Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839755 | Rotary head type digital signal reproducing apparatus with different modes and tracking control | Yasuhiro Yamada, Shiro Yoshida | 1989-06-13 |
| 4835629 | Code error correcting circuit | Yasuhiro Yamada, Yasuo Inoue | 1989-05-30 |