Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636715 | Photosensitive member and image forming apparatus having the same | Koji Yamazaki, Toshiyuki Ehara, Masaya Kawada, Tetsuya Karaki, Hironori Owaki | 2003-10-21 |
| 6586149 | Light-receiving member, image-forming apparatus, and image-forming method | Shigenori Ueda, Toshiyuki Ehara, Junichiro Hashizume, Ryuji Okamura, Masaya Kawada +2 more | 2003-07-01 |
| 6534228 | Electrophotographic photosensitive member and image forming apparatus | Masaya Kawada, Toshiyuki Ehara, Tetsuya Karaki, Hironori Ohwaki | 2003-03-18 |
| 6531253 | Electrophotographic photosensitive member and apparatus using same | Toshiyuki Ehara, Koji Yamazaki, Masaya Kawada, Tetsuya Karaki, Hironori Ohwaki | 2003-03-11 |