Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349478 | Magnetic recording and/or reproducing method having a double azimuth head arrangement | Kenichi Sato | 1994-09-20 |
| 5347406 | Digital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughness | Kenichi Sato, Yuichi Arisaka | 1994-09-13 |