Inventor · disambiguated record
Zhijun Liu
Also filed as: LIU ZHIJUN
72 granted patents·22 pending applications·306 citations·filing 1997–2025
98Inventor score
Files withQINGDAO HUATIAN HAND TRUCK CO LTD12LIU ZHIJUN10CISCO TECH INC7ROCKWELL AUTOMATION TECH INC7SHENZHEN JISU TECH CO LTD7
Top patents by PatentIndex Score
94 records- 0198USD1010795SNeck fanSHENZHEN JISU TECH CO LTD·Filed 2023·Granted Jan 9, 2024·36 cites·1 claims
- 0292USD1073907SHandheld fanSHENZHEN JISU TECH CO LTD·Filed 2024·Granted May 6, 2025·19 cites·1 claims
- 0392USD1073906SHandheld fanSHENZHEN JISU TECH CO LTD·Filed 2024·Granted May 6, 2025·19 cites·1 claims
- 0492US11957342B2Devices, systems, and methods for detecting tissue and foreign objects during a surgical operationCILAG GMBH INT·Filed 2022·Granted Apr 16, 2024·4 cites·20 claims
- 0592USD1010794SNeck fanSHENZHEN JISU TECH CO LTD·Filed 2023·Granted Jan 9, 2024·28 cites·1 claims
- 0690US9860209B2Stateful connection processing in a security device clusterCISCO TECH INC·Filed 2015·Granted Jan 2, 2018·19 cites·20 claims
- 0789US12403946B2TipcartQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2021·Granted Sep 2, 2025·2 cites·8 claims
- 0889US9091742B2Fault identification techniques for high resistance grounded systemsWEI LIXIANG·Filed 2012·Granted Jul 28, 2015·8 cites·24 claims
- 0988US8551507B2Terpene glycosides and their combinations as solubilizing agentsLIU ZHIJUN·Filed 2010·Granted Oct 8, 2013·6 cites·40 claims
- 1087US9892746B1ABS design with soft bumper pads (SBP) for mitigating media damage and thermal erasure in hard disk drives (HDD)SAE MAGNETICS HK LTD·Filed 2017·Granted Feb 13, 2018·5 cites·21 claims
- 1187US8698504B2System for detection of a ground fault in a high resistance ground networkWEI LIXIANG·Filed 2010·Granted Apr 15, 2014·7 cites·10 claims
- 1287US7709031B2Angiogenic agents from plant extracts, gallic acid, and derivativesUNIV LOUISIANA STATE·Filed 2004·Granted May 4, 2010·25 cites·31 claims
- 1386USD855237SBlack lightLIU ZHIJUN·Filed 2017·Granted Jul 30, 2019·27 cites·1 claims
- 1485US11342861B2Method and apparatus to mitigate DC bus over-voltages on common AC bus systems utilizing DC and AC drivesROCKWELL AUTOMATION TECH INC·Filed 2020·Granted May 24, 2022·1 cites·13 claims
- 1583US12397696B2Dump truckQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2023·Granted Aug 26, 2025·1 cites·15 claims
- 1683USD1071297SStage lightLIU ZHIJUN·Filed 2024·Granted Apr 15, 2025·6 cites·1 claims
- 1781US9800549B2Hierarchical clustering in a geographically dispersed network environmentCISCO TECH INC·Filed 2015·Granted Oct 24, 2017·4 cites·17 claims
- 1881US9612269B2System for detection of a ground fault in a high resistance ground networkROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Apr 4, 2017·4 cites·21 claims
- 1978US11891102B2Handlebar fixing device and tool cartQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2022·Granted Feb 6, 2024·1 cites·16 claims
- 2076USD1057931SPortable fanSHENZHEN JISU TECH CO LTD·Filed 2024·Granted Jan 14, 2025·6 cites·1 claims
- 2175US12397837B2Dump truckQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2021·Granted Aug 26, 2025·1 cites·9 claims
- 2275US10629396B2Arc flash resistant enclosure with segregated coolingROCKWELL AUTOMATION TECH INC·Filed 2017·Granted Apr 21, 2020·4 cites·18 claims
- 2375US9453062B2Glucose dependent insulinotropic polypeptide analogs, pharmaceutical compositions and use thereofMA TAO·Filed 2012·Granted Sep 27, 2016·4 cites·22 claims
- 2474US8334000B2Anti-angiogenic extracts from pomegranateGREENWAY FRANK L·Filed 2010·Granted Dec 18, 2012·4 cites·34 claims
- 2573US9625846B2Suspension polymerization toner of core-shell structure with positive charges and preparation methodSHENZHEN LEPUTAI TECH CO LTD·Filed 2013·Granted Apr 18, 2017·2 cites·15 claims
- 2673US9239111B2Cylinder liner with high strength and wear resistance and manufacturing method thereofHENAN PROVINCE ZYNP CORP·Filed 2013·Granted Jan 19, 2016·3 cites·19 claims
- 2772US11652421B2Method and apparatus to mitigate DC bus over-voltages on common AC bus systems utilizing DC and AC drivesROCKWELL AUTOMATION TECH INC·Filed 2022·Granted May 16, 2023·0 cites·7 claims
- 2871US10302688B2System and method for ground fault detectionROCKWELL AUTOMATION TECH INC·Filed 2017·Granted May 28, 2019·2 cites·20 claims
- 2970US10715486B2Port address translation scalability in stateful network device clusteringCISCO TECH INC·Filed 2018·Granted Jul 14, 2020·1 cites·20 claims
- 3070US9604543B2Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive systemHU JIANGANG·Filed 2014·Granted Mar 28, 2017·3 cites·18 claims
- 3170US6047275AFuzzy logic winder analyzerALLEN BRADLEY CO·Filed 1997·Granted Apr 4, 2000·24 cites·35 claims
- 3269US2025281177A1Devices, systems, and methods for detecting tissue and foreign objects during a surgical operationCILAG GMBH INT·Filed 2025·Application pending·0 cites
- 3368US11976376B2Adjustable AC/DC conversion topology to regulate an isolated DC load with low AC rippleROCKWELL AUTOMATION TECH INC·Filed 2021·Granted May 7, 2024·0 cites·20 claims
- 3468US9684026B2Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive systemWEI LIXIANG·Filed 2013·Granted Jun 20, 2017·2 cites·21 claims
- 3567US10720195B2Efficient memory activation at runtimeINTEL CORP·Filed 2015·Granted Jul 21, 2020·1 cites·15 claims
- 3665US9066959B2Ficus extracts having angiogenesis inhibiting activity and methods of isolating and using the sameLIU ZHIJUN·Filed 2009·Granted Jun 30, 2015·0 cites·53 claims
- 3764US11699470B2Efficient memory activation at runtimeINTEL CORP·Filed 2020·Granted Jul 11, 2023·0 cites·24 claims
- 3864US8233258B2DC bus clamp circuit to prevent over voltage failure of adjustable speed drivesWEI LIXIANG·Filed 2009·Granted Jul 31, 2012·6 cites·15 claims
- 3963US10947636B2Adjustable AC/DC conversion topology to regulate an isolated DC load with low AC rippleROCKWELL AUTOMATION TECH INC·Filed 2017·Granted Mar 16, 2021·1 cites·20 claims
- 4063US2025295056A1Fertilization cartQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2024·Application pending·0 cites
- 4162US7000929B1Wheelbarrow leg stabilizer structureQINGPAO HUATIAN HANDTRUCK CORP·Filed 2004·Granted Feb 21, 2006·16 cites·1 claims
- 4262US2025295409A1Surgical instrument configured to determine treatment modality during tissue clampingCILAG GMBH INT·Filed 2024·Application pending·0 cites
- 4360US2025296610A1HandcartQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2024·Application pending·0 cites
- 4460US2025058810A1Connecting structure and transport cartQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2024·Application pending·0 cites
- 4560US2024405790A1V2X Vehicle-mounted Terminal Construction MethodXIAMEN KING LONG UNITED AUTOMOTIVE IND CO LTD·Filed 2024·Application pending·0 cites
- 4659US7805597B2Parallel link reset in link based systemINTEL CORP·Filed 2007·Granted Sep 28, 2010·1 cites·12 claims
- 4758US11159481B2Port address translation scalability in stateful network device clusteringCISCO TECH INC·Filed 2020·Granted Oct 26, 2021·0 cites·20 claims
- 4857USD1105392SHandheld fanSHENZHEN JISU TECH CO LTD·Filed 2024·Granted Dec 9, 2025·1 cites·1 claims
- 4957USD1080687SCompost spreaderQINGDAO HUATIAN HAND TRUCK CO LTD·Filed 2023·Granted Jun 24, 2025·1 cites·1 claims
- 5057USD1059579SFan bladeSHENZHEN JISU TECH CO LTD·Filed 2024·Granted Jan 28, 2025·1 cites·1 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →