Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315457 | Magnetic recording apparatus with pilot signal recorded in successive tracks with changing pilot frequency | Koichi Ono, Tsunekazu Okada | 1994-05-24 |
| 4698703 | Capstan servo system | Kazuhisa Nishimura, Mitsugu Yoshihiro, Masaaki Sakai | 1987-10-06 |