RK

Ryutaro Kuroda

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Overall (All Time): #2,863,361 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10323162 Abrasive material Mikimasa Horiuchi, Yasuhide Yamaguchi 2019-06-18