Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972276 | Regeneration system for digital magnetic recording information | Kunihiro Hashimoto, Hideo Abe | 1990-11-20 |
| 4633352 | Magnetic field noise shield for a magnetic head | Toshiaki Mizoguchi, Kunihiro Hashimoto, Shinichi Takase | 1986-12-30 |