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, Yoshinori Sugiura, Hideshi Kawaguchi, Hiroaki Miyake | 1997-12-09 |
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe, Hiroyuki Shirai +1 more | 1997-10-28 |
| 5678139 | Process cartridge with shutter for protecting photosensitive drum | Yoshinori Sugiura, 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, Yoshinori Sugiura, Hideshi Kawaguchi, Hiroaki Miyake | 1997-07-22 |
| 5642187 | Process cartridge, image forming apparatus usable therewith and image forming system | Yoshinori Sugiura, Hideshi Kawaguchi, Hiroaki Miyake, Kenji Matsuda | 1997-06-24 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Chitose Tenpaku +9 more | 1997-05-27 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +9 more | 1997-04-22 |