KH

Keiichi Hayashida

NC Nippon Koshuha Steel Co.: 1 patents #3 of 32Top 10%
📍 Shinminato, JP: #8 of 23 inventorsTop 35%
Overall (All Time): #3,614,587 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6060018 Cold tool steel featuring high size stability, wear-resistance and machinability Junji Yoshida, Yuji Machida, Masaaki Otakane 2000-05-09