Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999191 | Administrating system of image forming apparatus and image forming apparatus | Kei Yamada, Tetsuo Kimoto, Tomoya Yoshida, Kazuo Izumi, Kunio Shijyo | 2006-02-14 |
| 5911092 | Image forming apparatus | Masaru Ushio, Junji Sato, Yoshinao Kitahara | 1999-06-08 |
| 5086261 | Motor speed control device for use in an image forming apparatus | Satoshi Sakata, Kazuo Sato, Yuichi Gotoh, Mitsuo Azumai | 1992-02-04 |