Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272248 | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Toshiya Hikita, Kyoji Omi +11 more | 2001-08-07 |
| 6243559 | Belt fixing device | Kazumasa Hirai | 2001-06-05 |
| 6198888 | Fixing device for controlling fixing temperature in a stable manner | Kazumasa Hirai | 2001-03-06 |
| 6088558 | Method and apparatus for suppressing belt shift in an image forming apparatus | Masamichi Yamada | 2000-07-11 |
| 6078766 | Belt conveying apparatus having a self-adjustment mechanism for belt distortion and method therefor | — | 2000-06-20 |
| 6055390 | Fixing device and method for controlling fixing temperature in a stable manner | Kazumasa Hirai | 2000-04-25 |
| 5751854 | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Toshiya Hikita, Kyoji Omi +11 more | 1998-05-12 |
| 5678161 | Paper conveyer of image forming apparatus which conveys paper to a fixing device | Nobuo Iwata, Shingo Katou, Takeshi Motohashi, Tsuyoshi Deki, Takahiro Tamiya +1 more | 1997-10-14 |
| 5659628 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Michiyoshi Tachikawa, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki, Hiromi Okubo +4 more | 1997-08-19 |
| 5652803 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Michiyoshi Tachikawa, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki, Hiromi Okubo +4 more | 1997-07-29 |
| 5592275 | Image fixing device with oil application roller for image forming apparatus | Katsuhiro Echigo | 1997-01-07 |
| 5153651 | Monocolor/multicolor image forming equipment with high/low speed control | — | 1992-10-06 |