Inventor · disambiguated record
Zhi Quan Chen
Also filed as: CHEN ZHI · CHEN ZHI Q · CHEN ZHI QUAN
23 granted patents·5 pending applications·213 citations·filing 1992–2023
93Inventor score
Files withSIGNIFY HOLDING BV9JENSCARE SCIENT CO LTD6NINGBO JENSCARE BIOTECHNOLOGY CO LTD3PHILIPS LIGHTING HOLDING BV3CHEN ZHI Q1
Top patents by PatentIndex Score
28 records- 0192US6025618ATwo-parts ferroelectric RAMFiled 1996·Granted Feb 15, 2000·91 cites·7 claims
- 0285US10398547B2Implant with anchoring device for heart valve diseaseNINGBO JENSCARE BIOTECHNOLOGY CO LTD·Filed 2017·Granted Sep 3, 2019·11 cites·13 claims
- 0384US5323377AElectrical data recording and retrieval based on impedance variationCHEN ZHI Q·Filed 1992·Granted Jun 21, 1994·44 cites·20 claims
- 0483US10449049B2Prosthesis for preventing valve regurgitationNINGBO JENSCARE BIOTECHNOLOGY CO LTD·Filed 2017·Granted Oct 22, 2019·12 cites·14 claims
- 0582US10904972B2Retrofit light emitting diode, LED, tube for reducing audible noise originating from a high frequency electronic ballastSIGNIFY HOLDING BV·Filed 2018·Granted Jan 26, 2021·3 cites·12 claims
- 0678US9350243B2Power converter with separate buck and boost conversion circuitsKONINKL PHILIPS NV·Filed 2013·Granted May 24, 2016·6 cites·15 claims
- 0776US5989144AOscillatory roller transmissionFiled 1997·Granted Nov 23, 1999·35 cites·13 claims
- 0875US9894722B2Driver with open output protectionPHILIPS LIGHTING HOLDING BV·Filed 2014·Granted Feb 13, 2018·3 cites·13 claims
- 0970US9651730B2Lighting device and luminairePHILIPS LIGHTING HOLDING BV·Filed 2014·Granted May 16, 2017·3 cites·6 claims
- 1069US11547558B2Heart valve prosthesis anchored to interventricular septum and conveying and releasing method thereofNINGBO JENSCARE BIOTECHNOLOGY CO LTD·Filed 2017·Granted Jan 10, 2023·2 cites·9 claims
- 1169US11083058B2Lighting drive, lighting system and control methodSIGNIFY HOLDING BV·Filed 2018·Granted Aug 3, 2021·1 cites·15 claims
- 1268US11006490B2Electronic ballast interface circuitSIGNIFY HOLDING BV·Filed 2018·Granted May 11, 2021·2 cites·13 claims
- 1360US12144732B2Heart valve prosthesis anchored to interventricular septum and conveying and releasing method thereofJENSCARE SCIENT CO LTD·Filed 2022·Granted Nov 19, 2024·0 cites·10 claims
- 1452US11425807B2LED lighting circuit and a lighting device comprising the sameSIGNIFY HOLDING BV·Filed 2019·Granted Aug 23, 2022·0 cites·10 claims
- 1547US10334669B2LED arrangement and LED driving methodSIGNIFY HOLDING BV·Filed 2018·Granted Jun 25, 2019·0 cites·15 claims
- 1647US2024115386A1Integrally detachable valve clamp and delivery system thereofJENSCARE SCIENT CO LTD·Filed 2021·Application pending·0 cites
- 1747US2024033084A1Mitral valve clip having locking mechanismJENSCARE SCIENT CO LTD·Filed 2021·Application pending·0 cites
- 1847US2025058140A1Programmable graphic projection light source system for ophthalmologyEYE AND EAR NOSE AND THROAT HOSPITAL AFFILIATED TO FUDAN UNIV·Filed 2022·Application pending·0 cites
- 1945US12059345B2Transcatheter prosthetic valve replacement systemJENSCARE SCIENT CO LTD·Filed 2019·Granted Aug 13, 2024·0 cites·15 claims
- 2045US2024297854A1Distributed function-specific buffer arrangement in a communication layerNIO TECHNOLOGY ANHUI CO LTD·Filed 2023·Application pending·0 cites
- 2144US12357458B2Stepwise-clamping type valve prosthesis and delivery system thereofJENSCARE SCIENT CO LTD·Filed 2019·Granted Jul 15, 2025·0 cites·15 claims
- 2244US11375594B2Tapped linear driver and driving methodSIGNIFY HOLDING BV·Filed 2019·Granted Jun 28, 2022·0 cites·15 claims
- 2344US2024350260A1Heart valve prosthesis capable of anchoring to native valve leafletJENSCARE SCIENT CO LTD·Filed 2022·Application pending·0 cites
- 2439US10986713B2Retrofit lamp and a lighting system using the sameSIGNIFY HOLDING BV·Filed 2018·Granted Apr 20, 2021·0 cites·13 claims
- 2539US10326374B2Power supply circuit with converter circuitSIGNIFY HOLDING BV·Filed 2015·Granted Jun 18, 2019·0 cites·14 claims
- 2638US10537010B2Coded light modulation arangementSIGNIFY HOLDING BV·Filed 2016·Granted Jan 14, 2020·0 cites·14 claims
- 2735US10757785B2Driver with open output protectionKONINKLIJKE PHILIPS NV·Filed 2015·Granted Aug 25, 2020·0 cites·13 claims
- 2833US10141842B2Power converter and an LED lighting circuit comprising the samePHILIPS LIGHTING HOLDING BV·Filed 2016·Granted Nov 27, 2018·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →