Issued Patents 1997
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689774 | Process cartridge and image forming apparatus using such a process cartridge | Kazuo Shishido, Shinichi Sasaki, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami | 1997-11-18 |
| 5682587 | Developing apparatus using hollow magnet roller | Akira Higeta, Kazuyoshi Odagawa, Tadayuki Tsuda, Shinichi Sasaki | 1997-10-28 |
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Kazushi Watanabe, Hiroyuki Shirai +1 more | 1997-10-28 |
| 5669042 | Image forming system having means to support at least one component of a process cartridge | Kazunori Kobayashi, Kazumi Sekine, Tadayuki Tsuda, Kazushi Watanabe, Yoshikazu Sasago +2 more | 1997-09-16 |
| 5659847 | Process cartridge having positioning member for positioning optical device | Tadayuki Tsuda, Kazumi Sekine, Kazushi Watanabe, Yoshikazu Sasago, Shinya Noda +1 more | 1997-08-19 |
| 5640650 | Process cartridge including a spaced rolling members support feature and image forming apparatus using the same | Kazushi Watanabe, Shinichi Sasaki, Shigeo Miyabe, Shinya Noda | 1997-06-17 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Kazushi Watanabe, Yoshikazu Sasago, Shinya Noda +9 more | 1997-04-22 |
| 5617579 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Shinichi Sasaki, Koji Miura, Toshiyuki Karakama, Atsushi Numagami | 1997-04-01 |
| 5608509 | Process cartridge with blade member having a flat-surface side and an angled-surface side | Hiroyuki Shirai, Kazumi Sekine, Tadayuki Tsuda, Kazushi Watanabe, Yoshikazu Sasago +4 more | 1997-03-04 |
| 5602623 | Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum | Atsushi Nishibata, Morikazu Mizutani, Kazumi Sekine, Tadayuki Tsuda, Kazushi Watanabe +4 more | 1997-02-11 |