Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881349 | Image induction heating apparatus | Hiroki Kisu, Atsuyoshi Abe, Tetsuya Sano | 1999-03-09 |
| 5438398 | Image forming apparatus with intermediate transfer member | Koichi Tanigawa, Kimio Nakahata, Akihiko Takeuchi, Kazuaki Ono | 1995-08-01 |
| 5331385 | Fixing rotatable member having conductive parting layer and fixing apparatus using same | Yasumasa Ohtsuka, Akihiko Takeuchi, Koichi Tanigawa | 1994-07-19 |
| 5235386 | Charging device having charging member, process cartridge and image forming apparatus | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Ohtsuka +3 more | 1993-08-10 |
| 5202729 | Developing apparatus having a coated developing roller | Toshio Miyamoto, Yasushi Sato, Akihiko Takeuchi, Hiroshi Sasame, Katsuhiko Nishimura +4 more | 1993-04-13 |
| 5177549 | Image forming apparatus supplied with controllable bias voltage | Yasumasa Ohtsuka, Koichi Tanigawa, Akihiko Takeuchi, 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, Yasumasa Ohtsuka +2 more | 1992-10-06 |