Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678139 | Process cartridge with shutter for protecting photosensitive drum | Yoshiya Nomura, Yoshinori Sugiura, Hideshi Kawaguchi, Hiroaki Miyake, Kenji Matsuda | 1997-10-14 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Noriyoshi Ishikawa +9 more | 1997-05-27 |
| 5621451 | Image forming apparatus | Yoshinori Sugiura, Noriyoshi Ishikawa, Takeshi Setoriyama, Tatsuo Hamada, Yoshiro Tsuchiya +8 more | 1997-04-15 |