Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671477 | Developing device, process cartridge and image forming apparatus | Noriyuki Komatsu | 2003-12-30 |
| 6658224 | Process cartridge and electrophotographic image forming apparatus | Akiyoshi Yokoi, Kazushi Watanabe, Toshiyuki Karakama | 2003-12-02 |
| 6625413 | Developing device, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Toshiyuki Karakama, Akiyoshi Yokoi | 2003-09-23 |
| D478615 | Image forming apparatus | Toshiyuki Karakama, Akiyoshi Yokoi, Noriyuki Komatsu | 2003-08-19 |
| 6606469 | Developing apparatus mounted on image forming apparatus | Ken Kikuchi, Kazushi Watanabe, Akiyoshi Yokoi | 2003-08-12 |
| 6594454 | Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member | Kazushi Watanabe, Toshiyuki Karakama | 2003-07-15 |
| 6587650 | Electrophotographic image forming apparatus, process cartridge, and developing device having developer amount detector | Akiyoshi Yokoi | 2003-07-01 |
| 6571070 | Process cartridge and image forming apparatus | Kazushi Watanabe, Akiyoshi Yokoi | 2003-05-27 |
| 6512895 | Process cartridge and electrophotographic image forming system | Kazushige Sakurai, Hideki Matsumoto | 2003-01-28 |