Assignee
OHKI CHIKARA
JP·12 granted patents·4 pending applications·5 citations·filing 2004–2014
Top patents by PatentIndex Score
16 records- 0172US8177928B2Method of restrained-quenching of annular memberOHKI CHIKARA·Filed 2007·Granted May 15, 2012·2 cites·14 claims
- 0272US8128761B2Carbonitriding method, machinery component fabrication method, and machinery componentOHKI CHIKARA·Filed 2007·Granted Mar 6, 2012·2 cites·4 claims
- 0367US2016003300A1Bearing part and rolling bearingOHKI CHIKARA·Filed 2014·Application pending·0 cites
- 0461US9032783B2Bearing part, bearing, and method for inspecting bearing partOHKI CHIKARA·Filed 2011·Granted May 19, 2015·1 cites·11 claims
- 0555US8425690B2Bearing part, heat treatment method thereof, and rolling bearingOHKI CHIKARA·Filed 2005·Granted Apr 23, 2013·0 cites·5 claims
- 0654US8444912B2Heat treatment furnaceOHKI CHIKARA·Filed 2008·Granted May 21, 2013·0 cites·5 claims
- 0753US9062355B2Carbonitriding method, machinery component fabrication method, and machinery componentOHKI CHIKARA·Filed 2007·Granted Jun 23, 2015·0 cites·6 claims
- 0852US9181599B2Method for heat-treating ring-shaped member and method for producing ring-shaped memberOHKI CHIKARA·Filed 2012·Granted Nov 10, 2015·0 cites·10 claims
- 0951US2012051682A1Bearing part, heat treatment method thereof, and rolling bearingOHKI CHIKARA·Filed 2011·Application pending·0 cites
- 1049US8337089B2Mechanical component and rolling bearingOHKI CHIKARA·Filed 2008·Granted Dec 25, 2012·0 cites·7 claims
- 1149US8333516B2Bearing for alternator and bearing for pulleyOHKI CHIKARA·Filed 2010·Granted Dec 18, 2012·0 cites·4 claims
- 1248US8453528B2Mechanical component and rolling bearingOHKI CHIKARA·Filed 2011·Granted Jun 4, 2013·0 cites·7 claims
- 1347US10047429B2Gas nitrocarburizing method and method for manufacturing bearing partOHKI CHIKARA·Filed 2012·Granted Aug 14, 2018·0 cites·2 claims
- 1446US8747572B2Carbonitriding method, machinery component fabrication method, and machinery componentOHKI CHIKARA·Filed 2006·Granted Jun 10, 2014·0 cites·4 claims
- 1546US2007269336A1Ball-and-Roller BearingOHKI CHIKARA·Filed 2004·Application pending·0 cites
- 1642US2012234008A1Gas supply device and exhaust gas power generation systemOHKI CHIKARA·Filed 2010·Application pending·0 cites
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