SO

Shinji Okikawa

SC Shinagawa Refractories Co.: 1 patents #73 of 162Top 50%
📍 Zama, JP: #389 of 615 inventorsTop 65%
Overall (All Time): #4,000,161 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4605635 Carbon-containing refractory Tadashi Zenbutsu, Hiroyuki Kokumai, Keiji Saito 1986-08-12