Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636718 | Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating roller | Jun Yura, Takashi Fujita, Atsushi Nakafuji | 2003-10-21 |
| 6631253 | Fixing device and image forming apparatus using the same | Atsushi Nakafuji, Takashi Fujita, Jun Yura | 2003-10-07 |
| 6559421 | Image forming apparatus and fixing device therefor | Jun Yura, Takashi Fujita, Atsushi Nakafuji | 2003-05-06 |
| 6542705 | Electrophotographic heating apparatus, system, and method | Takashi Fujita, Atsushi Nakafuji, Kazuhito Kishi, Eriko Chiba | 2003-04-01 |
| 5420679 | Elastic roller and fixing apparatus using same | Masahiro Goto, Yasushi Sato, Shunji Nakamura, Junji Araya, Tetsuo Saito +7 more | 1995-05-30 |
| 5305177 | Charging device and image forming apparatus | Fumitaka Aoki, Yasushi Sato, Norio Hashimoto, Tetsuo Saito, Kenji Nagata +1 more | 1994-04-19 |
| 5177549 | Image forming apparatus supplied with controllable bias voltage | Yasumasa Ohtsuka, Koichi Tanigawa, Akihiko Takeuchi, Hideo Nanataki, Hideyuki Yano +6 more | 1993-01-05 |