Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834175 | Developer agitating member | Kazunari Murayama, Atsushi Numagami, Seiji Yamaguchi, Takahito Ueno, Masao Uyama | 2004-12-21 |
| 6807384 | Image forming apparatus | Kazuhiro Okubo, Masaki Ojima, Motoki Adachi, Masao Uyama | 2004-10-19 |
| 6754454 | Image forming apparatus capable of discriminating a service life of detachably mounted process unit | Koichi Hiroshima, Hironobu Isobe, Ryuichi Yoshizawa | 2004-06-22 |
| 6718144 | Image forming apparatus and process unit mountable to image forming apparatus | Koichi Hiroshima, Hironobu Isobe, Ryuichi Yoshizawa | 2004-04-06 |
| 6704521 | Image forming apparatus and image forming method | Hironobu Isobe, Koichi Hiroshima, Ryuichi Yoshizawa | 2004-03-09 |