Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445150 | Recording in a single track visual signals associated with audio signals recorded in opposed directions in plural tracks | Heitaro Nakajima, Kenkichi Umeda, Noriaki Naito, Hiroyuki Yamauchi, Isao Matsumoto +4 more | 1984-04-24 |