IH

Isao Hamada

NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
Overall (All Time): #4,076,013 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4350510 Centrifugal separator Hiroshi Nakayama, Nobuyoshi Kawakami, Hirotaka Azami, Tadasu Ikeda, Yasumasa Yukawa +4 more 1982-09-21