KA

Kazuo Araragi

NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #3,854,144 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5127187 Soil or soil improver containing porous ion exchanger Michinori Hattori, Teruo Hiramatsu 1992-07-07