Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608980 | Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge comprising cartridge drum positioning portion or recess | Kazunari Murayama, Hisayoshi Kojima, Atsushi Numagami | 2003-08-19 |
| D478614 | Image forming apparatus | Atsushi Numagami, Kazunari Murayama | 2003-08-19 |
| 6587660 | Developing apparatus | Hisayoshi Kojima, Kazunari Murayama, Tadashi Horikawa | 2003-07-01 |