Issued Patents 1989
Showing 1–2 of 2 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, Takaharu Noguchi, Toshifumi Shibuya +2 more | 1989-06-27 |
| 4823207 | PCM recording and playback with variable read and write speeds | Masaharu Kobayashi | 1989-04-18 |