TY

Tohru Yamakawa

HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
📍 Muko, JP: #77 of 115 inventorsTop 70%
Overall (All Time): #4,054,003 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4391669 Device for making recording disc cartridge Kozi Akiyama 1983-07-05