Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522909 | Process for preparing electrostatic developer | Toshiaki Narusawa, Seiji Okada, Teruo Yagishita, Hirofumi Okuyama | 1985-06-11 |
| 4513075 | Developer materials for electrostatic images | Toshiaki Narusawa, Seiji Okada, Teruo Yagishita, Hirofumi Okuyama | 1985-04-23 |
| 4455361 | Process for preparing developer materials for electrostatic images | Toshiaki Narusawa, Seiji Okada, Teruo Yagishita, Hirofumi Okuyama | 1984-06-19 |
| 4352877 | Electrophotographic developing process using flash fixation and toner therefor | Toshiaki Narusawa, Seiji Okada, Teruo Yagishita, Hirohumi Okuyama | 1982-10-05 |