JA

Junichi Akamatsu

SO Sony: 1 patents #128 of 577Top 25%
📍 Kawagoe, JP: #37 of 124 inventorsTop 30%
Overall (1989): #91,964 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807220 Optically recordable carrier Seiichi Miyai 1989-02-21