SO

Seiichi Okuyama

TC Tokai Carbon Co.: 1 patents #38 of 112Top 35%
📍 Yatsushiro, JP: #24 of 48 inventorsTop 50%
Overall (All Time): #3,744,961 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5525276 Method for manufacturing high strength isotropic graphite piston components Katutoshi Mizumoto, Sakae Ikegami 1996-06-11