Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375327 | Roller fixing device | Kenichi Matsumoto, Hiroaki Ura, Junichi Koiso | 1983-03-01 |
| 4218132 | Drum cleaning apparatus for electrophotographic copying machine | Fumio Iwai, Masakazu Kokiso, Junichi Koiso | 1980-08-19 |
| 4211484 | Drum cleaning blade for image transfer type electrophotographic copying machine | Fumio Iwai, Masakazu Kokiso, Junichi Koiso | 1980-07-08 |