Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe +1 more | 1997-10-28 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +9 more | 1997-04-22 |
| 5608509 | Process cartridge with blade member having a flat-surface side and an angled-surface side | Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +4 more | 1997-03-04 |