Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023881 | Sheet finisher and image forming system provided therewith | Masayuki Watanabe, Eiji Sugimoto, Takumi Shirakuma | 2011-09-20 |
| 7869065 | Image forming apparatus | Eiji Sugimoto | 2011-01-11 |