Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622799 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Koichi Suzuki, Hideyuki Takai, Satomi Sugiyama | 1997-04-22 |