Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658224 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Toshiyuki Karakama, Toru Oguma | 2003-12-02 |
| 6625413 | Developing device, process cartridge and electrophotographic image forming apparatus | Toru Oguma, Kazushi Watanabe, Toshiyuki Karakama | 2003-09-23 |
| D478615 | Image forming apparatus | Toshiyuki Karakama, Toru Oguma, Noriyuki Komatsu | 2003-08-19 |
| 6606469 | Developing apparatus mounted on image forming apparatus | Ken Kikuchi, Kazushi Watanabe, Toru Oguma | 2003-08-12 |
| 6587650 | Electrophotographic image forming apparatus, process cartridge, and developing device having developer amount detector | Toru Oguma | 2003-07-01 |
| 6571070 | Process cartridge and image forming apparatus | Toru Oguma, Kazushi Watanabe | 2003-05-27 |