Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636715 | Photosensitive member and image forming apparatus having the same | Kunimasa Kawamura, Toshiyuki Ehara, Masaya Kawada, Tetsuya Karaki, Hironori Owaki | 2003-10-21 |
| 6531253 | Electrophotographic photosensitive member and apparatus using same | Toshiyuki Ehara, Masaya Kawada, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-11 |
| 6509691 | Image-forming apparatus and method of manufacturing the same | Tomoya Onishi | 2003-01-21 |