Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153788 | Method of recording and detecting servo information for positioning magnetic head | Keiichi Nishikawa | 1992-10-06 |
| 4827200 | Velocity control unit of detecting head | Shirou Ogura | 1989-05-02 |
| 4510537 | Magnetic head moving velocity detector | Ichiro Araki | 1985-04-09 |