KT

Koichi Tsuyama

HC Hitachi Chemical Company: 1 patents #27 of 99Top 30%
📍 Chikusei, JP: #10 of 22 inventorsTop 50%
Overall (1997): #116,508 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690837 Process for producing multilayer printed circuit board Akishi Nakaso, Kazuhisa Otsuka, Haruo Ogino, Yoshihiro Tamura, Teiichi Inada +5 more 1997-11-25