KS

Koukichi Sugawara

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,995,629 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4589105 Flexible disc cassette Tsuneo Nemoto, Osamu Koizumi 1986-05-13