SS

Souichi Shimomura

NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
Overall (All Time): #3,939,057 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870931 Rocker arm having wear resistant scuffing resistant portion Yoshikatsu Nakamura, Osamu Kawamura 1989-10-03