Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843493 | Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor | Takashi Furuhata, Yasufumi Yumde, Fujio Okamura, Toshifumi Shibuya, Katsuo Mohri +2 more | 1989-06-27 |