MH

Motoya Hirota

SC Sumitomo Cement Co.: 1 patents #32 of 113Top 30%
Overall (All Time): #3,965,934 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4634492 Chrysoberyl single crystal and method of producing the same Hitoshi Oguri 1987-01-06