Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693443 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the same | Akio Maruyama, Noriyuki Takagi, Michiyo Sekiya | 1997-12-02 |
| 5667926 | Electrophotographic apparatus and image forming process | Akio Maruyama, Harumi Sako, Shoji Amamiya | 1997-09-16 |