Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797444 | Electrophotographic photoreceptor and production method of the same | — | 2004-09-28 |
| 6689522 | Image forming method and electrostatic image developing toner | Hiroshi Yamazaki, Ken Ohmura, Meizo Shirose, Asao Matsushima, Hiroyuki Kozuru +1 more | 2004-02-10 |