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Yu Yamashita

SC Sumitomo Metal Mining Co.: 1 patents #47 of 99Top 50%
Overall (2020): #204,853 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10695830 Copper powder, copper paste using same, conductive coating material, conductive sheet, and method for producing copper powder Hiroshi Okada 2020-06-30