Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057071 | Dihydroxysilicon compound and electrophotographic photoreceptor containing the compound | Toyoshi Ohashi, Yasuko Osano, Yuko Kojima, Ichiro Yokotake, Hitoshi Ono +1 more | 2000-05-02 |
| 5283146 | Photoconductive phthalocyanine composition | Toyoshi Ohashi, Toshiaki Ishibashi, Junko Gouda, Akira Itsubo, Toshiyuki Koyama +1 more | 1994-02-01 |