OY

Osamu Yoneyama

SO Sony: 1 patents #128 of 577Top 25%
Overall (1989): #71,801 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847846 Semiconductor laser chip Haruo Sone, Isao Umezawa 1989-07-11