SS

Shin-Ichi Sumi

AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
📍 Rifu, JP: #1,311 of 2,101 inventorsTop 65%
Overall (All Time): #3,569,479 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6174384 Medium-carbon steel having dispersed fine graphite structure and method for the manufacture thereof Katsunari Oikawa, Toshihiko Abe 2001-01-16