SY

Shiro Yasuda

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,655,183 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5334022 Auditory playing device Keiko Kitagawa 1994-08-02
5012230 Input device for digital processor based apparatus 1991-04-30
4196907 Record player Kazuyuki Takizawa, Toshio Sato, Makoto Kodama 1980-04-08