SM

Shiaki Murai

Dai Nippon Printing Co.: 3 patents #744 of 2,222Top 35%
📍 Oshima, JP: #365 of 1,090 inventorsTop 35%
Overall (All Time): #1,598,361 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6879393 Defect inspection apparatus for phase shift mask Yasuhiro Koizumi, Shigeru Noguchi, Katsuhide Tsuchiya 2005-04-12
6803584 Electron beam control device Kazuaki Yamamoto 2004-10-12
5757019 Pattern drawing apparatus Kazuaki Yamamoto 1998-05-26