Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819097 | Audio signal recording/reproducing system for use in time-lapse video tape recorder | Nobuo Azuma, Akira Shibata, Katsumi Mikamo | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819097 | Audio signal recording/reproducing system for use in time-lapse video tape recorder | Nobuo Azuma, Akira Shibata, Katsumi Mikamo | 1989-04-04 |