Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836638 | Cleaning device and image forming apparatus provided with same | Jun Asai, Koki Watanabe, Keizo Ogara | 2004-12-28 |
| 6694122 | Cleaning device and image forming apparatus provided with same | Jun Asai, Koki Watanabe, Keizo Ogara | 2004-02-17 |