Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105739 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Katsumi Nukada | 2012-01-31 |
| 8055153 | Image forming apparatus and process cartridge | Katsumi Nukada, Wataru Yamada, Takayuki Yamashita | 2011-11-08 |