Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014494 | Method of recording image data | Shigekazu Minechika, Kazuyuki Okamoto, Osami Sunagawa, Masahiko Nishikawa, Hirotsugu Murashima +1 more | 2000-01-11 |
| 5715358 | Method for recording at least two picture signals and method of reproduction at least two picture signals | Katsuhiko Matsushita, Daisuke Kishimoto, Minoru Takahashi, Minoru Kume, Mitsutaka Komoike +5 more | 1998-02-03 |
| 4802028 | Method and apparatus for erasing a magnetic disc employing erasing signals having at least two different frequencies | — | 1989-01-31 |