Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400914 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Kazushi Watanabe, Akira Higeta | 2002-06-04 |
| 6397018 | Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Hideki Matsumoto, Kazushige Sakurai, Kazushi Watanabe, Toshiyuki Karakama | 2002-05-28 |