TA

Toshio Aizawa

SO Sony: 1 patents #128 of 577Top 25%
📍 Rifu, JP: #21 of 97 inventorsTop 25%
Overall (1989): #49,368 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830697 Method and apparatus for manufacturing a magnetic recording disk — 1989-05-16