Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123853 | Image forming device operatively configurable in accordance with aural conditions in the vicinity thereof | — | 2006-10-17 |
| 4945384 | Scanning-member-stop positioning device for the image forming apparatus | Syuji Yamada | 1990-07-31 |
| 4766467 | Electrostatic copying apparatus and auxiliary unit capable of being detachably mounted thereon | Shuji Yamada, Tetsuya Matsushita | 1988-08-23 |