Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351604 | Multi-color electrostatic copying apparatus | Fuyuhiko Matsumoto, Kunihiko Ikeda, Shuichi Tsushima | 1982-09-28 |
| 4308821 | Electrophotographic development apparatus | Fuyuhiko Matsumoto | 1982-01-05 |