Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920806 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2011-04-05 |