Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055400 | Multicolor image forming apparatus | Akihiro Yamashita | 2000-04-25 |
| 5963769 | Multicolor image forming apparatus | Keiji Sasaki, Noribumi Sato, Akihiro Yamashita | 1999-10-05 |