Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800611 | Plate cleaning apparatus and cleaning roller therefor | Kinya Kawakami, Tomoaki Ishino | 1989-01-31 |
| 4799284 | Plate cleaning apparatus and cleaning roller therefor | Kinya Kawakami, Tomoaki Ishino | 1989-01-24 |