Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6324369 | Developing apparatus, process cartridge and image forming apparatus | Seiji Yamaguchi | 2001-11-27 |
| 6115575 | Developing apparatus | Kazuhisa Kemmochi, Kenji Fujishima, Yasunari Watanabe | 2000-09-05 |
| 6026265 | Toner conveying roll and developing apparatus | Tetsuya Kobayashi, Yoshiro Saito | 2000-02-15 |
| 5909603 | Image forming apparatus having detection unit for detecting presence/absence of process cartridge | Jun Suzuki | 1999-06-01 |
| 5895151 | Developing apparatus having regulating blade | Kazuhisa Kemmochi, Takashi Shibuya | 1999-04-20 |
| 5893013 | Developer regulating member and developing apparatus | Kazuhisa Kemmochi, Tetsuya Kobayashi, Takashi Shibuya, Yoshiro Saito, Arihiro Yamamoto +2 more | 1999-04-06 |
| 5822646 | Image forming apparatus | Jun Suzuki | 1998-10-13 |
| 5682574 | Developing apparatus having reciprocating cleaning device for photodetector | Haruhisa Oshida, Keiji Okano, Koji Takahashi, Yasushi Shimizu, Akira Domon | 1997-10-28 |
| 5649264 | Developing unit having optical detection of a residual quantity of developer in a developer container | Akira Domon, Keiji Okano, Yasushi Shimizu | 1997-07-15 |
| 5589918 | Process cartridge, assembling method therefor and electrophotographic apparatus | Haruhisa Oshida, Keiji Okano, Koji Takahashi, Yasushi Shimizu, Akira Domon | 1996-12-31 |
| 5311264 | Developing apparatus for developing electrostatic latent image using one component developer | — | 1994-05-10 |
| 5287150 | Developing device including rotatable resilient roller for supplying developer to and removing developer from a developer bearing member | Yoshiaki Kobayashi | 1994-02-15 |
| 5241155 | Image fixing apparatus having linear heat generating layer with variable resistance distribution | Shokyo Koh, Shigeo Kimura, Atsushi Hosoi, Kensaku Kusaka, Hiroyuki Adachi | 1993-08-31 |
| 5162634 | Image fixing apparatus | Kensaku Kusaka, Yoshihiko Suzuki, Shigeo Kimura, Atsushi Hosoi, Hiroyuki Adachi +3 more | 1992-11-10 |
| 5095335 | Copier with retractable charging unit to prevent damage to drum when removing process cartridge | Kazushi Watanabe, Takashi Hibi, Norihisa Hoshika, Takeo Shoji | 1992-03-10 |
| 5086728 | Developing apparatus | — | 1992-02-11 |
| 5083168 | Fixing device and fixing heater for use in the same | Kensaku Kusaka, Yoshihiko Suzuki, Shigeo Kimura, Atsushi Hosoi, Hiroyuki Adachi | 1992-01-21 |
| 5043763 | Image forming apparatus having a heater in contact with a film to fix a toner image | Shokyo Koh, Yoshihiko Suzuki, Shigeo Kimura, Atsushi Hosoi, Kensaku Kusaka +1 more | 1991-08-27 |
| 4887131 | Developing apparatus using magnetic particles and toner particles | Hatsuo Tajima, Norihisa Hoshika, Hiroshi Tajika, Atsushi Hosoi | 1989-12-12 |
| 4873551 | Developing apparatus using magnetic carrier under AC field | Hatsuo Tajima, Atsushi Hosoi, Norihisa Hoshika, Hiroshi Tajika | 1989-10-10 |