Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658224 | Process cartridge and electrophotographic image forming apparatus | Akiyoshi Yokoi, Toshiyuki Karakama, Toru Oguma | 2003-12-02 |
| 6654567 | Process cartridge detachable from electrophotographic image forming apparatus having wireless communication | Toshiyuki Karakama, Yoshihiro Ito | 2003-11-25 |
| 6642728 | Holder of electroconductive contactor, and method for producing the same | Masami Kudo, Toshio Kazama, Yoshio Yamada | 2003-11-04 |
| 6625413 | Developing device, process cartridge and electrophotographic image forming apparatus | Toru Oguma, Toshiyuki Karakama, Akiyoshi Yokoi | 2003-09-23 |
| 6606469 | Developing apparatus mounted on image forming apparatus | Ken Kikuchi, Toru Oguma, Akiyoshi Yokoi | 2003-08-12 |
| 6594454 | Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member | Toru Oguma, Toshiyuki Karakama | 2003-07-15 |
| 6571070 | Process cartridge and image forming apparatus | Toru Oguma, Akiyoshi Yokoi | 2003-05-27 |