Patents by Inventor Wenjun Zhang

Wenjun Zhang 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: 20230283651
    Abstract: The present invention provides two forms of information interaction mechanisms and network transmission methods in a multimedia system. One is implementing bidirectional quick information interaction by using an interaction message body, so that the defect that there is no efficient and flexible bidirectional information interaction mechanism in existing media transmission systems can be overcome, and the mechanism is applicable to all media transmission systems. The other one is simplifying the size of protocol format header data for a simplest data packet forced by a protocol transmission format, so that the protocol format is quickly adapted to quick information interaction. The simplifying the size of protocol format header data can overcome the defect that there is no efficient bidirectional quick information interaction mechanism in the existing media transmission systems. In addition, an optimized transmission mechanism for a still image in a video stream is provided.
    Type: Application
    Filed: January 25, 2017
    Publication date: September 7, 2023
    Applicant: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Wenjun Zhang, Yiling Xu, Ning Zhuang, Hao Chen, Yanfeng Wang, Jun Sun, Ning Liu
  • Patent number: 11722243
    Abstract: Provided are a signaling coding and modulation method and a demodulation and decoding method and device, characterized in that the method comprises the steps of: extending signaling which has been subjected to first predetermined processing according to an extension pattern table to obtain an extended codeword, and conducting predetermined coding on the extended codeword to obtain a encoded codeword; conducting parity bit permutation on a parity bit portion in the encoded codeword and then splicing the permutated parity bits to the end of information bits in the encoded codeword, to obtain a permutated encoded codeword; according to the length of the signaling, punching the permutated encoded codeword according to a predetermined punching rule to obtain a punched encoded codeword; and conducting second predetermined processing on the punched encoded codeword to obtain a tuple sequence, which is used for mapping, and then mapping the tuple sequence.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: August 8, 2023
    Assignee: Shanghai National Engineering Research Center of Digital Television Co., Ltd.
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Ge Huang, Hongliang Xu, Yao Wang
  • Patent number: 11718671
    Abstract: Provided is a novel antibody and a method for treating breast cancer. More specifically, the present disclosure relates to a bispecific antibody targeting CD3 and a tumor antigen target such as HER2, a preparation method, and uses thereof. The present disclosure also relates to a composition containing said antibody and a method for treating cancer by using the antibody.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 8, 2023
    Assignee: Excelmab, Inc.
    Inventors: Wenjun Zhang, Cuijuan Chen, Xuemei Wei, Tonghui Luo
  • Patent number: 11674926
    Abstract: A magneto acoustic emission detection method for fatigue damage of ferromagnetic metal components: First, generating an excitation magnetic field by using a sine wave voltage signal, gradually increasing a loading voltage until a magneto acoustic emission signal of a bimodal envelope with an obvious tail peak is acquired, and taking a corresponding voltage peak value as a reference voltage; second, generating an excitation magnetic field by using a square wave voltage signal equal to or higher than a reference voltage, and acquiring a magneto acoustic emission signal with a T-shaped envelope; and third, calculating the average value of peak-to-peak values of the magneto acoustic emission signal in multiple periods to serve as a characteristic parameter, and enabling the characteristic parameter to have inflection point change along with the development of the initiation and expansion of the fatigue crack, and giving a timely early warning for the failure of the component.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 13, 2023
    Assignee: China Special Equipment Inspection and Research Institute
    Inventors: Gongtian Shen, Yongna Shen, Wenjun Zhang
  • Publication number: 20230180341
    Abstract: A network device sends first radio resource control (RRC) reconfiguration signaling to a terminal device, where the first RRC reconfiguration signaling carries a first configuration, and the first RRC reconfiguration signaling indicates the terminal device to make the first configuration effective or make the first configuration ineffective. The network device receives first RRC reconfiguration complete signaling sent by the terminal device, where the first RRC reconfiguration complete signaling indicates that the first configuration has been effective or the first configuration has been ineffective.
    Type: Application
    Filed: January 26, 2023
    Publication date: June 8, 2023
    Inventor: Wenjun Zhang
  • Patent number: 11634769
    Abstract: A method of determining one or more target nucleic acids in cells includes the steps of: delivering one or more probes into the cells, each of the one or more probes being capable of binding with corresponding target nucleic acid present in the cells to form a double-stranded sequence; inserting an array of functionalized nanoneedles into the cells to bind with the double-stranded sequence; and hybridizing the bound double-stranded sequence with a first and second DNA sequence to produce a hybridized product, the first and second DNA sequence being at least partially complementary to each other. A kit for determining a target nucleic acid in cells includes a first reagent comprising a probe for binding with the target nucleic acid to form a double-stranded sequence; and an array of functionalized nanoneedles comprising a protein for binding with the double-stranded sequence.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: April 25, 2023
    Assignee: City University of Hong Kong
    Inventors: Peng Shi, Zixun Wang, Wenjun Zhang, Linfeng Huang, Xin Wang
  • Patent number: 11616238
    Abstract: An electrode for use in an electrical energy storage apparatus includes: a carrier structure including a plurality of vacancies thereon; and an active material arranged to undergo chemical reaction during charging and/or discharging of the electrical energy storage apparatus; wherein the active material occupies the plurality of vacancies on the carrier structure.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: March 28, 2023
    Assignee: City University of Hong Kong
    Inventors: Shuilin Wu, Kaili Zhang, Wenjun Zhang
  • Patent number: 11610401
    Abstract: A public opinion acquisition method and device, a word viscosity model training method and device, a server, and a medium are provided in the present disclosure. And the present disclosure relates to the technical field of artificial intelligence, specifically to image recognition and natural language processing, which can be used in a cloud platform. A video public opinion acquisition method includes: receiving a public opinion acquisition request, the public opinion acquisition request including a public opinion keyword to be acquired; matching the public opinion keyword to be acquired with video data including a recognition result, wherein the recognition result is obtained by performing predefined content recognition on the video data, the predefined content recognition including text recognition and image recognition; and determining video data that matches with the public opinion keyword to be acquired as result video data.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 21, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Wenjun Zhang, Qiang Huang, Jun Fang, Xu Pan, Yuncong Li, Zhe Yang, Saiding Hong
  • Publication number: 20230081277
    Abstract: Efficient methods for identifying biomarkers are described. The method may include identifying a tumor area. The method may further include identifying a plurality of regions. The method may also include defining, for each region, a bounding area for the region that encompasses the region. The method may include determining, for each region of a first subset of the plurality of regions, that the region is to be ascribed to the tumor, where the bounding area is fully within the tumor area. The method may further include determining, for each region of a second subset of the plurality of regions, whether to ascribe the region to the tumor based on an intersection of the region and the tumor area. The method may also include accessing a metric characterizing a biological observation and generating a result based on the metrics. The result may be used as a biomarker.
    Type: Application
    Filed: April 22, 2021
    Publication date: March 16, 2023
    Applicant: Ventana Medical Systems, Inc.
    Inventors: Xingwei Wang, Mehrnoush Khojasteh, Yao Nie, Jim F. Martin, Wenjun Zhang
  • Publication number: 20230020324
    Abstract: A task processing method, a task processing device and an electronic device are provided, which relate to the field of cloud computing technology and big data technology, in particular to the field of task processing technology. The task processing method includes: obtaining a task processing request for a to-be-processed task, the task processing request including processing time information of the to-be-processed task and a service type of the to-be-processed task; in the case that the processing time information of the to-be-processed task meets a triggering condition, writing the to-be-processed task into a corresponding message queue in accordance with the service type of the to-be-processed task, one message queue corresponding to a respective one service type; and processing the to-be-processed task in the message queue, to obtain a task processing result of the to-be-processed task.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Inventors: Chong LIU, Zecheng ZHUO, Qiang HUANG, Siqi XU, Wenjun ZHANG, Saiding HONG
  • Publication number: 20220414095
    Abstract: A method of processing event data, a device, and a medium are provided, which relate to fields of deep learning, natural language processing, cloud services, etc. The method of processing event data includes: determining target feature data corresponding to target event data, in response to receiving a query request containing the target event data; selecting correlated feature data from candidate feature data based on the target feature data, wherein a similarity between the correlated feature data and the target feature data meets a preset similarity condition; determining operation data associated with the correlated feature data, wherein the operation data represents a level of attention to correlated event data corresponding to the correlated feature data; and determining a level of attention to the target event data based on the operation data.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 29, 2022
    Inventors: Zhe YANG, Zecheng ZHUO, Jian GONG, Qiang HUANG, Xu PAN, Saiding HONG, Wenjun ZHANG, Siqi XU, Sicong LIN, Chenhui LIU
  • Patent number: 11534717
    Abstract: An efficient ammonia desulphurization and oxidation apparatus includes a desulphurization tower, where spray layers in multiple stages and a tower reactor are sequentially arranged in the desulphurization tower; a first gas-liquid distribution plate, a second gas-liquid distribution plate, and a third gas-liquid distribution plate are sequentially arranged in the tower reactor; an ammonia distribution zone is formed between the first and second gas-liquid distribution plates, and an ammonia water distributor is further arranged between the first gas-liquid distribution plate and the second gas-liquid distribution plate in the ammonia distribution zone; an absorption zone is formed between the second and third gas-liquid distribution plates; an oxidation zone is formed between the third gas-liquid distribution plate and a bottom of the tower; in the oxidation zone, oxidizing air distributors in multiple stages are arranged at a lower side of the third gas-liquid plate.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: December 27, 2022
    Assignee: SHANGHAI LANKE ENVIRONMENTAL TECHNOLOGY CO., LTD.
    Inventors: Hongxi Ma, Wenjun Zhang, Lanjun Mao, Xiangli Meng, Guohui Sun
  • Publication number: 20220324993
    Abstract: Provided are a bispecific antibody and a preparation method therefor. The antibody comprises structural domains capable of binding to CD20 and CD3, and a heterodimer Fc region. The structural domains capable of binding to CD20 and CD3 are each independently selected from a Fab region, a ScFv region, or an sDab region. The bispecific antibody targets CD20 and CD3, and mediates T cell-specific killing of tumor cells.
    Type: Application
    Filed: December 17, 2019
    Publication date: October 13, 2022
    Inventors: Wenjun Zhang, Feng Li, Yanan Hua, Jiaxi Liu, Chunhua Fang
  • Publication number: 20220318503
    Abstract: A method and an apparatus for identifying an instruction, and a screen for voice interaction are provided. The method includes: acquiring a text vector and at least one word importance corresponding to a to-be-identified instruction; selecting a target number of quasi-matching instructions from a preset instruction library based on the text vector and the at least one word importance, where the instruction library includes a correspondence between an instruction and a text vector of the instruction, and the instruction in the instruction library includes an instruction type and an instruction-targeting keyword; and generating, based on the instruction type and the instruction-targeting keyword in the target number of quasi-matching instructions, an instruction type and an instruction-targeting keyword matching the to-be-identified instruction.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 6, 2022
    Inventors: Wenjun ZHANG, Zecheng ZHUO, Jian GONG, Qiang HUANG, Guoan YOU, Xu PAN
  • Patent number: 11438097
    Abstract: A media content-based adaptive method, device and system for Forward Error Correction (FEC) coding and decoding of a systematic code, and a medium are provided. The method includes: dividing, according to the importance of media content, source data into N types of source data packets according to priorities; generating N types of intermediate codes according to the N types of source data packets and the priorities thereof; setting, according to the N types of intermediate codes, recovery data of N types of source data according to a channel condition, and generating coded symbols of N types of systematic codes; receiving the coded symbols, and arranging and sorting the coded symbols according to decoding requirements; and decoding, according to the number of received coded symbols, intermediate codewords according to different situations, and recovering the corresponding source data packets according to the intermediate codewords.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: September 6, 2022
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Yiling Xu, Wenjun Zhang, Ning Liu, Yunfeng Guan, Yanfeng Wang, Jun Sun, Zhiqian Jiang, Hao Chen
  • Publication number: 20220211384
    Abstract: A multiple clip applier including a fixing handle, a conveying handle, a clamping handle, a pushing mechanism, a clip tube, a clip head and a closure clip assembly is provided. The clip head is arranged at one end of the clip tube, the clip tube is provided with a loading groove. The closure clip assembly is detachably arranged in the loading groove, and the clip tube includes an outer and an inner clip tube; the conveying handle and the clamping handle are both hinged with the fixing handle; and the clamping handle is linked with the outer clip tube to control opening or closing of the clip head. The closure clip assembly includes a plurality of closure clips; and the conveying handle is linked with the pushing mechanism to move along the length direction of the inner clip tube, thereby driving the closure clips to move towards the clip head.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 7, 2022
    Applicant: HANGZHOU SUNSTONE TECHNOLOGY CO., LTD.
    Inventors: Lei SHI, Wenjun ZHANG, Weijian DAI, Yanli MA
  • Publication number: 20220190955
    Abstract: Provided are a signaling coding and modulation method and a demodulation and decoding method and device, characterized in that the method comprises the steps of: extending signaling which has been subjected to first predetermined processing according to an extension pattern table to obtain an extended codeword, and conducting predetermined coding on the extended codeword to obtain a encoded codeword; conducting parity bit permutation on a parity bit portion in the encoded codeword and then splicing the permutated parity bits to the end of information bits in the encoded codeword, to obtain a permutated encoded codeword; according to the length of the signaling, punching the permutated encoded codeword according to a predetermined punching rule to obtain a punched encoded codeword; and conducting second predetermined processing on the punched encoded codeword to obtain a tuple sequence, which is used for mapping, and then mapping the tuple sequence.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 16, 2022
    Applicant: Shanghai National Engineering Research Center of Digital Television Co.,Ltd.
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Ge Huang, Hongliang Xu, Yao Wang
  • Patent number: 11296728
    Abstract: An interleaving and mapping method and a deinterleaving and demapping method for an LDPC codeword are provided. The interleaving and mapping method comprises: performing first bit interleaving on a parity bits part of the LDPC codeword to obtain interleaved parity bits; splicing an information bit part of the codeword and the interleaved parity bits into a codeword after the first bit interleaving; dividing the codeword after the first bit interleaving into multiple consecutive bit subblocks in a predetermined length, and changing the order of the bit subblocks according to a corresponding permutation order (bit-swapping pattern) to form a codeword after second bit interleaving; dividing the codeword after the second bit interleaving into two parts, and writing the two parts into storage space in a column order respectively and reading the two parts from the storage space in a row order respectively to obtain a codeword after third bit interleaving.
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: April 5, 2022
    Assignee: Shanghai National Engineering Research Center of Digital Teievision Co., Ltd.
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Yunfeng Guan, Yin Xu, Xufeng Guo
  • Patent number: 11296820
    Abstract: Provided are a signaling coding and modulation method and a demodulation and decoding method and device, characterized in that the method comprises the steps of: extending signaling which has been subjected to first predetermined processing according to an extension pattern table to obtain an extended codeword, and conducting predetermined coding on the extended codeword to obtain a encoded codeword; conducting parity bit permutation on a parity bit portion in the encoded codeword and then splicing the permutated parity bits to the end of information bits in the encoded codeword, to obtain a permutated encoded codeword; according to the length of the signaling, punching the permutated encoded codeword according to a predetermined punching rule to obtain a punched encoded codeword; and conducting second predetermined processing on the punched encoded codeword to obtain a tuple sequence, which is used for mapping, and then mapping the tuple sequence.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: April 5, 2022
    Assignee: Shanghai National Engineering Research Center of Digital Television Co., Ltd.
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Ge Huang, Hongliang Xu, Yao Wang
  • Publication number: 20220101009
    Abstract: A public opinion acquisition method and device, a word viscosity model training method and device, a server, and a medium are provided in the present disclosure. And the present disclosure relates to the technical field of artificial intelligence, specifically to image recognition and natural language processing, which can be used in a cloud platform. A video public opinion acquisition method includes: receiving a public opinion acquisition request, the public opinion acquisition request including a public opinion keyword to be acquired; matching the public opinion keyword to be acquired with video data including a recognition result, wherein the recognition result is obtained by performing predefined content recognition on the video data, the predefined content recognition including text recognition and image recognition; and determining video data that matches with the public opinion keyword to be acquired as result video data.
    Type: Application
    Filed: March 19, 2021
    Publication date: March 31, 2022
    Inventors: Wenjun ZHANG, Qiang HUANG, Jun FANG, Xu PAN, Yuncong LI, Zhe YANG, Saiding HONG