YI

Yasuko Iokawa

SO Sony: 2 patents #12,963 of 25,231Top 55%
📍 Tochigi, JP: #1,767 of 2,789 inventorsTop 65%
Overall (All Time): #3,521,110 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6611651 Material for optical waveguide, and optical waveguide and method for manufacturing the same Tsuyoshi Ogawa, Kozaburo Hayashi 2003-08-26