YS

Yoji Sasaki

DI Dai Nippon Insatsu: 1 patents #197 of 371Top 55%
📍 Kokubunji, JP: #513 of 714 inventorsTop 75%
Overall (All Time): #4,049,035 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4374912 Photomask and photomask blank Satoru Kaneki, Yuzi Kikuchi 1983-02-22