Patents by Inventor Qian Xu
Qian Xu 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: 11975985Abstract: Disclosed are a functional material for synchronously stabilizing multiple metals and a preparation method thereof, and a method for rehabilitating soil or wastewater contaminated by heavy metals (metalloids). The preparation method includes: mixing a ferrous salt, a ferric salt, a manganous salt, water, a dispersing material, and a phosphate to obtain a first mixture, and subjecting the first mixture to a first precipitation reaction to obtain a first reaction mixture containing the phosphate; adjusting a pH value of the first reaction mixture containing the phosphate to 10-12 by adding an alkali thereto to obtain a second mixture, subjecting the second mixture to a second precipitation reaction to obtain a second reaction mixture; and subjecting the second reaction mixture to a solid-liquid separation to obtain a solid, washing the solid, and drying to obtain the functional material for synchronously stabilizing multiple metals.Type: GrantFiled: April 25, 2022Date of Patent: May 7, 2024Assignee: CENTRAL SOUTH UNIVERSITYInventors: Qian Li, Rui Xu, Shengming Jin, Tao Jiang
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TUNNEL OXIDE LAYER, N-TYPE BIFACIAL CRYSTALLINE SILICON SOLAR CELL AND METHOD FOR MANUFACTURING SAME
Publication number: 20240145610Abstract: A tunnel oxide layer, an N-type bifacial crystalline silicon solar cell and a method for manufacturing the same are provided. The method for manufacturing the tunnel oxide layer includes forming excess -OH on a back side of a silicon wafer, and depositing the tunnel oxide layer on the back side of the silicon wafer by a Plasma Enhanced Atomic Layer Deposition method. The method for manufacturing the N-type bifacial crystalline silicon solar cell can include following steps: performing cleaning, texturing, boron diffusing, and alkaline polishing on an N-type silicon wafer, sequentially forming a P-type doped layer, a passivation layer, and an anti-reflection layer on a front side of the alkaline-polished N-type silicon wafer, and forming a tunnel oxide layer on a back side of the alkaline-polished N-type silicon wafer, followed by forming an N-type doped polysilicon layer, and after annealing, forming an anti-reflection layer.Type: ApplicationFiled: July 27, 2022Publication date: May 2, 2024Inventors: Ming ZHANG, Xiajie MENG, Wenzhou XU, Hao CHEN, Mingzhang DENG, Guoqiang XING, Qian YAO -
Patent number: 11974482Abstract: A display substrate and related devices are provided. The display substrate includes a plurality of first sub-pixels, second sub-pixels and third sub-pixels. In a first direction, the first sub-pixels and the third sub-pixels are arranged alternately to form a plurality of first sub-pixel rows, the second sub-pixels form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are arranged alternately in a second direction, connection lines of center points of two first sub-pixels and two third sub-pixels form a first virtual quadrilateral, the two first sub-pixels are located at two vertex angles of the first virtual quadrilateral which are opposite to each other, one second sub-pixel is located within the first virtual quadrilateral, and the first virtual quadrilateral includes two interior angles each being equal to 90° and two interior angles each being not equal to 90°.Type: GrantFiled: November 30, 2020Date of Patent: April 30, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Xu, Tong Niu, Yan Huang, Guomeng Zhang, Chang Luo, Jianpeng Wu, Peng Xu, Fengli Ji, Yi Zhang, Benlian Wang, Ming Hu
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Patent number: 11971108Abstract: A rotary valve of a cryocooler includes a valve stator, a valve rotor, a rotation member that rotates the valve rotor around an axis with respect to the valve stator, and a rotor holder connected to the valve rotor so as to rotate around an axis together with the valve rotor, and forming a low pressure section having a pressure lower than an ambient pressure between the valve rotor and the rotor holder so as to reduce an axial force of pressing the valve rotor against the valve stator. The rotation member is connected to the rotor holder so as to rotate the valve rotor around the axis via the rotor holder. The rotor holder is disposed between the rotation member and the valve rotor in an axial direction, and is movable in the axial direction with respect to the rotation member.Type: GrantFiled: November 9, 2020Date of Patent: April 30, 2024Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Mingyao Xu, Qian Bao
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Publication number: 20240138222Abstract: The present disclosure provides a display substrate and a display apparatus, belongs to the field of display technology, and at least partially solves one existing technical problem. The display substrate includes a base substrate, and sub-pixels in an array at intervals on the base substrate; wherein the adjacent sub-pixels are provided with a spacer region therebetween; the spacer region includes a first spacer region having a functional position, and a second spacer region having no functional position; at least some functional positions are provided with functional parts; and a width of the first spacer region between two adjacent sub-pixels arranged along the first direction or the second direction is greater than that of the second spacer region between two adjacent sub-pixels arranged along the same direction; wherein a width of the spacer region is equal to a shortest distance between boundaries of the two sub-pixels corresponding to the spacer region.Type: ApplicationFiled: August 23, 2022Publication date: April 25, 2024Inventors: Xiaonan LIU, Jun LI, Changsoon JI, Tinghua SHANG, Qian XU
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Publication number: 20240123058Abstract: Provided are an epitope peptide (or a variant thereof) that can be used for preventing or treating an EBV infection, a recombinant protein containing the epitope peptide (or variant thereof) and a carrier protein, and the use of the epitope peptide (or variant thereof) and the recombinant protein. Further provided are an antibody against the epitope peptide, and the use thereof in the detection, prevention and/or treatment of an EBV infection and/or diseases caused by the infection.Type: ApplicationFiled: January 29, 2022Publication date: April 18, 2024Inventors: Yixin CHEN, Xiao ZHANG, Junping HONG, Miao XU, Qian WU, Ling ZHONG, Ningshao XIA
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Patent number: 11957197Abstract: A composite item of footwear and handwear having a main body to accommodate the hand/foot of a wearer of the item, the main body comprising an outer layer, an inner layer and a waterproof and breathable intermediate layer between the outer and inner layers, and an opening through which a foot/hand can be inserted, the opening defined by a cuff arrangement comprising a cuff region that comprises an end region of each of the inner and intermediate layers and a cuff inner portion of the outer layer that extends beyond the said end regions, the cuff arrangement further comprising a waterproof cuff band fixed to one or both of the cuff inner portion and end region of the inner layer to lie over and be fixed to the outside of the outer layer, the location at which the waterproof cuff band is fixed to the outer layer is at a distance from the opening that is greater than the distance between the opening and the location at which the waterproof cuff band is fixed to the cuff inner portion or end region of the inner lType: GrantFiled: March 23, 2023Date of Patent: April 16, 2024Assignee: Shanghai Uniwise International Co LimitedInventor: Qian Xu
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Publication number: 20240119337Abstract: The present disclosure describes various methods, systems, and storage medium for engineering fast bias-preserving gates on stabilized cat qubits. One method for performing a quantum operation on a qubit using a noise-bias-preserving (NBP) quantum gate includes obtaining and stabilizing the qubit; determining a type of the NBP quantum gate associated with the quantum operation, according to type of the NBP quantum gate, the quantum operation on the qubit to obtain a modified qubit, the quantum operation comprising a base gate drive and a counterdiabatic (CD) control drive. Another method for stabilizing a qubit for quantum storage includes obtaining a qubit; in response to the qubit being in an idle state, applying a two-photon dissipation operation on the qubit to stabilize the qubit, the two-photon dissipation operation corresponding to a two-photon drive.Type: ApplicationFiled: January 14, 2022Publication date: April 11, 2024Applicant: The University of ChicagoInventors: Qian XU, LIANG JIANG
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Patent number: 11954905Abstract: An example system includes: a landmark detection engine to detect landmark positions of landmarks in images based on facial detection; an optical flow landmark engine to determine the landmark positions in the images based on optical flow of the landmarks between the images; a landmark difference engine to determine, for a landmark in a given image: a distance between a detected landmark position and an optical flow landmark position of the landmark; and a weighted landmark determination engine to determine, for a first and second image, a position for the landmark in the second image based on: a respective detected landmark position and a respective optical flow position of the landmark in the second image; and respective distances, determined with the landmark difference engine, between a first detected landmark position of the landmark in the first image and respective optical flow landmark positions for the first and second images.Type: GrantFiled: June 28, 2019Date of Patent: April 9, 2024Assignees: Hewlett-Packard Development Company, L.P., Purdue Research FoundationInventors: Yang Cheng, Xiaoyu Xiang, Shaoyuan Xu, Qian Lin, Jan Philip Allebach
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Publication number: 20240110047Abstract: Aqueous dispersions and uses for the same. The aqueous dispersion includes a component (a) of one or more ethylene-vinyl ester copolymers, a component (b) of one or more protective colloids, a component (el) of one or more nonionic surfactants, and a component (d) of one or more dispersants, selected from polycarboxylates. Where an amount of the component (b) and the component (c1) is less than or equal to 3.4 pphm, preferably between 1-3.4 pphm, more preferably between 2-3.1 pphm. Where the weight ratio of an amount of the component (b) to the component (el) is between 1.01-2 and an amount of the component (d) is less than or equal to 1 pphm. The component (b) is polyvinyl alcohol (PVOH).Type: ApplicationFiled: December 30, 2020Publication date: April 4, 2024Applicant: Wacker Chemie AGInventors: Jin Zheng, Qian Chen, Jie Xu, Jiaxiang Zhou
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Publication number: 20240104742Abstract: In examples, an electronic device is provided. The electronic device includes a processor to receive an input image from an image sensor. The processor is also to scale a size of the input image to a programmed size. The processor is also to encode the scaled input image to provide a feature map having a fractional size of the scaled input image. The processor is also to process the feature map according to lite reduced atrous spatial pyramid pooling (LR-ASPP) to provide a LR-ASPP result. The processor is also to decode the LR-ASPP result to provide an image segmentation result.Type: ApplicationFiled: September 16, 2022Publication date: March 28, 2024Inventors: Weichen XU, Yezhi SHEN, Qian LIN, Jan P. ALLEBACH, Fengqing ZHU
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Patent number: 11942969Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.Type: GrantFiled: April 25, 2023Date of Patent: March 26, 2024Assignee: INTERDIGITAL MADISON PATENT HOLDINGS, SASInventors: Xiaoan Lu, Joel Sole, Peng Yin, Qian Xu, Yunfei Zheng
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Publication number: 20240092884Abstract: An anti-ANGPTL3 antibody or an antigen-binding fragment thereof. The present invention provides an anti-ANGPTL3 antibody or an antigen-binding fragment thereof, wherein a heavy chain variable region includes complementarity determining regions (CDRs), including CDR-H1 having an amino acid sequence as set forth in SEQ ID No. 1, CDR-H2 having an amino acid sequence as set forth in SEQ ID No. 2, and CDR-H3 having an amino acid sequence as set forth in SEQ ID No. 3; and the CDRs of a light chain variable region includes CDR-L1 having an amino acid sequence as set forth in SEQ ID No. 4, CDR-L2 having an amino acid sequence as set forth in SEQ ID No. 5, and CDR-L3 having an amino acid sequence as set forth in SEQ ID No. 6. The antibody or the antigen-binding fragment thereof provided in the present invention can specifically recognize ANGPTL3.Type: ApplicationFiled: March 30, 2021Publication date: March 21, 2024Applicant: CHILDREN'S HOSPITAL OF FUDAN UNIVERSITYInventors: HONG XU, QIAN SHEN, JIA RAO, YIHUI ZHAI, LI SUN, HAIMEI LIU, QIANYING LV, XINLI HAN
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Patent number: 11936876Abstract: Methods and apparatus are provided for signaling intra prediction for large blocks for video encoders and decoders. The intra prediction is signaled by selecting a basic coding unit size and assigning a single spatial intra partition type for the basic coding unit size. The single spatial intra partition type is selectable from among a plurality of spatial intra partition types. The at least one large block has a large block size greater than a block size of the basic coding unit. The intra prediction is hierarchical layer intra prediction and is performed for the at least one large block by at least one of splitting from the large block size to the basic coding unit size and merging from the basic coding unit size to the large block size.Type: GrantFiled: June 18, 2021Date of Patent: March 19, 2024Assignee: InterDigital VC Holdings, Inc.Inventors: Yunfei Zheng, Qian Xu, Xiaoan Lu, Peng Yin, Joel Sole Rojals, Adeel Abbas
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Publication number: 20240090101Abstract: The present disclosure discloses a high-voltage light string controller, including a first power supply module, a main control module, and a protection module. The first power supply module is suitable for being connected to a mains supply to supply power to the main control module; the main control module is suitable for sending a control signal to a light string to turn on or turn off the light string or to switch a color; the protection module is suitable for identifying a magnitude of a current in the first power supply module, converting the current into a detection signal, and then sending the detection signal to the main control module; the main control module is suitable for receiving and judging the detection signal; and when the detection signal exceeds a preset value, the main control module is suitable for sending a control signal to turn off the light string.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Jianping Yan, Xueren Zeng, Qian Xu, Wei Yi, Shiqing Xia
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Patent number: 11929610Abstract: Embodiments provide an electrostatic discharge (ESD) protection circuit and an electrostatic discharge method. The ESD protection circuit includes: a pulse detection unit (100), a discharge transistor (300), a feedback delay unit (200), and a processing unit (400). A first terminal of the pulse detection unit (100) is connected to a first pad (101), a second terminal of the pulse detection unit (100) is connected to a second pad (102), and an output terminal of the pulse detection unit (100) is configured to output a detection result signal. A gate of the discharge transistor (300) is connected to the output terminal of the pulse detection unit (100), a drain of the discharge transistor (300) is connected to the first pad (101), and a source of the discharge transistor (300) is connected to the second pad (102). The feedback delay unit (200) includes a PMOS transistor (Mp) and an NMOS transistor (Mn).Type: GrantFiled: September 2, 2021Date of Patent: March 12, 2024Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Qian Xu
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Publication number: 20240076345Abstract: A human GLP-1 polypeptide variant, and a fusion protein or an immunoconjugate constructed by means of using the human GLP-1 polypeptide variant can be used for preventing, and/or treating metabolic diseases or conditions related to GLP-1.Type: ApplicationFiled: December 27, 2021Publication date: March 7, 2024Inventors: Ting XU, Yuhao JIN, Xiaoxiao WANG, Pilin WANG, Qian LI
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Patent number: 11923939Abstract: Multiple mobility sets are maintained for nodes of radio networks. The sets comprise information such as: transmit and receive point identities; cell identities; beam identities; frequency channels; channel bandwidth; and black lists. The sets may be defined at different levels, such as network and physical (PHY) level. A network mobility set, e.g., a new-radio (NR) mobility set may, be determined by the gNB, the cell, the UE, or another device. Multiple radio access network nodes and UEs may exchange mobility set information to achieve a distributed mobility solution. A UE may monitor its orientation relative to a TRP, e.g., via use of an onboard MEMS gyroscope, and alter its beamforming parameters in response to changes in orientation and/or changes in TRP connection strength. Cell selection and reselection for beam based networks may use Single Frequency Network (SFN) broadcast of initial access signals without beam sweeping.Type: GrantFiled: February 27, 2023Date of Patent: March 5, 2024Assignee: IPLA HOLDINGS INC.Inventors: Wei Chen, Pascal M. Adjakple, Joseph M. Murray, Qing Li, Qian Zhang, Lakshmi R. Iyer, Tianyi Xu, Guodong Zhang, Allan Y. Tsai
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Patent number: 11922845Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.Type: GrantFiled: October 23, 2020Date of Patent: March 5, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yingsong Xu, Zhenhua Zhang, Qian Ma, Xilei Cao, Changlong Yuan, Jingyi Feng, Weiyun Huang, Benlian Wang
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Patent number: 11912768Abstract: The present invention relates to the field of medical biology, and discloses a single domain antibody and derivative proteins thereof against CTLA4. In particular, the present invention discloses a CTLA4 binding protein and the use thereof, especially the use for treating and/or preventing CTLA4 relevant diseases such as tumor.Type: GrantFiled: July 7, 2021Date of Patent: February 27, 2024Assignees: SUZHOU ALPHAMAB CO., LTD., XITIAN ZHANG, XIN ZHANGInventors: Ting Xu, Xiaoxiao Wang, Jie Li, Haiyan Wu, Li Gao, Qian Chu, Yu Bai