Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836638 | Cleaning device and image forming apparatus provided with same | Kazuhumi Muto, Koki Watanabe, Keizo Ogara | 2004-12-28 |
| 6822767 | Image processing method and image processing apparatus | Ryuji Kawano, Yuji Kamiya | 2004-11-23 |
| 6801747 | Cleaning apparatus and image forming apparatus | Keizo Ogara, Koki Watanabe | 2004-10-05 |
| 6694122 | Cleaning device and image forming apparatus provided with same | Kazuhumi Muto, Koki Watanabe, Keizo Ogara | 2004-02-17 |