Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084622 | Frame structure and an image forming apparatus using such a frame structure | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Noriyoshi Ishikawa +9 more | 2000-07-04 |
| 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 |
| 5561496 | Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Noriyoshi Ishikawa +9 more | 1996-10-01 |
| 5559581 | Image forming apparatus with helical gear drive train | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Noriyoshi Ishikawa +9 more | 1996-09-24 |
| 5507482 | Sheet feeding apparatus | Noriyoshi Ishikawa | 1996-04-16 |
| 5298941 | Image forming apparatus having grounded metal plate supporting drive transmitting members and separating electrical equipment units | — | 1994-03-29 |