Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697022 | Process cartridge, image forming apparatus usable therewith and process cartridge assembling method | Kenji Matsuda, Yoshinori Sugiura, Hiroaki Miyake, Yoshiya Nomura | 1997-12-09 |
| 5678139 | Process cartridge with shutter for protecting photosensitive drum | Yoshiya Nomura, Yoshinori Sugiura, Chitose Tenpaku, 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, Yoshinori Sugiura, Hiroaki Miyake, Yoshiya Nomura | 1997-07-22 |
| 5642187 | Process cartridge, image forming apparatus usable therewith and image forming system | Yoshiya Nomura, Yoshinori Sugiura, Hiroaki Miyake, Kenji Matsuda | 1997-06-24 |