SJ

Shigetoshi Jhogan

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #3,453,184 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6915939 Friction agitation joining tool Takenori Hashimoto, Yoshitaka Nagano 2005-07-12