Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811128 | Digital signal recording and reproducing apparatus having rotary magnetic heads | Tsuyoshi Ono, Yasuhiro Yamada, Kazuo Hikawa, Yasuo Inoue, Fumiaki Ono | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811128 | Digital signal recording and reproducing apparatus having rotary magnetic heads | Tsuyoshi Ono, Yasuhiro Yamada, Kazuo Hikawa, Yasuo Inoue, Fumiaki Ono | 1989-03-07 |