Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979089 | Method for balancing currents to switching devices | Masayuki Ishii | 1990-12-18 |
| 4916598 | Apparatus for discerning faulty switching device | Masayuki Ishii | 1990-04-10 |
| 4633352 | Magnetic field noise shield for a magnetic head | Toshiaki Mizoguchi, Shinichiro Wadaya, Kunihiro Hashimoto | 1986-12-30 |