Assignee
SEKIYA TAKUMA
JP·3 granted patents·12 citations·filing 2007–2012
Top patents by PatentIndex Score
3 records- 0174US9371797B2Piston ringSEKIYA TAKUMA·Filed 2012·Granted Jun 21, 2016·1 cites·7 claims
- 0273US8597797B2Chromium nitride ion-plating coating and its production method, as well as piston ring used for internal combustion engineSEKIYA TAKUMA·Filed 2007·Granted Dec 3, 2013·10 cites·3 claims
- 0361US9347559B2Piston ringSEKIYA TAKUMA·Filed 2012·Granted May 24, 2016·1 cites·4 claims
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