Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351110 | Image forming apparatus adapted for reversal developing process which is diminished in ozone and nitrogen oxide emissions | Hitoshi Saito | 1994-09-27 |
| 4800144 | Laminated type photosensitive member for electrophotography comprising a substrate of aluminate | Hideaki Ueda, Shizuo Yuge | 1989-01-24 |
| 4220696 | Electrophotographic plate with multiple layers | Susumu Tanaka | 1980-09-02 |