Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782235 | Image formation apparatus and developer collection vessel used therewith | Masato Serizawa, Katsumi Harumoto | 2004-08-24 |
| 6141522 | Image forming apparatus using an endless belt | Ryouichi Tsuruoka, Norio Ogawahara, Iwao Kuriki, Takeshi Fukuda, Tsuyoshi Doubata | 2000-10-31 |
| 6064849 | Image forming apparatus for high quality color images | Shin Honda, Ryouichi Tsuruoka, Norio Ogawahara | 2000-05-16 |
| 5742888 | Transfer apparatus for an image forming apparatus | Takashi Fuchiwaki, Osamu Handa | 1998-04-21 |
| 5368289 | Recording sheet conveying device | Yoshinari Iwaki, Nobuo Hyakutake, Jun Takagi, Noriyoshi Kono, Kunimasa Aoshima +2 more | 1994-11-29 |