OT

Ohta Tomohiko

SC Shin-Etsu Handotai Co.: 2 patents #282 of 679Top 45%
SC Shin-Etsu Quartz Co.: 1 patents #8 of 11Top 75%
SC Shin-Etsu Quartz Products Co.: 1 patents #77 of 149Top 55%
Overall (All Time): #2,258,641 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5730800 Fused silica glass crucible Wataru Sato, Masahiro Sakurada, Katsuhiko Kemmochi 1998-03-24
5609682 Method for the preparation of silicon single crystal Wataru Sato, Masahiro Sakurada, Katsuhiko Kemmochi 1997-03-11