Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870647 | Digital signal demodulator | Yasuo Inoue | 1989-09-26 |
| 4858035 | Digital signal reproducing system | — | 1989-08-15 |
| 4819090 | Digital signal reproducing apparatus | — | 1989-04-04 |
| 4811128 | Digital signal recording and reproducing apparatus having rotary magnetic heads | Tsuyoshi Ono, Yasuhiro Yamada, Atsushi Hayami, Yasuo Inoue, Fumiaki Ono | 1989-03-07 |