RY

Ryo-ma Yamaguma

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
📍 Niihama, JP: #299 of 473 inventorsTop 65%
Overall (All Time): #4,156,406 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10518332 Method for producing nickel powder Kazuyuki Takaishi, Shin-ichi Heguri, Yoshitomo Ozaki, Yasuo Doi 2019-12-31