Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664014 | Electrophotographic photosensitive member electrophotographic apparatus using same and device unit using same | Toshihiro Kikuchi, Akio Maruyama, Michiyo Sekiya | 2003-12-16 |
| 6656652 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shuji Ishii, Noriyuki Takagi | 2003-12-02 |
| 6541172 | Electrophotographic photosensitive member, electrophotographic apparatus and process cartridge | Hideaki Nagasaka, Noriyuki Takagi | 2003-04-01 |