiroshi Nitanda, Taketoshi Yokoyama, Jun Tamai, Toru Okumura | 1986-11-11 |
| 4615608 | Developing apparatus | — | 1986-10-07 |
| 4598993 | Process unit and image formation apparatus provided with the process unit | Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi | 1986-07-08 |
| 4591258 | Safety means for process kit | Fumio Nishino, Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi | 1986-05-27 |
| 4575221 | Process kit and an image forming apparatus using the same | Shigeyoshi Onoda, Akihiro Nomura, Shinji Kanemitsu, Mototada Toriumi, Fumio Nishino | 1986-03-11 |
| 4551000 | Process kit and an image forming apparatus using the same | Shinji Kanemitsu, Shigeyoshi Onoda, Fumio Nishino, Akihiro Nomura, Hiroshi Nitanda | 1985-11-05 |
| 4470689 | Image forming apparatus and process unit | Akihiro Nomura, Shigeyoshi Onoda, Fumio Nishino, Shinji Kanemitsu, Hiroshi Nitanda | 1984-09-11 |
| 4458796 | Normal and reverse rotating mechanism | Hiroshi Nitanda | 1984-07-10 |