TK

Toshihiko Kozutsumi

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #3,215,153 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8222317 Wet friction material — 2012-07-17