Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608509 | Process cartridge with blade member having a flat-surface side and an angled-surface side | Hiroyuki Shirai, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1997-03-04 |