Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606422 | Method and apparatus for recording video signals on a record medium | Naofumi Yanagihara, Yukio Kubota | 1997-02-25 |
| 5557420 | Method and apparatus for recording video signals on a record medium | Naofumi Yanagihara, Yukio Kubota | 1996-09-17 |