Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809096 | Tracking controlling device using multiple pilot signals in magnetic video signal recording and reproducing apparatus | Nobuo Azuma, Yoshizumi Watatani | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809096 | Tracking controlling device using multiple pilot signals in magnetic video signal recording and reproducing apparatus | Nobuo Azuma, Yoshizumi Watatani | 1989-02-28 |