Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879794 | Image forming apparatus | Ayako Yashima, Yukimasa Watanabe, Keisuke Oba, Masashi Fujishima, Takashi Nagashima | 2005-04-12 |
| 6858368 | Electrophotographic photoreceptor and image forming device | Yukimasa Watanabe, Ayako Yashima | 2005-02-22 |