SK

Shinjirou Kuwayama

NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #2,864,501 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10329634 Quenching apparatus and method for producing metallic material Yutaka HAMASAKI, Hiroshi Hayashi, Shinji Hosoya 2019-06-25