HS

Hiraku Sigiki

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,987,752 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4714971 Method and apparatus for reproducing signals having improved rotary head tracking control Makoto Yamada, Shinji Miyamori 1987-12-22