KY

Koji Yamaga

SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #3,480,746 of 4,157,543Top 85%
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Patent #TitleCo-InventorsDate
6744458 Internally marked quartz glass, quartz glass substrate for optical member, and marking method Motoyuki Yamada 2004-06-01