Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228041 | Sync signal detection system in a memory system for recording and reproducing block unit data | Tadashi Yoshino, Susumu Yamaguchi, Tetsuo Ishiwata, Eiji Yamauchi, Hiroshi Tanaka | 1993-07-13 |
| 5068752 | Apparatus for recording/reproducing a digital audio signal with a video signal | Hiroshi Tanaka, Tetsuo Ishiwata, Shuzo Hitotsumachi, Susumu Yamaguchi, Tadashi Yoshino +1 more | 1991-11-26 |
| 5021897 | Memory system for recording and reproducing block unit data | Tadashi Yoshino, Susumu Yamaguchi, Tetsuo Ishiwata, Eiji Yamauchi, Hiroshi Tanaka | 1991-06-04 |