Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523244 | Magnetic head | Masayuki Fujimura | 1985-06-11 |
| 4434446 | Magnetic head | — | 1984-02-28 |
| 4245268 | Magnetic head with means for eliminating noise | — | 1981-01-13 |
| 4205356 | Erasing head | Fumio Tanaka | 1980-05-27 |