SH

Shuzo Hitotsumachi

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Yawata, JP: #56 of 175 inventorsTop 35%
Overall (All Time): #1,293,052 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5442451 Helical scan recording/reproducing device for simultaneously helically recording/reproducing both video and audio signals 1995-08-15
5068752 Apparatus for recording/reproducing a digital audio signal with a video signal Hiroshi Tanaka, Tetsuo Ishiwata, Hitoshi Komae, Susumu Yamaguchi, Tadashi Yoshino +1 more 1991-11-26
4901159 Magnetic recording apparatus for recording video and two kinds of audio signals 1990-02-13
4648118 Apparatus for reducing noise in audio signals 1987-03-03