KM

Kouki Minamoto

NC Nippon Tungsten Co.: 1 patents #45 of 139Top 35%
Overall (All Time): #3,509,066 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6551954 WC-base composite ceramic sintered compact Mitsuyoshi Nagano, Shigeya Sakaguchi, Norimitsu Mukae, Toyoshige Sasaki 2003-04-22