Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860052 | Image heating apparatus | Yasumasa Ohtsuka, Hideyuki Yano, Manabu Takano, Mahito Yoshioka, Osamu Mukataka +2 more | 1999-01-12 |
| 5852763 | Image heating apparatus | Kouichi Okuda, Yasumasa Ohtsuka, Akira Hayakawa, Manabu Takano, Daizo Fukuzawa +1 more | 1998-12-22 |
| 5669039 | Image heating apparatus capable of varying feeding intervals between recording materials | Yasumasa Ohtsuka, Kouichi Okuda, Akira Hayakawa, Daizo Fukuzawa | 1997-09-16 |
| 5592276 | Image fixing device with heater responsive to thermal stress | Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Akira Hayakawa, Daizo Fukuzawa | 1997-01-07 |
| 5552582 | Image heating apparatus | Atsuyoshi Abe, Yasumasa Ohtsuka, Manabu Takano, Daizo Fukuzawa, Kenichi Ogawa | 1996-09-03 |
| 5552874 | Image fixing apparatus | Yasumasa Ohtsuka, Akira Hayakawa, Manabu Takano, Daizo Fukuzawa, Atsuyoshi Abe | 1996-09-03 |
| 5534987 | Fixing apparatus with variable fixing temperature | Yasumasa Ohtsuka, Shunji Nakamura, Takashi Soya, Kouichi Okuda, Akira Hayakawa +4 more | 1996-07-09 |
| 5471288 | Image heating apparatus and heating film | Yasumasa Ohtsuka, Hideyuki Hatakeyama | 1995-11-28 |
| 5464964 | Image heating apparatus changing set temperature in accordance with temperature of heater | Kouichi Okuda, Shunji Nakamura, Toshio Yoshimoto, Yasumasa Ohtsuka, Daizo Fukuzawa +2 more | 1995-11-07 |
| 5444521 | Image fixing device capable of controlling heating overshoot | Shunji Nakamura, Yasumasa Ohtsuka, Kouichi Okuda, Eihiro Sakaki, Akira Hayakawa +1 more | 1995-08-22 |
| 5420679 | Elastic roller and fixing apparatus using same | Masahiro Goto, Yasushi Sato, Shunji Nakamura, Junji Araya, Tetsuo Saito +7 more | 1995-05-30 |
| 5420671 | Charger and image forming apparatus with same | Hiroki Kisu, Toshio Miyamoto, Junji Araya, Shunji Nakamura, Masanobu Saito | 1995-05-30 |
| 5365314 | Image heating apparatus capable of changing duty ratio | Kouichi Okuda, Shunji Nakamura, Yasumasa Ohtsuka, Akira Hayakawa, Daizo Fukuzawa | 1994-11-15 |
| 5293202 | Image fixing apparatus | Nobukazu Adachi, Yuzo Isoda, Toshio Miyamoto | 1994-03-08 |
| 5280155 | Image heater having film guide with projections | Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Akira Hayakawa, Daizo Fukuzawa | 1994-01-18 |
| 5132738 | Image forming apparatus with cleaning mechanism for charging electrode | Shunji Nakamura, Hiroki Kisu, Masanobu Saito, Junji Araya, Toshio Miyamoto | 1992-07-21 |
| 5126913 | Charging device with contactable charging means and an image forming apparatus having the charging means and a detachable process unit | Junji Araya, Masanobu Saito, Hiroki Kisu, Shunji Nakamura, Noribumi Koitabashi +1 more | 1992-06-30 |