Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517227 | Image forming apparatus for automatically setting image formation conditions | Tetsuya Atsumi, Hisashi Fukushima | 1996-05-14 |
| 5503904 | Invisible information recorded medium | Kazuo Yoshinaga, Hiroshi Tanioka, Shinobu Arimoto, Toshio Hayashi, Takehiko Nakai +2 more | 1996-04-02 |
| 5481334 | Image processing apparatus having means for detecting non-visible light, and image processing method therefor | Shinobu Arimoto, Katsuichi Shimizu, Yutaka Komiya, Kazuo Yoshinaga, Toshio Hayashi +3 more | 1996-01-02 |
| 5481340 | Image forming apparatus | Yoshinori Nagao, Koji Amemiya, Masami Izumizaki | 1996-01-02 |
| 5471281 | Image reading apparatus and copying apparatus having means for radiating visible and non-visible light, image processing apparatus having means for discriminating a specific orginal and image processing method therefor | Toshio Hayashi, Shinobu Arimoto, Kazuo Yoshinaga, Takehiko Nakai, Tsutomu Utagawa +1 more | 1995-11-28 |
| 5414531 | Image forming control based on a stored operation condition | Koji Amemiya, Akio Suzuki, Tatsuo Takeuchi, Hisashi Fukushima, Takashi Hasegawa +3 more | 1995-05-09 |
| 5383055 | Image forming apparatus including means for setting image forming condition in accordance with a judgement result | Hisashi Fukushima, Tetsuya Atsumi | 1995-01-17 |
| 5376956 | Image forming apparatus | Yoshinori Nagao, Koji Amemiya, Masami Izumizaki | 1994-12-27 |
| 5327209 | Color image forming apparatus | Hisashi Fukushima, Haruhiko Moriguchi, Tetsuya Atsumi | 1994-07-05 |
| 5319433 | Electrophotographing apparatus for forming color image | Hisashi Fukushima, Tetsuya Atsumi | 1994-06-07 |
| 5296903 | Image forming apparatus having control based on detected toner charge and transfer efficiency | Akio Suzuki, Hisashi Fukushima, Haruhiko Moriguchi, Yasushi Miura | 1994-03-22 |
| 5294959 | Image forming apparatus with image density detection means for controlling image forming conditions | Yoshinori Nagao, Hisashi Fukushima, Masami Izumizaki | 1994-03-15 |
| 5262833 | Image forming apparatus and method | Hisashi Fukushima, Haruhiko Moriguchi | 1993-11-16 |
| 5258783 | Image processing method and apparatus with gamma-correction control | Koji Amemiya, Tatsuo Takeuchi, Takao Ogata | 1993-11-02 |
| 5253018 | Toner image density detecting mechanism for image forming apparatus | Tatsuo Takeuchi, Koji Amemiya, Takao Ogata | 1993-10-12 |
| 5162860 | Color image forming apparatus controlling glossiness of an image | Yasuo Nami, Hisashi Fukushima, Haruhiko Moriguchi, Takashi Kawai, Takahiro Kubo | 1992-11-10 |