Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501926 | Process cartridge and electrophotographic image forming apparatus | Yoshihiro Ito, Toshiharu Kawai | 2002-12-31 |
| 6501927 | Process cartridge and photosensitive drum driving mount | Yoshihiro Ito, Toshiharu Kawai | 2002-12-31 |
| 6408143 | Electrophotographic image forming apparatus | Kazushige Sakurai, Toshiyuki Karakama, Hideki Matsumoto | 2002-06-18 |
| 6400914 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2002-06-04 |
| 6397018 | Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Hideki Matsumoto, Kazushige Sakurai, Isao Ikemoto, Toshiyuki Karakama | 2002-05-28 |
| 6397017 | Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Hiroaki Sakai, Toshiyuki Karakama, Masaru Shimura, Hideki Matsumoto, Seiji Saito | 2002-05-28 |
| 6377759 | Process cartridge, electrophotographic image forming apparatus and developer amount detecting member | Daisuke Abe, Toru Oguma, Takao Nakagawa | 2002-04-23 |
| 6349188 | Process cartridge, electrophotographic image forming apparatus, driving force transmission part and electrophotographic photosensitive drum | Toshiharu Kawai, Yoshihiro Ito | 2002-02-19 |
| 6336018 | Electrophotographic image forming apparatus, process cartridge, and drive mount for photosensitive drum | Toshiharu Kawai, Yoshihiro Ito | 2002-01-01 |