Issued Patents 2002
Showing 1–4 of 4 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 | Hisayoshi Kojima, Atsushi Numagami, 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 | Atsushi Numagami, Hisayoshi Kojima, Kazunari Murayama, Nobuharu Hoshi | 2002-08-27 |
| 6418292 | Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container | Kenji Matsuda, Akiyoshi Fujita | 2002-07-09 |
| 6381419 | Image forming apparatus with developer density and developer remaining amount detection features | Masahide Kinoshita, Koichi Hiroshima, Ryuichi Yoshizawa | 2002-04-30 |