Patents by Inventor Wei Lv

Wei Lv 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).

  • Publication number: 20240137579
    Abstract: An encoding control method includes obtaining a current to-be-processed node in a target queue, where the target queue includes nodes whose corresponding space blocks are occupied in a constructed tree structure; obtaining a first mode identifier of the current to-be-processed node; and in a case that the first mode identifier is a first identifier, if nodes that have been processed continuously meet a first condition, performing multiway tree occupancy encoding on the current to-be-processed node; where the first condition includes that: a mode identifier of the node that has been processed continuously is the first identifier and a number of nodes that have been processed continuously is less than a first threshold.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 25, 2024
    Inventors: Wei Zhang, Tengya Tian, Zhuoyi Lv, Fuzheng Yang
  • Publication number: 20240121439
    Abstract: A point cloud attribute information encoding method includes: obtaining first information; determining, based on second information associated with the first information, whether to perform DCT transform on K to-be-coded points; in a case that it is determined to perform DCT transform on the K to-be-coded points, performing DCT transform on the K to-be-coded points to obtain a transform coefficient of the K to-be-coded points; and quantizing the transform coefficient of the K to-be-coded points and performing entropy coding based on a quantized transform coefficient, to generate a binary bit stream. The first information includes the K to-be-coded points and the second information includes attribute prediction information for the K to-be-coded points; or the first information includes N coded points prior to the K to-be-coded points and the second information includes attribute reconstruction information for the N coded points.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 11, 2024
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Wei ZHANG, Jingyun LU, Zhuoyi LV, Fuzheng YANG, Na DAI
  • Patent number: 11951271
    Abstract: A high aspect ratio in-plane metal microneedle array, a manufacturing method and a clamping and inserting auxiliary device thereof is disclosed. A large-size metal sheet is cut into small metal sheets. A clamping tooling composed of two upper and lower metal cover plates is processed. Inner sides of the upper and the lower cover plates of the tooling are provided with grooves in which the metal sheets are placed and fastened by bolts. Wire cutting is conducted on the tooling and the metal sheets as a whole to obtain a plane metal microneedle array with a plurality of microneedle bodies. In addition, an assembling and clamping device and an inserting auxiliary device of the high aspect ratio in-plane metal microneedle array is provided. The assembled inserting auxiliary device is placed on skin, and the microneedle array is inserted into the skin through the auxiliary device.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: April 9, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Guojun Ma, Chengwei Wu, Xiaolong An, Xiao Han, Wei Zhang, Yongtao Lv, Jianli Ma
  • Publication number: 20240112373
    Abstract: A point cloud encoding processing method includes obtaining a current to-be-encoded node in a target queue, where the target queue includes an occupied node in a space block corresponding to a constructed tree structure based on first geometric information, the first geometric information is obtained by preprocessing based on geometric information of a to-be-encoded N-th frame point cloud, and N is an integer greater than 1; and determining an encoding mode of the current to-be-encoded node based on whether the current to-be-encoded node meets an encoding condition of an isolated point. The encoding condition of the isolated point includes an occupancy status of a target node meets a preset condition. The target node is a node that is in encoded nodes and that is associated with the current to-be-encoded node.
    Type: Application
    Filed: November 29, 2023
    Publication date: April 4, 2024
    Inventors: Wei Zhang, Jiaming Nie, Zhuoyi Lv, Fuzheng Yang
  • Publication number: 20240104784
    Abstract: This application discloses an entropy encoding method and apparatus, and an entropy decoding method and apparatus. The entropy encoding method in the embodiments of this application includes: obtaining, by an entropy encoding apparatus, sparsity/density information of a to-be-encoded target point cloud; determining, based on the sparsity/density information, a type of an occupancy code context model used to perform entropy encoding on the target point cloud; and performing entropy encoding on the target point cloud based on the type of the occupancy code context model.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Wei ZHANG, Tengya TIAN, Zhuoyi LV, Fuzheng YANG
  • Publication number: 20240095141
    Abstract: A method and an apparatus for displaying an information flow on a terminal device, an electronic device, a computer-readable storage medium, and a computer program product are provided. An implementation is: in response to detecting an activation operation on an application for displaying the information flow, reproducing, on the terminal device, a first page displayed on the terminal device when the application is last switched to running in the background or closed; and in response to determining that a time interval between the activation operation and the application being last switched to running in the background or closed does not exceed a first threshold, displaying a second page as a continuation of a content entry displayed in the first page, where the second page includes at least one first content entry cached in the terminal device before the activation operation but not displayed in the first page.
    Type: Application
    Filed: March 21, 2022
    Publication date: March 21, 2024
    Inventors: Yifan ZHANG, Yuqi WANG, Linfei CHU, Jing NING, Kunjie SUN, Yuhang ZHENG, Naifei SONG, Shujuan ZHANG, Lin LIU, Xunzhuo JU, Zhengwei CHEN, Wei ZHANG, Hua ZHANG, Congjun ZHOU, Tingkang WU, Tengfei LV, Hanmeng LIU, Lei WANG
  • Patent number: 11931208
    Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: March 19, 2024
    Assignee: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY
    Inventors: Zhenchang Wang, Wei Zheng, Han Lv, Pengling Ren, Dehong Luo, Linkun Cai, Yawen Liu, Hongxia Yin, Pengfei Zhao, Jing Li, Dong Liu, Erwei Zhao, Tingting Zhang
  • Publication number: 20240089459
    Abstract: This application discloses a point cloud encoding processing method and apparatus and a point cloud decoding processing method and apparatus. The point cloud encoding processing method of embodiments of this application includes: determining sparsity level information of a target point cloud; and in a case that the sparsity level information indicates the target point cloud being a sparse point cloud and a node to be encoded corresponding to the target point cloud satisfies an isolated point encoding condition, enabling an isolated point encoding mode.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Wei ZHANG, Tengya TIAN, Zhuoyi LV, Fuzheng YANG
  • Publication number: 20240081302
    Abstract: A method of preparing an antibody carrying a universal site-directed coupling interface based on a genetically modified vertebrate is described. The method of constructs a vertebrate model, the vertebrate model is used to produce an antibody carrying a universal site-directed coupling interface. The method includes site-directly knocking in a coding gene of a specific recognition sequence of a certain ligase A or a coding gene of a certain intein A at a certain position A of a certain coding gene A of the immunoglobulin in the genome of the recipient animal, to obtain the vertebrate model. The modified mice can normally stimulate immune responses, produce a polyclonal antibody and a monoclonal antibody with a site-directed linking site. Antibodies with a site-directed linking site can normally carry out site-directed linking, and add various application groups to realize downstream applications of antibodies, such as ELISA, immunofluorescence staining, and immuno-PCR.
    Type: Application
    Filed: October 13, 2023
    Publication date: March 14, 2024
    Inventors: Tao CHEN, Bin YUE, Shuang LV, Wei ZHANG
  • Publication number: 20240079411
    Abstract: A semiconductor structure includes: a logic device including a first power line and a second power line located on a same wiring layer, extending along a first direction and arranged in parallel along a second direction, the first direction and the second direction intersecting with each other and being parallel to a plane where the wiring layer is located; and a switch driving device, the switch driving device and the logic device being arranged in parallel along the first direction, the switch driving device including a first input line and a first output line located on the same wiring layer as the first power line, extending along the first direction and arranged in parallel along the second direction, the first output line being connected with the first power line or the second power line.
    Type: Application
    Filed: August 14, 2023
    Publication date: March 7, 2024
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Qing LV, Wei JIANG
  • Publication number: 20240073096
    Abstract: The present disclosure discloses a design method for lightweight wired Mesh networking. The design method includes: designing a protocol format of a lightweight wired Mesh network message; designing an input parsing module of the lightweight wired Mesh network message; designing a heartbeat logic module between devices of the lightweight wired Mesh networking; designing a route management module of a lightweight wired Mesh network; designing a forwarding and processing module of the lightweight wired Mesh network message; and designing an underlying hardware interface management module.
    Type: Application
    Filed: November 10, 2021
    Publication date: February 29, 2024
    Inventors: Peilei WANG, Wenjiao YANG, Wei LV, Xingming ZHANG
  • Publication number: 20240065595
    Abstract: A method and system for calculating emotional indicators based on pupil-wave are provided. The operation of calculating emotional indicators based on a pupil-wave may include the following operations. A pupil-wave is collected when a subject is in a calm state and set as a standard pupil-wave; Obtaining emotional indicators and corresponding emotions used to measure a mental state. The pupil-wave of the subject in each emotional state is collected and set as an emotional pupil-wave; According to the standard pupil-wave, a bandwidth and differential pupil-wave corresponding to each emotion are calculated; The standard, emotional, bandwidth and differential pupil-wave are input into a pre-trained deep convolutional neural network to obtain index values of emotional indicators.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicant: Beijing University Of Technology
    Inventors: Mi LI, Bin HU, Shengfu LV, Jiaming KANG, Wei ZHANG
  • Patent number: 11907016
    Abstract: A portable electronic device can include a housing defining an aperture and a display positioned in the aperture. The portable electronic device can include a number of components that can provide desired functionalities and levels of performance. For example, the device can include one or more couplers that interconnect various portions of the housing together. Additionally or alternatively, the portable electronic device can include one or more millimeter-wave antennas. Additionally, or alternatively, the electronic device can include one or more grounding elements or layers that reliably and electrically ground the display to the housing.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: February 20, 2024
    Assignee: APPLE INC.
    Inventors: Thomas O. Henry, Trevor M. Cardiff, Jason A. U. De Souza, Sayooj R. Pillai, Jason Bakhshi, Erik A. Uttermann, Wei Lv, Wenyong Zhu, Lee B. Hamstra, Daniel J. Hoff
  • Patent number: 11866418
    Abstract: Disclosed are compounds of formulae I and II, and pharmaceutically acceptable salts and prodrugs thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such a compound, and methods of using the compounds and compositions in the treatment or prevention of a disease or condition characterized by aberrant complement system activity.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: January 9, 2024
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Peng-Cheng Lu, Minwan Wu, Wei Lv, Trung Xuan Nguyen, Zhao Dang, Venkat R. Chintareddy, V. Satish Kumar, Krishnan Raman
  • Patent number: 11849742
    Abstract: The invention describes products, uses thereof, compositions thereof, and methods to prepare products formed from Maillard reaction products from a sugar donor and/or sweet tea extracts, stevia extracts, swingle (mogroside) extracts, one or more sweet tea extract components, one or more steviol glycosides, one or more mogrosides, one or more glycosylated sweet tea glycosides, one or more glycosylated steviol glycosides or one or more glycosylated mogrosides and an amine donor/reactant.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: December 26, 2023
    Assignee: EPC NATURAL PRODUCTS CO., LTD.
    Inventors: Jingang Shi, Hansheng Wang, Xin Shi, Yi Wang, Wei Lv, Yingxiang Xin, Thomas Eidenberger, Weiyao Shi
  • Patent number: 11708347
    Abstract: Disclosed are compounds of formulae I and II, and pharmaceutically acceptable salts and prodrugs thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such a compound, and methods of using the compounds and compositions in the treatment or prevention of a disease or condition characterized by aberrant complement system activity.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: July 25, 2023
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Peng-Cheng Lu, Minwan Wu, Wei Lv, Trung Xuan Nguyen, Zhao Dang, Venkat R. Chintareddy, V. Satish Kumar, Krishnan Raman
  • Patent number: 11677334
    Abstract: The present invention discloses a modular intelligent combined wind power converter and a control method thereof. The modular intelligent combined wind power converter comprises separate bridge arm power units, wherein a plurality of the bridge arm power units are connected in parallel to form a high-capacity bridge arm power module, three bridge arm power modules form a three-phase full-controlled bridge power module, and the three-phase full-controlled bridge power module comprises an electric reactor, a capacitor, a fuse and a circuit breaker to form a basic converter module, and the basic converter module forms a high-capacity wind power converter through a modular intelligent combination method.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: June 13, 2023
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Xu Cai, Han Wang, Jianwen Zhang, Gang Shi, Jing Lv, Yunfeng Cao, Haoshu Shao, Yao Qin, Wei Lv
  • Publication number: 20230099716
    Abstract: Disclosed are compounds of formulae I and II, and pharmaceutically acceptable salts and prodrugs thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such a compound, and methods of using the compounds and compositions in the treatment or prevention of a disease or condition characterized by aberrant complement system activity.
    Type: Application
    Filed: April 27, 2022
    Publication date: March 30, 2023
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Peng-Cheng Lu, Minwan Wu, Wei Lv, Trung Xuan Nguyen, Zhao Dang, Venkat R. Chintareddy, V. Satish Kumar, Krishnan Raman
  • Publication number: 20230082165
    Abstract: The invention describes products, uses thereof, compositions thereof, and methods to prepare products formed from Maillard reaction products from a sugar donor and/or sweet tea extracts, stevia extracts, swingle (mogroside) extracts, one or more sweet tea extract components, one or more steviol glycosides, one or more mogrosides, one or more glycosylated sweet tea glycosides, one or more glycosylated steviol glycosides or one or more glycosylated mogrosides and an amine donor/reactant.
    Type: Application
    Filed: November 11, 2021
    Publication date: March 16, 2023
    Inventors: Jingang SHI, Hansheng WANG, Xin SHI, Yi WANG, Wei LV, Yingxiang XIN, Thomas EIDENBERGER, Weiyao SHI
  • Publication number: 20230085263
    Abstract: The invention describes products, uses thereof, compositions thereof, and methods to prepare products formed from Maillard reaction products from a sugar donor and/or sweet tea extracts, stevia extracts, swingle (mogroside) extracts, one or more sweet tea extract components, one or more steviol glycosides, one or more mogrosides, one or more glycosylated sweet tea glycosides, one or more glycosylated steviol glycosides or one or more glycosylated mogrosides and an amine donor/reactant.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 16, 2023
    Inventors: Jingang SHI, Hansheng WANG, Xin SHI, Yi WANG, Wei LV, Yingxiang XIN, Thomas EIDENBERGER, Weiyao SHI