KH

Kouzou Hirokawa

HC Hitachi Chemical Company: 1 patents #27 of 99Top 30%
📍 Chikusei, JP: #10 of 22 inventorsTop 50%
Overall (1997): #117,139 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5641840 Epoxy resin composition for sealing photosemiconductor element and photosemiconductor device sealed with the epoxy resin composition Satoru Tsuchida, Masahiko Osaka, Yasuaki Nakamura 1997-06-24