Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981939 | Binder for a toner comprising a polyester from rosin or hydrogenated rosin | Akira Matsumura, Tomiji Itou | 1991-01-01 |
| 4968575 | A toner composition comprising a rosin-containing polyester | Akira Matsumura, Tomiji Itou, Toshiyuki Kusuda | 1990-11-06 |
| 4829123 | Air-drying resin composition | Mamoru Akiyama | 1989-05-09 |
| 4745141 | Unsaturated polyester resin coating composition | Mamoru Akiyama, Akira Matsumura | 1988-05-17 |