JH

Juuji Hirayama

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Overall (All Time): #2,788,156 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10632532 Mixed powder for powder metallurgy Shigeru Unami 2020-04-28