MY

Motoyuki Yoshizumi

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,632,373 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6141424 Headphone capable of directly converting digital audio signal into analog audio signal Iwao Takiguchi 2000-10-31