Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697022 | Process cartridge, image forming apparatus usable therewith and process cartridge assembling method | Kenji Matsuda, Hideshi Kawaguchi, Hiroaki Miyake, Yoshiya Nomura | 1997-12-09 |
| 5678139 | Process cartridge with shutter for protecting photosensitive drum | Yoshiya Nomura, Chitose Tenpaku, Hideshi Kawaguchi, Hiroaki Miyake, Kenji Matsuda | 1997-10-14 |
| 5650841 | Process cartridge, image forming apparatus usable therewith and toner seal mounting method for process cartridge | Kenji Matsuda, Hideshi Kawaguchi, Hiroaki Miyake, Yoshiya Nomura | 1997-07-22 |
| 5642187 | Process cartridge, image forming apparatus usable therewith and image forming system | Yoshiya Nomura, Hideshi Kawaguchi, Hiroaki Miyake, Kenji Matsuda | 1997-06-24 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1997-05-27 |
| 5625482 | Scanning optical apparatus | — | 1997-04-29 |
| 5621451 | Image forming apparatus | Noriyoshi Ishikawa, Takeshi Setoriyama, Chitose Tenpaku, Tatsuo Hamada, Yoshiro Tsuchiya +8 more | 1997-04-15 |