Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298984 | Image forming apparatus and developer control method | Shuji Tanaka, Toshikazu Tsumita, Toshiaki Tsuboi | 2007-11-20 |
| 7269364 | Image forming apparatus and treatment thereof | Shuji Tanaka | 2007-09-11 |
| 7070899 | Electrostatic latent image developer, image forming method, and image forming apparatus | Kazuhiko Yanagida, Nobumasa Furuya | 2006-07-04 |