Issued Patents 1997
Showing 1–4 of 4 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, Shinichi Sasaki | 1997-12-23 |
| 5631195 | Glass composition and substrate for plasma display | Osamu Yanagisawa, Kenji Oda, Naoki Sugimoto, Yoshio Takegawa, Akira Takada +2 more | 1997-05-20 |
| 5617579 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Shinichi Sasaki, Isao Ikemoto, Toshiyuki Karakama, Atsushi Numagami | 1997-04-01 |
| 5594531 | Electrophotographic apparatus employing cylindrical member having space controlling member and press-fitted flange | Kazuo Shishido, Shinichi Sasaki | 1997-01-14 |