Patents by Inventor Weijun Wang
Weijun Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11981638Abstract: Disclosed are a phenyl amino sodium propionate derivative, a preparation method therefor and an application thereof. Specifically, disclosed are sodium 3-(4-(2-(9H-carbazole-9-yl)ethoxy)phenyl)-2-((2-(4-(4-(2-sodium forrnate-2-((2-(4-fluorobenzoyl)phenyl)amino)ethyl)phenoxy)benzoyl)phenyl)amino)propionate, a preparation method therefor and the use thereof for quality control of a bulk drug or formulation of Chiglitazar or a derivative thereof. Particularly, the compound can be used as a control substance or standard substance for the detection of impurities/related substances in Chiglitazar or a sodium salt drug thereof.Type: GrantFiled: April 29, 2019Date of Patent: May 14, 2024Assignee: SHENZHEN CHIPSCREEN BIOSCIENCES CO., LTD.Inventors: Xianping Lu, Zhibin Li, Xianghui Wang, Weijun Gao, Xingyu Deng
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Patent number: 11973824Abstract: Disclosed is a method for data transmission of audio and video in an end-to-end system. The end-to-end system includes a client terminal, a device terminal, and a service terminal. The service terminal includes a management server, a register server and a transmission server. The method includes steps of: S1: adding the transmission server to the management server; S2: adding the device terminal to the management server; S3: starting and initializing the device terminal; S4: starting the client terminal and connecting the client terminal to the device terminal; S5: performing an overload processing in the transmission server; S6: performing an overload recovering in transmission server.Type: GrantFiled: January 12, 2023Date of Patent: April 30, 2024Assignee: SHANGHAI ANVIZ TECHNOLOGY CO., LTD.Inventors: Chenglin Qiu, Weijun Wang
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Patent number: 11952401Abstract: The present disclosure belongs to the technical field of biological products for veterinary medicine, and specifically relates to a recombinant foot-and-mouth disease virus (FMDV) with a reduced immunosuppressive activity, a preparation method and use thereof, and a recombinant vaccine strain. According to the present disclosure, it is firstly discovered that FMDV 3B protein has an immunosuppressive function, and key sites for exerting the immunosuppressive function are found. A recombinant FMDV vaccine strain with a lost immunosuppressive function in FMDV 3B protein is constructed by introducing amino acid mutations into three repeated copies of FMDV 3B protein.Type: GrantFiled: July 14, 2021Date of Patent: April 9, 2024Assignee: Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural SciencesInventors: Haixue Zheng, Fan Yang, Zixiang Zhu, Xiangle Zhang, Weijun Cao, Congcong Wang, Kangli Li, Huisheng Liu, Hong Tian, Keshan Zhang, Xiangtao Liu
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Publication number: 20240091749Abstract: A process for preparing a catalytic cracking catalyst includes steps of mixing raw materials including a rare earth-containing NaY molecular sieve obtained by contacting a NaY molecular sieve with a rare-earth salt solution or a mixed solution of rare-earth salt solution and ammonium salt solution, filtering, and water-washing, an inorganic oxide binder and a natural mineral, slurrying and shaping into shaped bodies; hydrothermally calcining shaped bodies in an atmosphere condition where a pressure is externally applied and an aqueous solution containing an acidic substance or an alkaline substance is externally added; and then ammonium-exchanging to remove the alkali metal. The present invention optimizes and shortens the preparation process of the catalyst, which can reduce the preparation cost, and the prepared catalyst has excellent heavy oil conversion ability, higher gasoline and diesel yield, lower coke selectivity, and relatively reduces the used amount of the molecular sieve in the catalyst.Type: ApplicationFiled: January 11, 2022Publication date: March 21, 2024Inventors: Yibin LUO, Chengqiang WANG, Weijun LIANG, Xingtian SHU, Jun LI, Enhui XING
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Publication number: 20240079234Abstract: A method of fabricating semiconducting tellurium (Te) nanomesh. The method includes the steps of preparing a substrate, vaporizing Te powders under a first temperature; and growing Te nanomesh on the substrate using the vaporized Te powders under a second temperature. The first temperature is higher than the second temperature. The rationally designed nanomesh exhibits exciting properties, such as micrometer-level patterning capacity, excellent field-effect hole mobility, fast photoresponse in the optical communication region, and controllable electronic structure of the mixed-dimensional heterojunctions.Type: ApplicationFiled: March 31, 2023Publication date: March 7, 2024Inventors: Johnny Chung Yin Ho, You Meng, Wei Wang, Weijun Wang
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Publication number: 20240072250Abstract: The disclosure provides a composite anode electrode material and a preparation method thereof, an anode electrode material and a lithium ion battery. The composite anode electrode material includes a defect-type transition metal oxide and a lithium titanate, wherein the lithium titanate is compounded with the defect-type transition metal oxide in the manner of coating and/or doping, the defect-type transition metal oxide is a secondary particle, and a transition metal element in the defect-type transition metal oxide is selected from any one of tungsten, yttrium and tin. The probability of a side reaction between the defect-type transition metal oxide and an electrolyte is greatly reduced and a volume expansion effect of an anode electrode of a battery in the process of deintercalating lithium ions is greatly reduced, thereby the lithium ion battery including the composite anode electrode material has a higher capacity retention rate after cycling.Type: ApplicationFiled: November 1, 2021Publication date: February 29, 2024Inventors: Xinpei XU, Weijun JIANG, Sixian CHEN, Xiaoxing ZHENG, Pengfei WANG, Zetao SHI
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Publication number: 20230411235Abstract: The present invention discloses an elastic heat spreader for chip packaging, a packaging structure and a packaging method. The heat spreader includes a top cover plate and a side cover plate that extends outward along an edge of the top cover plate, wherein the top cover plate is configured to be placed on a chip, and at least a partial region of the side cover plate is an elastic member; and the elastic member at least enables the side cover plate to be telescopic in a direction perpendicular to the top cover plate. According to the present invention, a following problem is solved: delamination between the heat spreader and a substrate as well as the chip due to stress generated by different thermal expansion coefficients of the substrate, the heat spreader and the chip in a packaging process of a large-size product.Type: ApplicationFiled: June 13, 2023Publication date: December 21, 2023Inventors: MAN BAO, WEIJUN WANG
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Publication number: 20230309591Abstract: A preparation method of a konjac granule includes the following steps: step 1: dissolving a konjac powder in hot water; step 2: subjecting a mixed solution obtained in step 1 to sterilization; step 3: conducting enzymatic hydrolysis at 50° C. to 70° C. for 2 h to 6 h; step 4: conducting enzymatic inactivation; step 5: conducting homogenization at 10 Mpa to 45 Mpa; step 6: adding a fully-dissolved sodium alginate solution and a flavor-modulating substance to a mixed solution obtained in step 5, and thoroughly mixing; and step 7: calcification and gelation: adding a calcium solution to a mixed solution obtained in step 6 for gelation to obtain the konjac granule. The preparation method improves the compactness of the konjac granule, increases a gel strength, and is conducive to extending a shelf life of a product.Type: ApplicationFiled: August 10, 2021Publication date: October 5, 2023Applicant: ZHEJIANG LIZIYUAN FOOD CO., LTD.Inventors: Shunyu WANG, Chengli FU, Jianxin HE, Songyou ZHENG, Weijun WANG, Wenxiu ZHU, Zhongjun SU, Guoping LI
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Publication number: 20230144294Abstract: Disclosed is a method for data transmission of audio and video in an end-to-end system. The end-to-end system includes a client terminal, a device terminal, and a service terminal. The service terminal includes a management server, a register server and a transmission server. The method includes steps of: S1: adding the transmission server to the management server; S2: adding the device terminal to the management server; S3: starting and initializing the device terminal; S4: starting the client terminal and connecting the client terminal to the device terminal; S5: performing an overload processing in the transmission server; S6: performing an overload recovering in transmission server.Type: ApplicationFiled: January 12, 2023Publication date: May 11, 2023Inventors: Chenglin QIU, Weijun WANG
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Patent number: 11610729Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.Type: GrantFiled: March 31, 2020Date of Patent: March 21, 2023Assignee: Delta Electronics (Shanghai) CO., LTDInventors: Yong Zeng, Jianxing Dong, Qiang Wang, Weijun Wang, Teng Liu
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Patent number: 11610717Abstract: A potting box for assembling a transformer comprises an inner wall and an outer wall. The inner wall is sleeved in the outer wall. A bottom plate connected to a bottom portion of the inner wall and a bottom portion of the outer wall to form a potting space for accommodating a first winding and a second winding. An inner side of the outer wall comprises a first support portion for supporting the first winding and an outer side of the inner wall comprises a second support portion for supporting the second winding. An iron core of the transformer penetrates through an inner side of the inner wall.Type: GrantFiled: March 31, 2020Date of Patent: March 21, 2023Assignee: Delta Electronics (Shanghai) CO., LTDInventors: Yong Zeng, Jianxing Dong, Qiang Wang, Teng Liu, Weijun Wang
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Patent number: 11574772Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.Type: GrantFiled: March 31, 2020Date of Patent: February 7, 2023Assignee: Delta Electronics (Shanghai) CO., LTDInventors: Yong Zeng, Jianxing Dong, Qiang Wang, Weijun Wang, Teng Liu
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Publication number: 20220333571Abstract: A wave energy absorption and conversion device and a power generation system includes a floating body, a guiding shaft, a damping plate and a counteracting mechanism placed in a movement range of the damping plate. The guiding shaft is connected to the bottom of the floating body and passes through the center of the damping plate. The damping plate may slide on the guiding shaft. A counterforce generated by the counteracting mechanism is opposite to a natural moving direction of the damping plate, so that the damping plate can be kept in a relatively static state under a synergistic effect of the counteracting mechanism, and thereby, colliding of damping plate with constraint structures above and below can be prevented when floating body is moving up and down following waves. The power generation system includes the wave energy absorption and conversion device and a power generation system.Type: ApplicationFiled: August 27, 2020Publication date: October 20, 2022Inventors: Weijun WANG, Bin LI
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Publication number: 20220287986Abstract: A method of inducing blood-brain barrier (BBB) opening of for delivery of a non-BBB permeable substance to a subject includes the steps of: administering an ethyl alcohol at 0.015%-5% v/v into a blood stream of the subject via intra-arterial injection, intracardiac injection, or intra-arterial injection guided by ultrasound, wherein said ethyl alcohol reaches a brain of the subject to induce opening of blood-brain barrier so that the non-BBB permeable substance is capable of penetrating the blood-brain barrier to reach the brain of the subject. The non-BBB substance includes a therapeutic agent, a diagnostic agent, or a prophylactic agent. The use of low concentration of ethyl alcohol can induce a temporary BBB opening within 240 minutes after administration so that the non-BBB substance can be deliver to the brain during the time frame of BBB opening. Since ethyl alcohol is water soluble, the non-BBB substance can also be administered concurrently.Type: ApplicationFiled: March 8, 2022Publication date: September 15, 2022Inventor: Weijun WANG
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Publication number: 20220059402Abstract: The present invention discloses a formation method, comprising: forming a hard mask layer and a photo-lithographic pattern of a fin structure on a the semiconductor substrate; patterning the hard mask layer and the semiconductor substrate to gain the fin structure with a profile of steep sidewalls; forming a protective layer on the sidewall surface of the fin structure; etching the semiconductor substrate located below the fin structure to form isolation structure trenches; performing a modified treatment on the exposed surfaces of the isolation structure trenches to form a modified layer with a certain thickness; removing the protective layer and the modified layer simultaneously; filling a dielectric layer in the isolation structure trenches till to cover the fin structure and then planarizing the dielectric layer; performing a trench etching to the dielectric layer and forming the fin structure and an isolation structure with sloped sidewalls.Type: ApplicationFiled: September 6, 2019Publication date: February 24, 2022Inventors: Weijun WANG, Hong LIN
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Patent number: 11254793Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a thermosetting resin mixture and a fiber material component of a heat resistant fiber, such as carbon fiber, having an areal weight of from 500 to 3,000 g/m2 having a coating of from 0.5 to 4 phr of a latent, particulate curative or solid curative, preferably, dicyandiamide, wherein the prepregs are infused with a thermosetting resin mixture comprising (a) at least one liquid epoxy resin, and (b) a hardener and/or a catalyst, as well as methods of making the same. The prepregs of present invention enables the simple provision of lightweight composites having consistent resin cure throughout.Type: GrantFiled: August 30, 2017Date of Patent: February 22, 2022Assignee: Dow Global Technologies LLCInventors: David H. Bank, Richard Baumer, Kevin J. Bouck, Jun Cai, Marsha L. Langhorst, Abhijit A. Namjoshi, Weijun Wang
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Patent number: 11157814Abstract: The present disclosure provides systems and methods to reduce computational costs associated with convolutional neural networks. In addition, the present disclosure provides a class of efficient models termed “MobileNets” for mobile and embedded vision applications. MobileNets are based on a straight-forward architecture that uses depthwise separable convolutions to build light weight deep neural networks. The present disclosure further provides two global hyper-parameters that efficiently trade-off between latency and accuracy. These hyper-parameters allow the entity building the model to select the appropriately sized model for the particular application based on the constraints of the problem. MobileNets and associated computational cost reduction techniques are effective across a wide range of applications and use cases.Type: GrantFiled: September 18, 2017Date of Patent: October 26, 2021Assignee: Google LLCInventors: Andrew Gerald Howard, Bo Chen, Dmitry Kalenichenko, Tobias Christoph Weyand, Menglong Zhu, Marco Andreetto, Weijun Wang
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Patent number: 11157815Abstract: The present disclosure provides systems and methods to reduce computational costs associated with convolutional neural networks. In addition, the present disclosure provides a class of efficient models termed “MobileNets” for mobile and embedded vision applications. MobileNets are based on a straight-forward architecture that uses depthwise separable convolutions to build light weight deep neural networks. The present disclosure further provides two global hyper-parameters that efficiently trade-off between latency and accuracy. These hyper-parameters allow the entity building the model to select the appropriately sized model for the particular application based on the constraints of the problem. MobileNets and associated computational cost reduction techniques are effective across a wide range of applications and use cases.Type: GrantFiled: July 29, 2019Date of Patent: October 26, 2021Assignee: Google LLCInventors: Andrew Gerald Howard, Bo Chen, Dmitry Kalenichenko, Tobias Christoph Weyand, Menglong Zhu, Marco Andreetto, Weijun Wang
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Publication number: 20210292499Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a thermosetting resin mixture and a fiber material component of a heat resistant fiber, such as carbon fiber, having an areal weight of from 500 to 3,000 g/m2 having a coating of from 0.5 to 4 phr of a latent, particulate curative or solid curative, preferably, dicyandiamide, wherein the prepregs are infused with a thermosetting resin mixture comprising (a) at least one liquid epoxy resin, and (b) a hardener and/or a catalyst, as well as methods of making the same. The prepregs of present invention enables the simple provision of lightweight composites having consistent resin cure throughout.Type: ApplicationFiled: August 30, 2017Publication date: September 23, 2021Inventors: David H. Bank, Richard Baumer, Kevin J. Bouck, Jun Cai, Marsha L. Langhorst, Abhijit A. Namjoshi, Weijun Wang
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Publication number: 20200312547Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.Type: ApplicationFiled: March 31, 2020Publication date: October 1, 2020Applicant: Delta Electronics (Shanghai) CO., LTDInventors: Yong ZENG, Jianxing DONG, Qiang WANG, Weijun WANG, Teng LIU