KH

Kazuo Hikita

NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #3,140,705 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8920582 Heat-treated steel material, method for producing same, and base steel material for same Nobusato Kojima 2014-12-30