Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821077 | Cleaner for toner fixing device | Hiroyoshi Tokoro, Kiyoo Kawate | 1989-04-11 |
| 4806979 | Duplex printing machine | Hiroyoshi Tokoro, Tsuneki Kobayashi, Kensei Hosoya, Shogo Nobumori | 1989-02-21 |