Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471288 | Image heating apparatus and heating film | Yohji Tomoyuki, Hideyuki Hatakeyama | 1995-11-28 |
| 5464964 | Image heating apparatus changing set temperature in accordance with temperature of heater | Kouichi Okuda, Shunji Nakamura, Toshio Yoshimoto, Yohji Tomoyuki, Daizo Fukuzawa +2 more | 1995-11-07 |
| 5444521 | Image fixing device capable of controlling heating overshoot | Yohji Tomoyuki, Shunji Nakamura, Kouichi Okuda, Eihiro Sakaki, Akira Hayakawa +1 more | 1995-08-22 |
| 5365314 | Image heating apparatus capable of changing duty ratio | Kouichi Okuda, Shunji Nakamura, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa | 1994-11-15 |
| 5331385 | Fixing rotatable member having conductive parting layer and fixing apparatus using same | Akihiko Takeuchi, Koichi Tanigawa, Hideo Nanataki | 1994-07-19 |
| 5280155 | Image heater having film guide with projections | Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa | 1994-01-18 |
| 5253022 | Image forming apparatus | Akihiko Takeuchi, Takayasu Yuminamochi, Hiroto Hasegawa, Koichi Tanigawa, Hiroki Kisu | 1993-10-12 |
| 5253024 | Fixing apparatus with rectifier element | Koichi Okuda, Yoji Tomoyuki, Toshio Miyamoto, Junji Araya, Yukihiro Ohzeki +7 more | 1993-10-12 |
| 5235386 | Charging device having charging member, process cartridge and image forming apparatus | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Takayasu Yuminamochi +3 more | 1993-08-10 |
| 5179397 | Image forming apparatus with constant voltage and constant current control | Yukihiro Ohzeki, Tatsunori Ishiyama, Koichi Hiroshima, Junji Araya, Yasushi Sato +5 more | 1993-01-12 |
| 5177549 | Image forming apparatus supplied with controllable bias voltage | Koichi Tanigawa, Akihiko Takeuchi, Hideo Nanataki, Hideyuki Yano, Takayasu Yuminamochi +6 more | 1993-01-05 |
| 5153654 | Image forming apparatus having transfer member for carrying transfer material | Takayasu Yuminamochi, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Hiroto Hasegawa +2 more | 1992-10-06 |
| 5138390 | Cleaning sheet for fixating rotational member and image forming apparatus having fixating rotational member | Toshiyuki Miyabayashi, Masaaki Takahashi, Kazuo Kishino, Yoji Tomoyuki | 1992-08-11 |
| 4965747 | Image forming apparatus | Hiroto Hasegawa, Koichi Tanigawa | 1990-10-23 |
| 4725854 | Laser emitting apparatus and laser beam printer using same | Masaharu Ohkubo | 1988-02-16 |
| 4719489 | Recording apparatus having material feed mode dependent fixing control | Masaharu Ohkubo, Jun Asai, Yoshihiro Murasawa | 1988-01-12 |
| 4707748 | Image recording apparatus | Masaharu Ohkubo | 1987-11-17 |
| 4682876 | Information recording apparatus | Masaharu Ohkubo | 1987-07-28 |
| 4626096 | Image forming apparatus for forming a visual image in accordance with image signals | Jun Asai, Yoshihiro Murasawa, Hiroshi Sasame, Masaharu Ohkubo | 1986-12-02 |
| 4563694 | Image information recording apparatus | Masaharu Ohkubo, Yoshihiro Murasawa, Jun Asai | 1986-01-07 |