Inventor · disambiguated record
Yaqing Liu
Also filed as: LIU YAQING
32 granted patents·13 pending applications·38 citations·filing 2006–2025
93Inventor score
Top patents by PatentIndex Score
45 records- 0193US11732112B1Method of preparing graphene/natural rubber composite with enhanced mechanical properties, thermal conductivity, and wear resistanceUNIV NORTH CHINA·Filed 2022·Granted Aug 22, 2023·4 cites·8 claims
- 0292US11970427B2Microelement amino acid chelate-urea formaldehyde slow-release fertilizer and method for preparing the same by reactive extrusionUNIV NORTH CHINA·Filed 2023·Granted Apr 30, 2024·2 cites·10 claims
- 0391US11597810B2Equipment and method for continuously preparing graphene powder directly dispersed in organic systemUNIV NORTH CHINA·Filed 2022·Granted Mar 7, 2023·1 cites·9 claims
- 0486USD1054698SStorage box setLIU YAQING·Filed 2023·Granted Dec 24, 2024·10 cites·1 claims
- 0584USD1054699SStorage boxLIU YAQING·Filed 2023·Granted Dec 24, 2024·8 cites·1 claims
- 0681US7753984B2Slow and controlled-release polymeric fertilizer with multiple nutrients, preparing process for the same and the use method of the sameLIU YAQING·Filed 2006·Granted Jul 13, 2010·9 cites·12 claims
- 0779US10865161B2Water-absorbing and water-retaining multi-nutrient biodegradable polymeric slow/controlled release fertilizer having a semi-interpenetrating network structureUNIV NORTH CHINA·Filed 2018·Granted Dec 15, 2020·1 cites·11 claims
- 0877US10906843B2Extrusion granulated urea-formaldehyde-based multi-nutrient slow/controlled release fertilizer and preparation method thereofUNIV NORTH CHINA·Filed 2018·Granted Feb 2, 2021·2 cites·5 claims
- 0974US12434211B2Efficient and cost-effective method for preparing ultra-fine powdered natural rubber masterbatch with high graphene content and use thereofUNIV NORTH CHINA·Filed 2023·Granted Oct 7, 2025·0 cites·10 claims
- 1071US2025387986A1Method for manufacturing resin matrix composite part by near-net-shape molding of short-cut fiber prepregUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 1169US12110230B2Efficient microwave preparation method with one-step simultaneous reduction/embedding and application of metal monatomic-doped reduced graphene oxide dielectric materialUNIV NORTH CHINA·Filed 2024·Granted Oct 8, 2024·0 cites·4 claims
- 1269US2025387999A1Impact-resistant and wave-absorbing resin matrix composite metamaterial based on chopped carbon fiber felt and a preparation method thereofUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 1367US12337582B2High-velocity impact-resistant wave-transparent composite with bio-inspired nacre-like interlaminar toughening structure, and preparation method thereofUNIV NORTH CHINA·Filed 2024·Granted Jun 24, 2025·0 cites·9 claims
- 1467US12098253B2Method for preparing thermoplastic starch by in-situ reactive extrusion plasticization process and method for preparing starch/polymer blend by in-situ reactive extrusion plasticization and compatibilization processUNIV NORTH CHINA·Filed 2022·Granted Sep 24, 2024·0 cites·4 claims
- 1567US2024132676A1Sulfonated lignin as a by-product of papermaking wood pulp/urea-formaldehyde fertilizer and method for preparing the same by a reactive extrusion and granulation processUNIV NORTH CHINA·Filed 2023·Application pending·0 cites
- 1666US12325224B2Lightweight, low-thickness, durable and reliable multi-band radar stealth-bulletproof integrated metamaterialUNIV NORTH CHINA·Filed 2024·Granted Jun 10, 2025·0 cites·9 claims
- 1765US2025340704A1Method for preparing dually-bonded graphene oxide/natural rubber composite based on high-molecular-weight cationic polymerUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 1864US12180125B2Method for preparing weathered coal-derived humic acid/urea-formaldehyde slow-release fertilizer granules by reactive extrusion process with depolymerization-activation-polycondensation trinity and fertilization methodUNIV NORTH CHINA·Filed 2024·Granted Dec 31, 2024·0 cites·3 claims
- 1963US12428354B2Method for preparing nitrogen-rich or nutritious slow-release fertilizer through in-situ straw modification/reactive extrusion integrated continuous processUNIV NORTH CHINA·Filed 2022·Granted Sep 30, 2025·0 cites·11 claims
- 2062US12359037B2Vulcanizing agent-modified graphene prepared through an in-situ chemical deposition process, and controllable crosslinked natural rubber composite comprising the sameUNIV NORTH CHINA·Filed 2022·Granted Jul 15, 2025·0 cites·6 claims
- 2159US12468068B2Carbon-based conductive film-based ultralight wide-angle absorbing metamaterial with full-frequency absorption within 2-18 GHz and preparation method thereofUNIV NORTH CHINA·Filed 2025·Granted Nov 11, 2025·0 cites·4 claims
- 2259US11745402B2High-precision and high-efficiency injection mold for high-aspect-ratio double-layer cylindrical plastic part and molding method using the sameUNIV NORTH CHINA·Filed 2023·Granted Sep 5, 2023·0 cites·9 claims
- 2359US2022250997A1Highly efficient and environment-friendly reactive extrusion integrated continuous preparation process for a biodegradable polymeric multi-nutrient nano slow/controlled-release fertilizerUNIV NORTH CHINA·Filed 2021·Application pending·0 cites
- 2459US2024002556A1High wear-resistant graphene-modified natural rubber and preparation thereofUNIV NORTH CHINA·Filed 2022·Application pending·0 cites
- 2559US2023123541A1Biodegradable urea-formaldehyde-based sand-fixing polymer material with slow nutrient release and water absorption and retentionUNIV NORTH CHINA·Filed 2022·Application pending·0 cites
- 2658US12342519B2Lightweight absorption-transmission integrated metamaterial to electromagnetic waves with polarization stability and wide-incident-angle stability, and preparation method thereofUNIV NORTH CHINA·Filed 2025·Granted Jun 24, 2025·0 cites·6 claims
- 2758US11622483B2Gradient electrically conductive-uniform thermally conductive dual network structure-based electromagnetic shielding polymer composite with low reflection and high absorptionUNIV NORTH CHINA·Filed 2021·Granted Apr 4, 2023·0 cites·9 claims
- 2857US12486204B2Device and method for industrialized continuous and simplified preparation of urea-formaldehyde slow-release nitrogen fertilizer or urea-formaldehyde-based slow- and controlled-release multi-nutrient fertilizerUNIV NORTH CHINA·Filed 2022·Granted Dec 2, 2025·0 cites·12 claims
- 2957US11732078B2Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusionUNIV NORTH CHINA·Filed 2020·Granted Aug 22, 2023·0 cites·8 claims
- 3057US2025340721A1System and method for preparing graphene oxide (go)-modified natural rubber masterbatch by aqueous phase synergistic aggregating co-coagulation processUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 3156US12443777B2Optimizing method for molding process of fiber-reinforced polymer composite partsUNIV NORTH CHINA·Filed 2024·Granted Oct 14, 2025·0 cites·7 claims
- 3256USD1084656SStorage boxLIU YAQING·Filed 2023·Granted Jul 22, 2025·1 cites·1 claims
- 3356US2025165675A1Optimization method for molding mold and filling process of resin transfer molding (rtm) to form fiber fabric reinforced resin-based composite partsUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 3455US2023094350A1Porous Polymer and Method for Preparing the Same, Catalyst, and Method for Preparing AdiponitrileUNIV ZHEJIANG·Filed 2021·Application pending·0 cites
- 3554US11789005B2Device and method for determining degradation rate of biodegradable polymers in soilUNIV NORTH CHINA·Filed 2022·Granted Oct 17, 2023·0 cites·5 claims
- 3654US9051222B1Slow and controlled release polymeric sulfur fertilizer containing multiple nutrient elements and method for preparing the sameUNIV NORTH CHINA·Filed 2014·Granted Jun 9, 2015·0 cites·10 claims
- 3754US2022289934A1Method for preparing graphene masterbatch by aqueous phase synergistic aggregating precipitating process and method for molding long-lifespan tire for loading wheel of heavy-duty vehicleUNIV NORTH CHINA·Filed 2022·Application pending·0 cites
- 3853US12428355B2Integrated-preparation and application methods of urea-formaldehyde (UF)-based multi-nutrient biodegradable polymeric slow-release (SR) liquid and granular fertilizersUNIV NORTH CHINA·Filed 2025·Granted Sep 30, 2025·0 cites·8 claims
- 3953US12354007B2Artificial intelligence (AI)-based method for non-contact measurement of sheet resistance of a conductive film materialUNIV NORTH CHINA·Filed 2025·Granted Jul 8, 2025·0 cites·10 claims
- 4051US2022388923A1Method for converting biodegradable polymers into humus with a low release amount of co2 and use thereofUNIV NORTH CHINA·Filed 2021·Application pending·0 cites
- 4150US12436144B2Method for evaluating reinforcement effect and efficiency of filler on natural rubber based on particle size of bound rubber particle formed by the filler and natural rubber latexUNIV NORTH CHINA·Filed 2025·Granted Oct 7, 2025·0 cites·7 claims
- 4250US12361184B2Thermal compensation design and implementation method for a near-net-shape (NNS) molding of thermoset composite part based on temperature field and curing degree fieldUNIV NORTH CHINA·Filed 2025·Granted Jul 15, 2025·0 cites·9 claims
- 4346US2025145801A1Method for preparing graphene-modified natural rubber with an interfacial interaction based on a free radical annihilation reactionUNIV NORTH CHINA·Filed 2025·Application pending·0 cites
- 4444US12359030B2Method for preparing uniformly-cured solid loading tires from high-modulus graphene oxide/natural rubber compositeUNIV NORTH CHINA·Filed 2025·Granted Jul 15, 2025·0 cites·8 claims
- 4541US9983160B2Electrode array and method for operating the electrode arrayMAYER DIRK·Filed 2012·Granted May 29, 2018·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →