Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824939 | Electrophotographic image forming method and apparatus | Ryohichi Kitajima, Takaaki Ikegami, Yoshiaki Kawasaki | 2004-11-30 |
| 6790572 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Nozomu Tamoto, Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama +1 more | 2004-09-14 |