Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902596 | Toner for electrophotography with the change controlling agent dispersed therein | Masumi Koishi, Akio Kazama, Yukio Kawashima | 1990-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902596 | Toner for electrophotography with the change controlling agent dispersed therein | Masumi Koishi, Akio Kazama, Yukio Kawashima | 1990-02-20 |