Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554478 | Electrophotographic dry toner | Shinichi Kuramoto, Yoshihisa Okamoto, Yasuo Asahina, Michio Izumi, Hidefumi Gohhara +3 more | 1996-09-10 |
| 5403690 | Developer for developing latent electrostatic images | Shinichi Kuramoto, Yasuo Asahina, Michio Izumi, Yoshihisa Okamoto, Hiroaki Matsuda +2 more | 1995-04-04 |
| 5126221 | Color developers for use in multi-color electrophotography and image formation method using the same | Shunichi Chiba, Satoru Inoue, Akio Matsui, Yoshihisa Okamoto | 1992-06-30 |