Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463233 | Process cartridge having first and second cartridge guiding portions and an electrophotographic image forming apparatus to which the process cartridge is attached | Hironobu Isobe, Atsushi Numagami, Kazunari Murayama, Nobuharu Hoshi | 2002-10-08 |
| 6463242 | Developing device, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama, Takahito Ueno | 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 | Atsushi Numagami, Hironobu Isobe, Kazunari Murayama, Nobuharu Hoshi | 2002-08-27 |
| 6404996 | Electrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatus | Tomonori Mori, Kazunari Murayama, Kazufumi Muto | 2002-06-11 |
| 6389250 | Developing device, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama | 2002-05-14 |
| 6345164 | Shutter pin and developing cartridge | Kanji Yokomori, Kazuhiko Kanno | 2002-02-05 |