Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888263 | Color toner for electrophotography | Masami Tomita, Yoshihiro Nomura, Kazumi Ohtaki | 1989-12-19 |
| 4762763 | Toner for developing electrostatic latent image | Yoshihiro Nomura, Kazumi Ohtaki, Masami Tomita, Hachiro Tosaka, Toshiki Nanya +5 more | 1988-08-09 |