YO

Yukio Ohsaka

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #4,086,370 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4258309 Switching type power supply circuit Takaharu Ikeda 1981-03-24