Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797340 | Dry electrophotographic toner comprising graft copolymer | Koichi Tanaka, Shigeo Aonuma, Yoshimi Amagai, Toshiaki Murofushi | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797340 | Dry electrophotographic toner comprising graft copolymer | Koichi Tanaka, Shigeo Aonuma, Yoshimi Amagai, Toshiaki Murofushi | 1989-01-10 |