Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849950 | Device for reducing the leakage noise of a power converter | Hiroaki Sugiura, Michika Uesugi | 1989-07-18 |
| 4843384 | Wireless remote control system | Harunobu Nukushina, Naoki Ichien | 1989-06-27 |