KY

Koichi Yamagishi

SC Sumitomo Metal Mining Co.: 1 patents #1 of 31Top 4%
📍 Osaka, JP: #38 of 80 inventorsTop 50%
Overall (1997): #116,455 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5631041 Manufacturing method for magnetic disc Tadahito Kanaizuka, Atsushi Kawamoto, Shinichi Yasuda, Yasunori Yamanobe, Shinichi Hayashi 1997-05-20