Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002847 | Process of producing electrophotographic toners comprises ultrasonic mixing and suspension polymerization | Hiroshi Utsumi, Kinji Shinzo, Kazuya Kuriyama, Masanobu Fukuda, Shunichi Hiraishi | 1991-03-26 |