SY

Shinichi Yasuda

SC Sumitomo Metal Mining Co.: 1 patents #1 of 31Top 4%
Overall (1997): #77,053 of 185,788Top 45%
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, Koichi Yamagishi, Yasunori Yamanobe, Shinichi Hayashi 1997-05-20