TI

Tetsuo Ishiwata

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
📍 Suita, JP: #234 of 1,253 inventorsTop 20%
Overall (All Time): #765,834 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5386323 Method and apparatus for reproducing independently recorded multi-channel digital audio signals simultaneously and in synchronization with video signals Susumu Yamaguchi 1995-01-31
5228041 Sync signal detection system in a memory system for recording and reproducing block unit data Tadashi Yoshino, Susumu Yamaguchi, Hitoshi Komae, Eiji Yamauchi, Hiroshi Tanaka 1993-07-13
5142420 Sampling frequency reproduction system Hiroshi Tanaka, Eiji Yamauchi 1992-08-25
5068752 Apparatus for recording/reproducing a digital audio signal with a video signal Hiroshi Tanaka, Shuzo Hitotsumachi, Hitoshi Komae, Susumu Yamaguchi, Tadashi Yoshino +1 more 1991-11-26
5047768 Data companding method and data compressor/expander Susumu Yamaguchi 1991-09-10
5021897 Memory system for recording and reproducing block unit data Tadashi Yoshino, Susumu Yamaguchi, Hitoshi Komae, Eiji Yamauchi, Hiroshi Tanaka 1991-06-04
4873590 Magnetic recording and reproducing apparatus Katsuyuki Taguchi 1989-10-10