Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376087 | Developing agent carrier, developing unit, and image forming apparatus | Yukihiro Ozeki | 2002-04-23 |
| 6345166 | Developer scraping member and developing apparatus | Yukihiro Ohzeki, Makoto Nonomura, Manami Sekiguchi | 2002-02-05 |
| 6229980 | Developing apparatus featuring first and second developer chambers and guide member for directing stripped-off developer | Kenya Ogawa, Yukihiro Ozeki, Takeshi Yamamoto | 2001-05-08 |
| 6185387 | Image forming apparatus | Yukihiro Ohzeki | 2001-02-06 |
| 5970279 | Image forming apparatus | Yukihiro Ohzeki | 1999-10-19 |
| 5809379 | Electrophotography having photosensitive member with charge blocking overlayer | Hideyuki Yano, Yasushi Sato, Junji Araya, Yukihiro Ohzeki, Harumi Kugoh +2 more | 1998-09-15 |
| 5734390 | Image forming apparatus | Noboru Koumura, Yasushi Sato, Yukihide Ushio, Izumi Narita, Yukihiro Ohzeki +5 more | 1998-03-31 |
| 5729785 | Image forming apparatus with ink jet and electrophotographic image forming means | Yasushi Sato, Yukihiro Ohzeki, Kenya Ogawa, Yasunori Chigono | 1998-03-17 |
| 5587773 | Electrophotographic apparatus for performing image exposure and development simultaneously | Hideyuki Yano, Junji Araya, Yukihiro Ozeki, Harumi Kugo, Tadashi Furuya +1 more | 1996-12-24 |
| 5570166 | Developing apparatus that applies voltage to developer layer thickness regulating member | Yukihiro Ohzeki, Masaki Ojima, Kenya Ogawa | 1996-10-29 |
| 5570451 | Image forming apparatus including plural image forming means and plural recording medium transport passages | Yasushi Satoh, Yukihiro Ohzeki, Yasunori Chigono | 1996-10-29 |
| 5561500 | Image forming apparatus with plural types of image forming devices | Yukihiro Ohzeki, Kenya Ogawa | 1996-10-01 |
| 5534982 | Developing apparatus | Motoo Urawa, Tsutomu Kukimoto, Satoshi Yoshida | 1996-07-09 |
| 5519472 | Developing apparatus using elastic blade | Masaki Ojima, Masaharu Ohkubo, Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki +6 more | 1996-05-21 |
| 5436709 | Fixing device which controls an energizing condition of a heater after fixing operation | Yukihiro Ozeki | 1995-07-25 |
| 5311268 | Fixing device using fuzzy inference | Yukihiro Ohzeki | 1994-05-10 |