OT

Ohta Tomohiko

SC Shin-Etsu Handotai Co.: 1 patents #20 of 79Top 30%
SC Shin-Etsu Quartz Co.: 1 patents #7 of 10Top 70%
Overall (1997): #97,314 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5609682 Method for the preparation of silicon single crystal Wataru Sato, Masahiro Sakurada, Katsuhiko Kemmochi 1997-03-11