Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173387 | Electrophotographic dry developer | Koji Akiyama, Yutaka Kanamaru | 1992-12-22 |
| 4845002 | Toner for development of electrostatically charged image | Shinichiro Yasuda, Yukinaga Yokota, Kazuhiko Okabe | 1989-07-04 |
| 4845005 | Dry developer composition comprising polymer binder resin and colorant | Zenbei Meiwa | 1989-07-04 |