Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831467 | Apparatus for recording and reproducing a signal | — | 1989-05-16 |
| 4821128 | Apparatus for recording and/or reproducing a control signal | Yoshizumi Inazawa | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831467 | Apparatus for recording and reproducing a signal | — | 1989-05-16 |
| 4821128 | Apparatus for recording and/or reproducing a control signal | Yoshizumi Inazawa | 1989-04-11 |