Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982302 | Magnetic recording medium and method for magnetic recording and reproduction | Tatsuji Kitamoto, Koji Sasazawa, Hotaka Minaguchi | 1991-01-01 |
| 4839744 | Video signal recording method and associated recording/reproducing apparatus | Seishi Sasaki, Shigeru Awamoto, Tatsushi Bannai, Katsuya Yokoyama | 1989-06-13 |