HO

Hisatoshi Otsuka

SC Shin-Etsu Chemical Co.: 1 patents #99 of 245Top 45%
SC Shin-Etsu Quartz Products Co.: 1 patents #8 of 18Top 45%
📍 Joetsu, JP: #23 of 35 inventorsTop 70%
Overall (2003): #210,942 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6541405 Synthetic quartz glass member for excimer laser and method of making Kazuo Shirota, Akira Fujinoki 2003-04-01