Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780769 | Recording and reproducing apparatus for time compressed video signals wherein said signals are expanded and converted into two separate channels before recording | Toshihiko Numakura, Masashi Mizuta, Masayoshi Ishimaru, Michio Nagai | 1988-10-25 |