Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6311026 | Process cartridge and image forming apparatus including means for detecting mounting of the process cartridge to main body of image forming apparatus, and process cartridge and developer cartridge including positioning portion | Hideshi Kawaguchi | 2001-10-30 |
| 6185390 | Electrophotographic image forming apparatus having process cartridge with particular arrangement of electrical contacts | Minoru Sato, Shinya Noda | 2001-02-06 |
| 6101348 | Developing unit, process cartridge and electrophotographic image forming apparatus | Fumito Nonaka, Isao Ikemoto, Yoshiyuki Batori | 2000-08-08 |
| 5809374 | Process cartridge including a seal member formed from a liquid-foam material | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Nobuharu Hoshi | 1998-09-15 |
| 5740499 | Image forming apparatus including process cartridge having elastic sealing members interposed between frames | Isao Ikemoto, Nobuharu Hoshi | 1998-04-14 |
| 5708913 | Coating apparatus, process cartridge and electrophotographic image forming apparatus | Masateru Yasuhara, Tadayuki Tsuda, Hiroshi Koyama | 1998-01-13 |
| 5682587 | Developing apparatus using hollow magnet roller | Kazuyoshi Odagawa, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto | 1997-10-28 |
| 5585889 | Process cartridge and image forming apparatus | Kazuo Shishido, Hiroo Kobayashi, Hironobu Isobe, Minoru Sato, Shigeo Miyabe +1 more | 1996-12-17 |
| 5485249 | Process cartridge frame, process cartridge and image forming apparatus | Kazuyoshi Odagawa, Shinichi Sasaki | 1996-01-16 |
| 5452056 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Hironobu Isobe, Kazuo Shishido, Minoru Sato +2 more | 1995-09-19 |
| 5331373 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Hironobu Isobe, Kazuo Shishido, Minoru Sato +2 more | 1994-07-19 |
| 5230503 | Sheet feeding apparatus with adjustable urging members | Jun Saito, Toshiyuki Asakawa, Toru Kameyama | 1993-07-27 |
| 5167409 | Apparatus and method for aligning a sheet against a side registrating member using plural alignment devices | — | 1992-12-01 |
| 5162857 | Sheet conveyer having a sheet aligner | Toru Kameyama, Takahiro Azeta, Harukazu Sekiya, Toshifumi Moritani, Kenji Baba +1 more | 1992-11-10 |
| 4953846 | Apparatus for conveying a sheet obliquely | Takahiro Azeta, Toru Kameyama, Harukazu Sekiya, Toshifumi Moritani, Kenji Baba +3 more | 1990-09-04 |