WY

Waichi Yamamura

SC Shin-Etsu Chemical Co.: 1 patents #99 of 245Top 45%
Overall (2003): #94,325 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6640589 Glass base material drawing apparatus and method for drawing glass base material Mitsukuni Sakashita, Shoji Hoshino, Tadakatsu Shimada, Hideo Hirasawa 2003-11-04