Inventor · disambiguated record
Jinfeng Gao
Also filed as: GAO JINFENG
33 granted patents·10 pending applications·553 citations·filing 2019–2025
97Inventor score
Files withCONTEMPORARY AMPEREX TECHNOLOGY CO LTD14CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD10SHENZHEN YAWELL INTELLIGENT TECH CO LTD9WU XINYAN3ZHOU MIN3
Top patents by PatentIndex Score
43 records- 0198USD935453SSmart watchZHOU MIN·Filed 2021·Granted Nov 9, 2021·61 cites·1 claims
- 0298USD923004SSmart watchWU XINYAN·Filed 2020·Granted Jun 22, 2021·60 cites·1 claims
- 0398USD900809SSmart braceletSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2019·Granted Nov 3, 2020·110 cites·1 claims
- 0497USD962232SSmart watchZHOU MIN·Filed 2021·Granted Aug 30, 2022·35 cites·1 claims
- 0596USD901493SSmart watchGAO JINFENG·Filed 2019·Granted Nov 10, 2020·109 cites·1 claims
- 0695USD962230SSmart watchWU XINYAN·Filed 2020·Granted Aug 30, 2022·26 cites·1 claims
- 0795USD962233SSmart watchZHOU MIN·Filed 2021·Granted Aug 30, 2022·25 cites·1 claims
- 0895USD962231SSmart watchWU XINYAN·Filed 2021·Granted Aug 30, 2022·25 cites·1 claims
- 0995US11251720B1Method and apparatus for controlling grid-tie inverterJIANGSU CONTEMPORARY AMPEREX TECH LTD·Filed 2021·Granted Feb 15, 2022·6 cites·9 claims
- 1094USD988316SSmart watchSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2023·Granted Jun 6, 2023·16 cites·1 claims
- 1193US11685289B2Charging and discharging device, methods of battery charging and discharging, and charging and discharging systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Jun 27, 2023·4 cites·20 claims
- 1293US11251714B1Method, apparatus and system for improving energy transmission efficiency between battery and power gridCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Feb 15, 2022·3 cites·13 claims
- 1392USD1053188SSmart watchSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2024·Granted Dec 3, 2024·12 cites·1 claims
- 1490USD901492SSmart braceletSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2019·Granted Nov 10, 2020·29 cites·1 claims
- 1588USD1001124SSmart watchSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2023·Granted Oct 10, 2023·9 cites·1 claims
- 1687USD1018533SSmart watchSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2023·Granted Mar 19, 2024·8 cites·1 claims
- 1785USD1040100SCombination charging case and smart ringSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2024·Granted Aug 27, 2024·7 cites·1 claims
- 1878USD1083749SSmart ringSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2024·Granted Jul 15, 2025·4 cites·1 claims
- 1978USD1030753SSmart watchSHENZHEN YAWELL INTELLIGENT TECH CO LTD·Filed 2023·Granted Jun 11, 2024·4 cites·1 claims
- 2075US12485800B2Traction battery heating circuit, system, and control method, and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted Dec 2, 2025·0 cites·18 claims
- 2171US2024079984A1Charge/discharge circuit, charge/discharge system, and charge/discharge control methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 2269US12512765B2Method and apparatus for controlling rectifierCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted Dec 30, 2025·0 cites·19 claims
- 2369US11975632B2Power battery heating system and control method and control circuit thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted May 7, 2024·0 cites·20 claims
- 2468US12381491B2Method and apparatus for suppressing grid voltage imbalanceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted Aug 5, 2025·0 cites·13 claims
- 2565US12227109B2Power battery heating system and control method and control circuit thereofCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2021·Granted Feb 18, 2025·0 cites·17 claims
- 2664US11962231B2Control method and device of voltage converter and voltage control systemJIANGSU CONTEMPORARY AMPEREX TECH LTD·Filed 2022·Granted Apr 16, 2024·0 cites·18 claims
- 2764US2023029492A1Charging and discharging apparatus and battery charging methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 2862US12368368B2Isolated resonant conversion control method, apparatus and system, and readable storage medium based on switching frequency of input-side switch transistorCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted Jul 22, 2025·0 cites·14 claims
- 2961US2024421625A1Power battery voltage regulation circuit and system, and control method and control apparatus thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 3060US2024235243A1Power battery voltage regulation system and control method and control apparatus thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 3159US2025260252A1Battery mix system, control mehtod and control device thereof, and storage mediumCONTEMPORARY AMPEREX TECH HONK KONG LIMITED·Filed 2025·Application pending·0 cites
- 3259US2024178686A1Control method and control device for battery system and battery systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 3359US2024178473A1Battery heating apparatus and control method thereof, control circuit and power plantCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 3458US2024010103A1Battery heating method, charging device, and battery management systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 3557US12294310B2Method and apparatus for controlling reverse current of phase-shifted full-bridge circuitCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted May 6, 2025·0 cites·15 claims
- 3654US12316229B2Voltage conversion circuit, charging apparatus, and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted May 27, 2025·0 cites·13 claims
- 3754US12126247B2Bi-directional DC/DC converter, control method and apparatus thereof, and storage mediumCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2022·Granted Oct 22, 2024·0 cites·19 claims
- 3854US2024006980A1Series-parallel switching method and apparatus, power conversion circuit, and electronic deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 3953US12266964B2Charging-and-discharging apparatus, method for charging a battery and charging-and-discharging systemCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2021·Granted Apr 1, 2025·0 cites·17 claims
- 4052US12438450B2Two-stage electrical controlling system and electrical apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2022·Granted Oct 7, 2025·0 cites·9 claims
- 4150US11726133B2Energy storage system and insulation detection method thereforCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted Aug 15, 2023·0 cites·11 claims
- 4250US11695317B2Converter control method, converter control apparatus, and readable storage mediumCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Granted Jul 4, 2023·0 cites·20 claims
- 4350US2023268755A1Energy storage systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →