Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025859 | Electrostatic printer having an array of optical modulating grating valves | Hideo Yamasa, Yoichi Yamamoto | 2000-02-15 |
| 5895152 | Fixing device and fixing temperature control method | Kazumi Irie, Yoritaka Tsubaki, Masao Yamamoto, Hideo Matsuda | 1999-04-20 |
| 5845185 | Image forming apparatus | Hidekazu Sakagami, Hideo Matsuda, Osamu Fujimoto, Kazuyuki Ohnishi | 1998-12-01 |
| 4970543 | Circulating type of automatic document feeding apparatus and duplex copying apparatus provided with said apparatus | Fukusaburo Ito, Tadaaki Kawano, Kazuo Maeyama, Katsuyoshi Fujiwara, Osamu Tashiro +2 more | 1990-11-13 |