P

Inventor

ZHAO GUIZHE

CN29 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO GUIZHE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV NORTH CHINA

28 patents
US10906843B2Feb 2, 2021

Extrusion granulated urea-formaldehyde-based multi-nutrient slow/controlled release fertilizer and preparation method thereof

UNIV NORTH CHINA2 citations72
US11732112B1Aug 22, 2023

Method of preparing graphene/natural rubber composite with enhanced mechanical properties, thermal conductivity, and wear resistance

UNIV NORTH CHINA4 citations71
US11970427B2Apr 30, 2024

Microelement amino acid chelate-urea formaldehyde slow-release fertilizer and method for preparing the same by reactive extrusion

UNIV NORTH CHINA2 citations70
US12434211B2Oct 7, 2025

Efficient and cost-effective method for preparing ultra-fine powdered natural rubber masterbatch with high graphene content and use thereof

UNIV NORTH CHINA0 citations62
US10865161B2Dec 15, 2020

Water-absorbing and water-retaining multi-nutrient biodegradable polymeric slow/controlled release fertilizer having a semi-interpenetrating network structure

UNIV NORTH CHINA1 citations62
US11597810B2Mar 7, 2023

Equipment and method for continuously preparing graphene powder directly dispersed in organic system

UNIV NORTH CHINA1 citations59
US11622483B2Apr 4, 2023

Gradient electrically conductive-uniform thermally conductive dual network structure-based electromagnetic shielding polymer composite with low reflection and high absorption

UNIV NORTH CHINA0 citations55
US12428354B2Sep 30, 2025

Method for preparing nitrogen-rich or nutritious slow-release fertilizer through in-situ straw modification/reactive extrusion integrated continuous process

UNIV NORTH CHINA0 citations51
US12098253B2Sep 24, 2024

Method 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 process

UNIV NORTH CHINA0 citations51
US11732078B2Aug 22, 2023

Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusion

UNIV NORTH CHINA0 citations51
US12516912B2Jan 6, 2026

Lightweight, ballistic and blast-resistant multi-phase composite armor material based on high-toughness heterogeneous interfacial layer and method for preparing the same

UNIV NORTH CHINA0 citations50
US12428355B2Sep 30, 2025

Integrated-preparation and application methods of urea-formaldehyde (UF)-based multi-nutrient biodegradable polymeric slow-release (SR) liquid and granular fertilizers

UNIV NORTH CHINA0 citations50
US12337582B2Jun 24, 2025

High-velocity impact-resistant wave-transparent composite with bio-inspired nacre-like interlaminar toughening structure, and preparation method thereof

UNIV NORTH CHINA0 citations50
US12110230B2Oct 8, 2024

Efficient microwave preparation method with one-step simultaneous reduction/embedding and application of metal monatomic-doped reduced graphene oxide dielectric material

UNIV NORTH CHINA0 citations50
US12486204B2Dec 2, 2025

Device 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 fertilizer

UNIV NORTH CHINA0 citations49
US12468068B2Nov 11, 2025

Carbon-based conductive film-based ultralight wide-angle absorbing metamaterial with full-frequency absorption within 2-18 GHz and preparation method thereof

UNIV NORTH CHINA0 citations49
US12443777B2Oct 14, 2025

Optimizing method for molding process of fiber-reinforced polymer composite parts

UNIV NORTH CHINA0 citations49
US12354007B2Jul 8, 2025

Artificial intelligence (AI)-based method for non-contact measurement of sheet resistance of a conductive film material

UNIV NORTH CHINA0 citations49
US12342519B2Jun 24, 2025

Lightweight absorption-transmission integrated metamaterial to electromagnetic waves with polarization stability and wide-incident-angle stability, and preparation method thereof

UNIV NORTH CHINA0 citations49
US12361184B2Jul 15, 2025

Thermal compensation design and implementation method for a near-net-shape (NNS) molding of thermoset composite part based on temperature field and curing degree field

UNIV NORTH CHINA0 citations48
US12325224B2Jun 10, 2025

Lightweight, low-thickness, durable and reliable multi-band radar stealth-bulletproof integrated metamaterial

UNIV NORTH CHINA0 citations48
US12180125B2Dec 31, 2024

Method for preparing weathered coal-derived humic acid/urea-formaldehyde slow-release fertilizer granules by reactive extrusion process with depolymerization-activation-polycondensation trinity and fertilization method

UNIV NORTH CHINA0 citations46
US11789005B2Oct 17, 2023

Device and method for determining degradation rate of biodegradable polymers in soil

UNIV NORTH CHINA0 citations46
US11745402B2Sep 5, 2023

High-precision and high-efficiency injection mold for high-aspect-ratio double-layer cylindrical plastic part and molding method using the same

UNIV NORTH CHINA0 citations46
US12436144B2Oct 7, 2025

Method 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 latex

UNIV NORTH CHINA0 citations45
US9051222B1Jun 9, 2015

Slow and controlled release polymeric sulfur fertilizer containing multiple nutrient elements and method for preparing the same

UNIV NORTH CHINA0 citations43
US12359037B2Jul 15, 2025

Vulcanizing agent-modified graphene prepared through an in-situ chemical deposition process, and controllable crosslinked natural rubber composite comprising the same

UNIV NORTH CHINA0 citations42
US12359030B2Jul 15, 2025

Method for preparing uniformly-cured solid loading tires from high-modulus graphene oxide/natural rubber composite

UNIV NORTH CHINA0 citations41

LIU YAQING

1 patent