Inventor · disambiguated record
Kefeng Zeng
Also filed as: ZENG KEFENG
7 granted patents·4 pending applications·67 citations·filing 2004–2020
80Inventor score
Files withCHECKPOINT SYSTEMS INC4KMG2 SENSORS CORP2OUNG HARRY2GRUNENBERG LOTHAR1SENTECH BIOMED CORP1
Top patents by PatentIndex Score
11 records- 0191US7912661B2Impedance analysis technique for frequency domain characterization of magnetoelastic sensor element by measuring steady-state vibration of element while undergoing constant sine-wave excitationKMG2 SENSORS CORP·Filed 2007·Granted Mar 22, 2011·41 cites·20 claims
- 0276US7113876B2Technique and electronic circuitry for quantifying a transient signal using threshold-crossing counting to track signal amplitudeSENTECH BIOMED CORP·Filed 2004·Granted Sep 26, 2006·20 cites·34 claims
- 0366US9508238B2Electronic article surveillance portalCHECKPOINT SYSTEMS INC·Filed 2014·Granted Nov 29, 2016·2 cites·18 claims
- 0456US8587489B2Dynamic EAS detection system and methodOUNG HARRY·Filed 2008·Granted Nov 19, 2013·4 cites·10 claims
- 0545US2008261261A1System/unit and method employing a plurality of magnetoelastic sensor elements for automatically quantifying parameters of whole blood and platelet-rich plasmaKMG2 SENSORS CORP·Filed 2008·Application pending·0 cites
- 0643US2016162775A1Tag device and systemCHECKPOINT SYSTEMS INC·Filed 2014·Application pending·0 cites
- 0738US9870686B2Radio frequency label for packaging securityCHECKPOINT SYSTEMS INC·Filed 2015·Granted Jan 16, 2018·0 cites·20 claims
- 0838US8933790B2Phase coupler for rotating fieldsOUNG HARRY·Filed 2009·Granted Jan 13, 2015·0 cites·11 claims
- 0934US2022262220A1An advertising display unit and anti-theft antenna panelSHAH NIMESH·Filed 2020·Application pending·0 cites
- 1032US9224021B2Point of entry deactivationGRUNENBERG LOTHAR·Filed 2012·Granted Dec 29, 2015·0 cites·18 claims
- 1132US2017162952A1Multi-loop antennaCHECKPOINT SYSTEMS INC·Filed 2015·Application pending·0 cites
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