Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370956 | Electrophotographic photoreceptor | Hirokazu Yamamoto, Minoru Ohashi, Akira Tanaka | 1994-12-06 |
| 4520089 | Electrophotographic offset masters | Koji Toyama | 1985-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370956 | Electrophotographic photoreceptor | Hirokazu Yamamoto, Minoru Ohashi, Akira Tanaka | 1994-12-06 |
| 4520089 | Electrophotographic offset masters | Koji Toyama | 1985-05-28 |