KO

Kinya Oigawa

SC Sumitomo Metal Mining Co.: 2 patents #253 of 736Top 35%
📍 Noshiro, JP: #1 of 5 inventorsTop 20%
Overall (All Time): #1,944,688 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9869890 Polarization independent optical isolator Nobuo Nakamura 2018-01-16
5212405 Composite lead frame — 1993-05-18