KS

Keisuke SAKURAI

SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
📍 Joetsu, JP: #178 of 239 inventorsTop 75%
Overall (All Time): #2,582,250 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11644743 Halftone phase shift-type photomask blank, method of manufacturing thereof, and halftone phase shift-type photomask Takuro Kosaka 2023-05-09