Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8934803 | Image forming apparatus, bias power supply device, and bias power supply method to control start and stop of supply of transfer electric field to transfer roller | — | 2015-01-13 |
| 4658438 | Receiver for satellite broadcasting service | Hiroshi Kamata | 1987-04-14 |