Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212604 | Method and apparatus for processing positioning signals in a record | Masahiro Mizuno | 1993-05-18 |
| 4827200 | Velocity control unit of detecting head | Shigemasa Yoshida | 1989-05-02 |