TK

Toyohiko Kayama

NC Nippon Carbon Co.: 1 patents #26 of 58Top 45%
📍 Kokubunji, JP: #513 of 714 inventorsTop 75%
Overall (All Time): #2,726,282 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11002369 High sealing property ball valve seat Tatsuya Tanii 2021-05-11