Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835512 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yosuke Morikawa, Kouichi Nakata, Kimihiro Yoshimura, Daisuke Tanaka | 2004-12-28 |
| 6815135 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yosuke Morikawa, Kouichi Nakata, Kimihiro Yoshimura, Daisuke Tanaka | 2004-11-09 |
| 6806009 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Daisuke Tanaka, Yosuke Morikawa, Kouichi Nakata, Kimihiro Yoshimura | 2004-10-19 |