Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463242 | Developing device, process cartridge and electrophotographic image forming apparatus | Hisayoshi Kojima, Kazunari Murayama, Takahito Ueno | 2002-10-08 |
| 6463233 | Process cartridge having first and second cartridge guiding portions and an electrophotographic image forming apparatus to which the process cartridge is attached | Hisayoshi Kojima, Hironobu Isobe, Kazunari Murayama, Nobuharu Hoshi | 2002-10-08 |
| 6442359 | PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO A MAIN ASSEMBLY OF AN ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS COMPRISING MEANS FOR ROTATING A CHARGING UNIT IF FIRST AND SECOND ROTATIONAL DIRECTIONS AND THE APPARATUS MOUNTING SUCH A PROCESS CARTRIDGE | Hisayoshi Kojima, Hironobu Isobe, Kazunari Murayama, Nobuharu Hoshi | 2002-08-27 |
| 6408142 | Process cartridge and image forming apparatus | Makoto Takeuchi, Masahiko Yashiro, Toshiyuki Karakama | 2002-06-18 |
| 6389250 | Developing device, process cartridge and electrophotographic image forming apparatus | Hisayoshi Kojima, Kazunari Murayama | 2002-05-14 |
| 6385416 | Space securing member, developing device, charging device and process cartridge | Tadashi Horikawa, Kazunari Murayama, Takahito Ueno | 2002-05-07 |
| 6336015 | Developing apparatus with regulating member seal member and magnetic seal member | — | 2002-01-01 |