Inventor · disambiguated record
Zhen Cao
Also filed as: CAO ZHEN · CAO ZHEN-HAI
30 granted patents·13 pending applications·123 citations·filing 2005–2024
94Inventor score
Files withHUAWEI TECH CO LTD16HUAWEI DIGITAL POWER TECH CO LTD8CAO ZHEN3HEBEI VOCATIONAL UNIV OF INDUSTRY AND TECHNOLOGY3INSTITUTE OF QUALITY STANDARD AND TESTING TECH FOR AGRO PRODUCTS CAAS2
Top patents by PatentIndex Score
43 records- 0195US10177683B2Multi-level inverterHUAWEI TECH CO LTD·Filed 2018·Granted Jan 8, 2019·15 cites·16 claims
- 0292US11979019B2Direct current breaker feeding an inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted May 7, 2024·2 cites·19 claims
- 0392US8250008B1Decision tree refinementCAO ZHEN·Filed 2009·Granted Aug 21, 2012·56 cites·21 claims
- 0491US11425785B2Network switching method, electronic device, and system on chipHUAWEI TECH CO LTD·Filed 2020·Granted Aug 23, 2022·4 cites·20 claims
- 0591US8417654B1Decision tree refinementCAO ZHEN·Filed 2012·Granted Apr 9, 2013·24 cites·29 claims
- 0686US12249905B2Serial-parallel converter protection system, controller, and converterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Mar 11, 2025·1 cites·18 claims
- 0785US9937498B2Artificial sieving structuresUNIV HONG KONG SCI & TECH·Filed 2015·Granted Apr 10, 2018·4 cites·25 claims
- 0884US11397627B2System call batching for network I/OHUAWEI TECH CO LTD·Filed 2020·Granted Jul 26, 2022·2 cites·20 claims
- 0977US9166872B2Method and network device for detecting IP address conflictHUAWEI TECH CO LTD·Filed 2013·Granted Oct 20, 2015·5 cites·12 claims
- 1074US11070462B2Apparatus and method for optimized route invalidation using modified no-path DAO signalingHUAWEI TECH CO LTD·Filed 2019·Granted Jul 20, 2021·2 cites·31 claims
- 1172US9467954B2Power adjustment method and apparatus based on low delay power detection before DPDZTE CORP·Filed 2013·Granted Oct 11, 2016·4 cites·11 claims
- 1271US11146362B2Internet of things data transmission method, device and systemHUAWEI TECH CO LTD·Filed 2020·Granted Oct 12, 2021·1 cites·20 claims
- 1366US11910489B2Network switching method, electronic device, and system on chipHUAWEI TECH CO LTD·Filed 2022·Granted Feb 20, 2024·0 cites·20 claims
- 1466US11809925B2Data processing method and apparatusHUAWEI TECH CO LTD·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 1565US11639926B2Detection device, sample solution loading device, test strip loading board and test stripINSTITUTE OF QUALITY STANDARD AND TESTING TECH FOR AGRO PRODUCTS CAAS·Filed 2022·Granted May 2, 2023·0 cites·18 claims
- 1663US11515573B2Battery systems and methods for accelerating ion diffusion in polymer electrolyte materialsBOSCH GMBH ROBERT·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 1763US2025154499A1Method for preparing random sgrna full-coverage group of target sequenceYEASEN BIOTECHNOLOGY SHANGHAI CO LTD·Filed 2022·Application pending·0 cites
- 1863US2023366055A1Method for preparing bainite hot-working dieHEBEI VOCATIONAL UNIV OF INDUSTRY AND TECHNOLOGY·Filed 2023·Application pending·0 cites
- 1962US9059904B2Method and system for intermediate node to locate a fault independentlyHUAWEI TECH CO LTD·Filed 2012·Granted Jun 16, 2015·3 cites·11 claims
- 2061US11722399B2Apparatus and method for optimized route invalidation using modified No-Path DAO signalingHUAWEI TECH CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·20 claims
- 2159US12160167B2Short-circuit protection apparatus, short-circuit protection method for target circuit, and power conversion deviceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Dec 3, 2024·0 cites·20 claims
- 2258US2025202338A1Power conversion device, energy storage system, and control method thereforHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 2356US11630107B2Method and system for detecting target components by utilizing mobile terminalINSTITUTE OF QUALITY STANDARD AND TESTING TECH FOR AGRO PRODUCTS CAAS·Filed 2022·Granted Apr 18, 2023·0 cites·28 claims
- 2454US11824493B2Photovoltaic module and photovoltaic systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Nov 21, 2023·0 cites·6 claims
- 2553US12413141B2Backfeed soft-start circuit for string photovoltaic inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·16 claims
- 2652US11726538B2Method and a device for power supply switchover in a power systemSIEMENS AG·Filed 2021·Granted Aug 15, 2023·0 cites·19 claims
- 2752US2023208182A1Power supply system and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Application pending·0 cites
- 2851US2024068078A1Die steel with a high thermal diffusion coefficient and its preparation methodsHEBEI VOCATIONAL UNIV OF INDUSTRY AND TECHNOLOGY·Filed 2022·Application pending·0 cites
- 2951US2023115497A1Power Converter Analog Chip and Power ConverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Application pending·0 cites
- 3049US2022045512A1Inverter of grid-connected photovoltaic power generation system, startup apparatus, method, and systemHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
- 3148US11647104B2Data processing method and apparatus, and deviceHUAWEI TECH CO LTD·Filed 2020·Granted May 9, 2023·0 cites·20 claims
- 3248US2021081921A1Information processing method, information processing apparatus, computer-readable non-transitory storage medium storing program and information processing terminalMERCARI INC·Filed 2020·Application pending·0 cites
- 3342US2007055524A1Speech dialog method and deviceCAO ZHEN-HAI·Filed 2005·Application pending·0 cites
- 3441US12005495B2Steel ladle drainage methodHEBEI VOCATIONAL UNIV OF INDUSTRY AND TECHNOLOGY·Filed 2021·Granted Jun 11, 2024·0 cites·5 claims
- 3541US2021109089A1Method for constructing chromatography test strip for triazophos based on molecular imprinting and electrospinningINSTITUTE OF QUALITY STANDARD AND TESTING TECH FOR AGRO PRODUCTS CHINESE ACADEMY OF AGRICULTU·Filed 2020·Application pending·0 cites
- 3641US2014001860A1Fast bus transfer method and deviceCAO ZHEN·Filed 2012·Application pending·0 cites
- 3741US2019025574A1Method for Designing Imaging Objective Lens System of Anamorphic MagnificationBEIJING INSTITUTE TECH·Filed 2018·Application pending·0 cites
- 3840US11671210B2Retransmission control method, communications interface, and electronic deviceHUAWEI TECH CO LTD·Filed 2020·Granted Jun 6, 2023·0 cites·20 claims
- 3939US11277313B2Data transmission method and corresponding deviceHUAWEI TECH CO LTD·Filed 2021·Granted Mar 15, 2022·0 cites·20 claims
- 4038US10355687B2Wave loss detection circuit for drive signal and switching transistor drive circuitHUAWEI TECH CO LTD·Filed 2016·Granted Jul 16, 2019·0 cites·3 claims
- 4133US12069342B2Method and apparatus for playing multimedia data, electronic device, and storage mediumBEIJING BYTEDANCE NETWORK TECH CO LTD·Filed 2021·Granted Aug 20, 2024·0 cites·16 claims
- 4233US2019222656A1Communication Method and ApparatusHUAWEI TECH CO LTD·Filed 2019·Application pending·0 cites
- 4330US9265029B2Method of transferring multicast data, updating method of multicast tree, system and device thereofHUI MIN·Filed 2011·Granted Feb 16, 2016·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →