Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8886092 | Electrophotographic apparatus and process cartridge | Yoshihisa Saito, Shoji Amamiya, Hideki Ogawa, Tatsuya Ikezue, Kan Tanabe +2 more | 2014-11-11 |
| 7813675 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kan Tanabe, Yoshihisa Saito, Hideki Ogawa, Shoji Amamiya, Tatsuya Ikezue +2 more | 2010-10-12 |