Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701562 | Developing sleeve having a cylindrical portion and a non-cylindrical portion provided by the same member, and developing device using the sleeve | Ryuji Araki, Atsushi Kubota, Koji Miura | 1997-12-23 |
| 5689774 | Process cartridge and image forming apparatus using such a process cartridge | Kazuo Shishido, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami | 1997-11-18 |
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Hiroyuki Shirai +1 more | 1997-10-28 |
| 5682587 | Developing apparatus using hollow magnet roller | Akira Higeta, Kazuyoshi Odagawa, Tadayuki Tsuda, Isao Ikemoto | 1997-10-28 |
| 5640650 | Process cartridge including a spaced rolling members support feature and image forming apparatus using the same | Kazushi Watanabe, Isao Ikemoto, Shigeo Miyabe, Shinya Noda | 1997-06-17 |
| 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 |
| 5617579 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Isao Ikemoto, Koji Miura, Toshiyuki Karakama, Atsushi Numagami | 1997-04-01 |
| 5594531 | Electrophotographic apparatus employing cylindrical member having space controlling member and press-fitted flange | Kazuo Shishido, Koji Miura | 1997-01-14 |