Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661994 | Electrophotographic image forming system | Yoshio Ohuchi, Kazuhiro Wakamatsu, Hisao Suka, Katsumi Kumada, Chikara Hiraoka +6 more | 2003-12-09 |
| 6125250 | Developing device, developing method, and an image forming apparatus | Keiji Kamio, Yoshitaro Ishii, Masahiko Saito, Tadashi Okano, Nobuo Suzuki +2 more | 2000-09-26 |
| 5585892 | Image forming apparatus with positioning member of frame engaging shaft of roller of photosensitive belt | Tomio Hayano | 1996-12-17 |