Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546131 | Image processing method and apparatus for achieving tone reproduction suited to the image | Yoshito Mizoguchi, Satoru Fukushima | 2003-04-08 |
| 5714235 | Ink-jet recording method | Tatsuo Takeuchi, Yoshihiro Kuroyama, Teruhisa Shimada | 1998-02-03 |
| 5615311 | Image processing apparatus | Hisashi Fukushima | 1997-03-25 |
| 5485191 | Image forming apparatus having tone correcting function | — | 1996-01-16 |
| 5467196 | Image forming apparatus which forms halftone images mixed with characters and fine lines | Satoru Fukushima, Yoshito Mizoguchi | 1995-11-14 |
| 5365324 | Multi-image forming apparatus | Yoshinori Nagao | 1994-11-15 |
| 5313308 | Image forming apparatus which changes its tone reproducing property in accordance with ambient conditions | Takashi Hasegawa | 1994-05-17 |
| 5245419 | Color image forming apparatus and method and apparatus for processing color image | — | 1993-09-14 |
| 5153609 | Image forming apparatus | Toshinori Ando, Yukio Nagase, Kazuhisa Kemmochi | 1992-10-06 |