KO

Kazumi Ota

NC Nkk Co.: 1 patents #579 of 1,173Top 50%
📍 Toyama, JP: #1,063 of 1,699 inventorsTop 65%
Overall (All Time): #3,854,650 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5129268 Method of measuring average particle size of granular material Mitsuaki Uesugi, Masami Harayama, Sotoaki Kawaguchi, Hiroyuki Shibuya 1992-07-14