Patents by Inventor Weiwei Zhou
Weiwei Zhou 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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Publication number: 20250087404Abstract: Structures, devices, and methods for wireless power transfer systems are described. A structure can include a plurality of strands arranged into a first coil layer and a second coil layer. The plurality of strands can be formed on a parallel path surrounding a center of the structure. The plurality of strands can extend away from the center on the first coil layer. The plurality of strands can extend towards the center on the second coil layer. For every fixed interval along a length of the structure, a first strand among the plurality of strands can be looped from the first coil layer to the second coil layer and a second strand among the plurality of strands can be looped from the second coil layer to the first coil layer.Type: ApplicationFiled: February 3, 2023Publication date: March 13, 2025Applicant: Renesas Electronics America Inc.Inventors: Sheng Yuan, Shangfeng Jiang, Weiwei Zhou, Jiangjian Huang, Bo Tang
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Publication number: 20250079069Abstract: Structures, devices, and methods for wireless power transfer systems are described. A structure can include a plurality of strands a plurality arranged into a coil layer. For every fixed interval along a length of the structure, the plurality of strands can be folded at a lateral angle and vertically inverted in response to being folded at the lateral angle. The plurality of strands being folded can cause the plurality of strands to surround a center of the structure in a parallel path.Type: ApplicationFiled: February 3, 2023Publication date: March 6, 2025Applicant: Renesas Electronics America Inc.Inventors: Sheng Yuan, Shangfeng Jiang, Weiwei Zhou, Jiangjian Huang, Bo Tang, Hulong Zeng
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Patent number: 12220685Abstract: The present invention relates to the field of solid-phase extraction, and particularly to a solid-phase extraction material, and a preparation method and use thereof. The preparation method includes prepolymerizing the monomers N-vinylpyrrolidone and divinylbenzene in the presence of a chain transfer agent, adding prepolymer dropwise to an emulsion of monodispersed seed microspheres, swelling, and reacting to prepare white spheres; and functionalizing the white spheres, to obtain the solid-phase extraction material. The solid-phase extraction material prepared by the reaction has good spherical morphology, large specific surface area, and high ion exchange capacity. The prepared solid-phase extraction material functions in the separation and enrichment of PPCPs by means of a variety of forces with a high extraction rate. The extraction rate is basically maintained between 85% and 105%, and acidic, alkaline, neutral and amphoteric substances is capable of being selectively separated.Type: GrantFiled: May 6, 2022Date of Patent: February 11, 2025Assignee: NANJING UNIVERSITYInventors: Qing Zhou, Ziang Zhang, Junxia Chen, Yurong Chen, Chongtian Lei, Ranqiu Wang, Weiwei Zhou, Libin Zhang
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Publication number: 20240260768Abstract: This invention has fundamentally rewritten the technological history of electric heating blanket. The main body of this new type of electric heating blanket provided by this invention does not contain wires with metal components, it completely eradicates the phenomenon of contact sparking, burning, and conflagration disasters caused by the fracture of wires with metal components due to stretching and folding during usage. This new type of electric heating blanket does not contain wires with metal components, which can conserve metal resources. This new type of electric heating blanket operates at a voltage of 24 volts, which is consistent with the international standard for safe voltage. It will never cause injury to humanity due to electric shock during the use of this new type of electric heating blanket. The main body of this electric heating blanket can be washed by hand or in a washing machine since it does not contain wires with metal components.Type: ApplicationFiled: August 16, 2022Publication date: August 8, 2024Inventors: Guangshan BIAN, Weiwei ZHOU, Xite BIAN, Shufen BIAN
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Publication number: 20240207815Abstract: The present invention relates to the field of solid-phase extraction, and particularly to a solid-phase extraction material, and a preparation method and use thereof. The preparation method includes prepolymerizing the monomers N-vinylpyrrolidone and divinylbenzene in the presence of a chain transfer agent, adding prepolymer dropwise to an emulsion of monodispersed seed microspheres, swelling, and reacting to prepare white spheres; and functionalizing the white spheres, to obtain the solid-phase extraction material. The solid-phase extraction material prepared by the reaction has good spherical morphology, large specific surface area, and high ion exchange capacity. The prepared solid-phase extraction material functions in the separation and enrichment of PPCPs by means of a variety of forces with a high extraction rate. The extraction rate is basically maintained between 85% and 105%, and acidic, alkaline, neutral and amphoteric substances is capable of being selectively separated.Type: ApplicationFiled: May 6, 2022Publication date: June 27, 2024Inventors: Qing ZHOU, Ziang ZHANG, Junxia CHEN, Yurong CHEN, Chongtian LEI, Ranqiu WANG, Weiwei ZHOU, Libin ZHANG
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Publication number: 20240212844Abstract: A chronic pain Internet plus management platform is provided to perform file management for patients with chronic diseases by taking multi-dimension and multi-level information about patients as a starting point for chronic disease diagnosis, taking respective hospitals and home personal mobile devices as an information collecting media and integrating with an Internet chronic disease cloud database, thereby realizing AI-assisted screening, and intelligent analysis and prediction of health risks. Anew mode for chronic pain management is established by the new generation of information technology, such as mobile Internet, cloud computing and big data; meanwhile, self-management of the patient is assisted by the mode for chronic pain management to improve prognosis of chronic pain.Type: ApplicationFiled: June 24, 2022Publication date: June 27, 2024Applicant: Affiliated Hospital of Nantong UniversityInventors: Xiang ZHU, Chenlu JIANG, Jiacheng ZHAO, Yibin QIN, Xiaqing MA, Cuie LU, Qiang GU, Weiwei ZHOU, Can ZHOU, Jiapei CAI, Zhusheng CHEN, Ming LI
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Publication number: 20240204566Abstract: Apparatuses including a coil and methods of forming the coil are described. The coil can include a first coil layer including at least an inner strand and an outer strand. The coil can further include a second coil layer including at least an inner strand and an outer strand. The inner strand of the first coil layer can be connected to the outer strand of the second coil layer. The outer strand of the first coil layer can be connected to the inner strand of the second coil layer.Type: ApplicationFiled: July 21, 2022Publication date: June 20, 2024Applicant: Renesas Electronics America Inc.Inventors: Sheng Yuan, Jiangjian Huang, Shangfeng Jiang, Weiwei Zhou
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Publication number: 20230390729Abstract: A homogeneous polymer sphere synthesis device based on channel prepolymerization comprises a jet vibrator, a spiral prepolymerization channel, a reactor and a water phase circulating system; two ends of the water phase circulating system are connected to the reactor and the spiral prepolymerization channel through pipes, respectively; the jet vibrator comprises a jet oil phase tank, a jet micropore plate and a vibration exciter for outputting vibration; the jet micropore plate is arranged in the jet oil phase tank; an outlet end of the spiral prepolymerization channel is connected to the reactor, while an inlet end thereof is connected to the jet oil phase tank.Type: ApplicationFiled: December 30, 2022Publication date: December 7, 2023Inventors: Chendong SHUANG, Dong CHEN, Kaiwen ZHONG, Ziwei ZHANG, Hongyu YANG, Weiwei ZHOU, Aimin LI
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Publication number: 20230069922Abstract: The present invention discloses a glass material, and a preparation method and a product thereof. The glass material contains a lithium salt crystalline phase and a phosphate crystalline phase. For the entire material, the crystallinity is 40-95%, the lithium salt crystalline phase accounts for 40-90 wt % of the entire material, and the phosphate crystalline phase accounts for 2-15 wt % of the entire material, wherein the lithium salt crystalline phase is one or more of lithium silicate, lithium disilicate and petalite, and the phosphate crystalline phase is aluminum phosphate or/and aluminum metaphosphate. After the glass material of the present invention is toughened, the Vickers hardness (Hv) is 900 kgf/mm2 or above. The glass material or a substrate of the present invention is suitable for protective members such as mobile terminal equipment and optical equipment and has high hardness and strength.Type: ApplicationFiled: April 21, 2021Publication date: March 9, 2023Inventors: Weiwei ZHOU, Fujun ZHANG, Qihang TIAN, Jihong ZHANG
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Patent number: 11517212Abstract: An electrocardiogram information dynamic monitoring method and dynamic monitoring system.Type: GrantFiled: April 18, 2018Date of Patent: December 6, 2022Assignee: Shanghai Lepu CloudMed Co., LtdInventors: Jun Cao, Chang Liu, Weiwei Zhou, Hongbo Xin, Yan Jiang, Zhe Li, Liang Tian
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Patent number: 11253204Abstract: A method for assessing electrocardiogram signal quality, the method comprising: receiving heart beat analysis data by processing electrocardiogram data acquired from an electrocardiogram monitoring device; extracting position information and width information of a QRS complex in the heart beat analysis data; extracting an RR interval signal between two adjacent QRS complex signals; performing QRS complex signal cancellation processing on the RR interval signal to obtain an RR interval signal for which the QRS complex signal is removed; filtering the processed RR interval signal without the QRS complex signal, and performing envelope calculation on the filtered signal to obtain the average power of a noise signal of the RR interval signal for which the QRS complex signal is removed; obtaining a signal quality evaluation index according to the average power of the noise signal and the power of the QRS complex signal.Type: GrantFiled: January 12, 2018Date of Patent: February 22, 2022Assignee: Shanghai Lepu CloudMed Co., LTD.Inventors: Zifang Zhao, Zhe Li, Yue Zhang, Weiwei Zhou, Huili Cao, Chang Liu
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Patent number: 11234629Abstract: A self-learning dynamic electrocardiography analysis method employing artificial intelligence. The method comprises: pre-processing data, performing cardiac activity feature detection, interference signal detection and cardiac activity classification on the basis of a deep learning method, performing signal quality evaluation and lead combination, examining cardiac activity, performing analytic computations on an electrocardiogram event and parameters, and then automatically outputting report data. The method achieves an automatic analysis method for a quick and comprehensive dynamic electrocardiography process, and recording of modification information of an automatic analysis result, while also collecting and feeding back modification data to a deep learning model for continuous training, thereby continuously improving and enhancing the accuracy of the automatic analysis method. Also disclosed is a self-learning dynamic electrocardiography analysis device employing artificial intelligence.Type: GrantFiled: January 12, 2018Date of Patent: February 1, 2022Assignee: Shanghai Lepu CloudMed Co., LTD.Inventors: Chang Liu, Chuanyan Hu, Weiwei Zhou, Haitao Lu, Jiayu Wang, Jun Cao
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Publication number: 20210369131Abstract: An electrocardiogram information dynamic monitoring method and dynamic monitoring system.Type: ApplicationFiled: April 18, 2018Publication date: December 2, 2021Inventors: Jun Cao, Chang Liu, Weiwei Zhou, Hongbo Xin, Yan Jiang, Lin Zhe, Liang Tian
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Publication number: 20210068788Abstract: Various systems are provided for an ultrasound imaging device. In one example, a method comprises instructing a user a location to which to navigate an ultrasound probe in one or more of a horizontal plane and a vertical plane based on a previously acquired first image at a first anatomical location while acquiring a second image at a second, different anatomical location and automatically joining the first and second images together.Type: ApplicationFiled: September 10, 2019Publication date: March 11, 2021Inventors: Jiajiu Yang, Dongwei Wang, Rong Li, Yi Wang, Weiwei Zhou
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Publication number: 20200260980Abstract: A self-learning dynamic electrocardiography analysis method employing artificial intelligence. The method comprises: pre-processing data, performing cardiac activity feature detection, interference signal detection and cardiac activity classification on the basis of a deep learning method, performing signal quality evaluation and lead combination, examining cardiac activity, performing analytic computations on an electrocardiogram event and parameters, and then automatically outputting report data. The method achieves an automatic analysis method for a quick and comprehensive dynamic electrocardiography process, and recording of modification information of an automatic analysis result, while also collecting and feeding back modification data to a deep learning model for continuous training, thereby continuously improving and enhancing the accuracy of the automatic analysis method. Also disclosed is a self-learning dynamic electrocardiography analysis device employing artificial intelligence.Type: ApplicationFiled: January 12, 2018Publication date: August 20, 2020Inventors: Chang Liu, Chuanyan Hu, Weiwei Zhou, Haitao Lu, Jiayu Wang, Jun Cao
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Publication number: 20200123007Abstract: The present invention discloses compositions and methods for generating engineered catalysts and synthesizing semiconducting single wall carbon nanotubes using the catalysts Carbon nanotubes (CNTs). The CNTS are either metallic or semiconducting, with diameters controlled by an engineered catalyst to selectively synthesizes the semiconducting CNT. The engineered catalyst consists of two types of metals, a high melting point metal and an active transition metal. Each of the metals remains solid state during a growth of semiconducting CNTs, and each is present as nanoparticles, having sizes between 0.5 nm and 10 nm. The ratio of the high melting point metal with respect to the active transition metal is preferably between 1:0.25 and 1:10.Type: ApplicationFiled: October 23, 2019Publication date: April 23, 2020Inventors: Dawei Wang, Weiwei Zhou, Mark Chapman
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Patent number: 10625311Abstract: The present disclosure provides a cache device and a LCD screen production line. The cache device provided by the present disclosure includes an outer frame having an opening for picking and placing cached items on a first side wall thereof and a support bracket for horizontally supporting cached items therein; and first blowing means disposed on the second side wall of the outer frame for blowing air toward the opening; second blowing means disposed on the third side wall or the fourth side wall of the outer frame; an exhaust means disposed on a fourth side wall opposite to the third side wall of the frame.Type: GrantFiled: August 24, 2017Date of Patent: April 21, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao Liu, Qingshuang Ren, Erfeng Shen, Tae Hyuck Yoon, Aihua Lei, Han Yan, Xingming Hu, Rubao Bi, Chaomou Dai, Shengwang Dong, Xiaofu Wu, Weiwei Zhou, Dongdong Zhang, Jinming Li
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Publication number: 20200107786Abstract: A method for assessing electrocardiogram signal quality, the method comprising: receiving heartbeat analysis data by processing electrocardiogram data acquired from an electrocardiogram monitoring device; extracting position information and width information of a QRS complex in the heartbeat analysis data; extracting an RR interval signal between two adjacent QRS complex signals; performing QRS complex signal cancellation processing on the RR interval signal to obtain an RR interval signal for which the QRS complex signal is removed; filtering the processed RR interval signal without the QRS complex signal, and performing envelope calculation on the filtered signal to obtain the average power of a noise signal of the RR interval signal for which the QRS complex signal is removed; obtaining a signal quality evaluation index according to the average power of the noise signal and the power of the QRS complex signal.Type: ApplicationFiled: January 12, 2018Publication date: April 9, 2020Inventors: Zifang Zhao, Zhe Li, Yue Zhang, Weiwei Zhou, Huili Cao, Chang Liu
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Patent number: 10604599Abstract: A method for green synthesis of uniform- and large-particle-size polystyrene particles, comprising steps of: prepolymerizing styrene at 70? to 75? for 1 h to 6 h in advance while stirring, adding divinylbenzene dissolved with initiators to the styrene, and stirring for 10 min to 30 min to obtain oil phase; heating lactic acid or an aqueous solution of lactic acid to 70? to 80?, adding the oil phase to dispersed phase by a constant-pressure device, maintaining the temperature for 2 h, heating to 80±5? and then maintaining the temperature for 1 h, and heating to 85±5? and then maintaining the temperature for 3 h to 6 h, to obtain polystyrene particles with a uniform particle size ranging from 0.7 mm to 2.0 mm.Type: GrantFiled: May 29, 2018Date of Patent: March 31, 2020Assignees: Nanjing University, Nanjing University & Yancheng Academy of Environmental Protection Technology and EngineeringInventors: Chendong Shuang, Weiwei Zhou, Yunshu Wang, Aimin Li, Qimeng Li, Lili Liu, Wei Wang, Yi Zhang
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Publication number: 20190367645Abstract: A method for green synthesis of uniform- and large-particle-size polystyrene particles, comprising steps of: prepolymerizing styrene at 70? to 75? for 1 h to 6 h in advance while stirring, adding divinylbenzene dissolved with initiators to the styrene, and stirring for 10 min to 30 min to obtain oil phase; heating lactic acid or an aqueous solution of lactic acid to 70? to 80?, adding the oil phase to dispersed phase by a constant-pressure device, maintaining the temperature for 2 h, heating to 80±5? and then maintaining the temperature for 1 h, and heating to 85±5? and then maintaining the temperature for 3 h to 6 h, to obtain polystyrene particles with a uniform particle size ranging from 0.7 mm to 2.0 mm.Type: ApplicationFiled: May 29, 2018Publication date: December 5, 2019Inventors: Chendong SHUANG, Weiwei ZHOU, Yunshu WANG, Aimin LI, Qimeng LI, Lili LIU, Wei WANG, Yi ZHANG