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Okitomo Kunitake

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,553,821 of 4,157,543Top 90%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6432164 Method for refining molten steel and apparatus therefor Norio Omura, Wataru Sakai, Susumu Mukawa, Tadashi Imai 2002-08-13