Patents by Inventor Xiaofei Li

Xiaofei Li 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: 20260139047
    Abstract: The present invention relates to a pharmaceutical composition containing a fusion protein. Specifically, the present invention relates to a pharmaceutical composition comprising the fusion protein containing covalently bonded IL-2 and an anti-IL-2 antibody, and the use thereof.
    Type: Application
    Filed: August 25, 2022
    Publication date: May 21, 2026
    Inventors: Xiazhen Ma, Chenmin Tian, Xiaofei Li
  • Publication number: 20260053086
    Abstract: The present disclosure provides an intelligent mowing device including a device body including front and rear ends, an actuator is arranged on the device body; a first lens arranged at the front end of the top of the device body, the first lens includes a light-transmitting area and collects environmental information through the light-transmitting area; where there is a first point on the first lens and a second point of the top surface of the device body, the first point corresponds to a contour point at a bottom edge of the light-transmitting area, which is oriented towards the front end, the second point is the highest point of the top surface of the device body located in front of the first lens; an angle between the line connecting the first and second points and the horizontal plane is greater than or equal to a first set acute angle.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 26, 2026
    Applicant: ECOVACS ROBOTICS CO., LTD.
    Inventors: Peng CHEN, Yongdong WU, Peng YUAN, Xiaofei LI
  • Publication number: 20260051746
    Abstract: A charging circuit, charging method, and system for an energy storage capacitor are disclosed. The charging circuit includes a current regulation module and a feedback control module. The feedback control module is configured to (i) determine a current measurement result, wherein the current measurement result is used to indicate the magnitude of the present charging current output by the current regulation module to the energy storage capacitor, and (ii) output a control signal to the current regulation module based on the current measurement result, the present voltage of the energy storage capacitor, and the input voltage received by the current regulation module, wherein the control signal corresponds to a target charging current. The current regulation module is configured to output the target charging current based on the control signal and the input voltage.
    Type: Application
    Filed: August 10, 2025
    Publication date: February 19, 2026
    Inventors: Xiaofei Qiu, Mengyi Wang, Wenda Li, Xuewei Wang, Xueting Zhang, Xiaofei Li
  • Patent number: 12556759
    Abstract: Embodiments of the disclosure provide a method and device for video editing. The method includes: obtaining a first video draft generated by a first client, which includes first editing capability information supported by a first client but not supported by a second client; performing an editing operation on a first video clip based on the first editing capability information to obtain the second video clip, whereby the first video clip and the first editing capability information overlap on the video editing time line; replacing, in the first video draft, the first video clip with the second video clip, and deleting the first editing capability information to obtain the second video draft; and providing the second video draft to the second client.
    Type: Grant
    Filed: May 15, 2023
    Date of Patent: February 17, 2026
    Assignee: Beijing Zitiao Network Technology Co., Ltd.
    Inventors: Chengzuo Sun, Chun Wang, Shaoqiang Wu, Xiaofei Li, Yongpan Song, Weijie Ni
  • Publication number: 20250383673
    Abstract: A gate linkage control method and device and a parallel water supply and power generation system are provided. The method comprises the following steps of: acquiring current gate opening degree information of the parallel water supply and power generation system and a current water level of a third trunk canal, the current gate opening degree information comprising current first gate opening degree information and current second gate opening degree information; determining a target gate linkage control strategy of the parallel water supply and power generation system according to the current gate opening degree information of the parallel water supply and power generation system and the current water level of the third trunk canal; and controlling a gate opening degree of a target gate according to the target gate linkage control strategy of the parallel water supply and power generation system.
    Type: Application
    Filed: July 10, 2023
    Publication date: December 18, 2025
    Applicants: CHINA THREE GORGES CORPORATION, CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
    Inventors: Yizi SHANG, Lili LIANG, Xiaofei LI, Jiaguo GONG, Yuntao YE, Zhiwu LIU
  • Publication number: 20250376825
    Abstract: A gate linkage control method and device and a series water supply and power generation system are provided. The method comprises the following steps of: acquiring a water demand and current water level information of the series water supply and power generation system, the current water level information at least comprising current riverway water level information and current water diversion trunk canal water level information; determining a gate opening degree control strategy of a first water diversion gate and a second water diversion gate according to the water demand and the current water level information of the series water supply and power generation system; and carrying out linkage control on the first water diversion gate and the second water diversion gate according to the gate opening degree control strategy.
    Type: Application
    Filed: July 10, 2023
    Publication date: December 11, 2025
    Applicants: CHINA THREE GORGES CORPORATION, CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
    Inventors: Yizi SHANG, Lili LIANG, Xiaofei LI, Yuntao YE, Zhiwu LIU, Jiaguo GONG
  • Publication number: 20250097517
    Abstract: A method and device for video editing. The method includes: obtaining a first video draft generated by a first client, which includes first editing capability information supported by a first client but not supported by a second client; performing an editing operation on a first video clip based on the first editing capability information to obtain the second video clip, whereby the first video clip and the first editing capability information overlap on the video editing time line; replacing, in the first video draft, the first video clip with the second video clip, and deleting the first editing capability information to obtain the second video draft; and providing the second video draft to the second client.
    Type: Application
    Filed: May 15, 2023
    Publication date: March 20, 2025
    Inventors: Chengzuo SUN, Chun WANG, Shaoqiang WU, Xiaofei LI, Yongpan SONG, Weijie NI
  • Patent number: 12163566
    Abstract: One example vibration damping bracket provided in some embodiments of this application includes a fastening bracket, a first bracket body, a second bracket body, a first vibration damping component, and a second vibration damping component. The first bracket body is elastically connected to the fastening bracket by using the first vibration damping component. The second bracket body is elastically connected to the first bracket body by using the second vibration damping component. The first vibration damping component includes a metal elastic part configured to absorb vibration, and the second vibration damping component includes a rubber elastic part configured to absorb vibration.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: December 10, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenming Hu, Jianqiang Yin, Xiaofei Li, Rucheng Zhu
  • Patent number: 12136261
    Abstract: A counterfactual context-aware texture learning network system, including: a camera configured to capture an input image; a processor configured to perform camouflaged object detection on the input image; and a memory configured to store a texture-aware refinement module (TRM), a context-aware fused module (CFM), and a counterfactual intervention module (CIM); wherein the processor is configured to execute program instructions of the TRM, the CFM, and the CIM; the TRM is configured to extract dimension features from the input image; the CFM is configured to infuse multi-scale contextual features; the CIM is configured to identify a camouflaged object with counterfactual intervention via the processor; the TRM includes: a receptive field block (RFB) configured to expand a receptive field and extract texture features; and a position attention module (PAM) and a channel attention module (CAM) configured to further refine texture-aware features and obtain discriminant feature representation.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: November 5, 2024
    Assignee: National University of Defense Technology
    Inventors: Shuohao Li, Xiaofei Li, Jun Zhang, Kuihua Huang, Chao Chen, Boliang Sun, Jun Lei, Miaomiao Yu
  • Publication number: 20240312194
    Abstract: A counterfactual context-aware texture learning network system, including: a camera configured to capture an input image; a processor configured to perform camouflaged object detection on the input image; and a memory configured to store a texture-aware refinement module (TRM), a context-aware fused module (CFM), and a counterfactual intervention module (CIM); wherein the processor is configured to execute program instructions of the TRM, the CFM, and the CIM; the TRM is configured to extract dimension features from the input image; the CFM is configured to infuse multi-scale contextual features; the CIM is configured to identify a camouflaged object with counterfactual intervention via the processor; the TRM includes: a receptive field block (RFB) configured to expand a receptive field and extract texture features; and a position attention module (PAM) and a channel attention module (CAM) configured to further refine texture-aware features and obtain discriminant feature representation.
    Type: Application
    Filed: April 24, 2024
    Publication date: September 19, 2024
    Inventors: Shuohao LI, Xiaofei LI, Jun ZHANG, Kuihua HUANG, Chao CHEN, Boliang SUN, Jun LEI, Miaomiao YU
  • Patent number: 11975621
    Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: May 7, 2024
    Inventors: Xiaorui Wu, Yue Sun, Xiaofei Li, Jing Xiao, Shaonan Chen, Yue Zuo, Yuhong Mo, Ning Wu, Wenlan Gong, Shuai Han, Weidong Chen, Min Guo, Xiaoxuan Guo, Chunsen Tang
  • Publication number: 20240100972
    Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 28, 2024
    Applicants: ELECTRIC POWER SCIENCE RESEARCH INSTITUTE OF GUANGXI POWER GRID CO., LTD., CHONGQING UNIVERSITY
    Inventors: Xiaorui Wu, Yue Sun, Xiaofei Li, Jing Xiao, Shaonan Chen, Yue Zuo, Yuhong Mo, Ning Wu, Wenlan Gong, Shuai Han, Weidong Chen, Min Guo, Xiaoxuan Guo, Chunsen Tang
  • Publication number: 20240057300
    Abstract: This application discloses a vehicle-mountable device comprising: a first temperature equalization board and a PCB are fastened inside a housing. The first temperature equalization board is close to a first inner wall of the housing. The PCB is close to a second inner wall of the housing. The first inner wall is opposite to the second inner wall. A first protrusion is disposed on a side that is of the first temperature equalization board and that is close to the PCB. A first heat pipe is disposed on a side that is of the first temperature equalization board and that is close to the first inner wall. A first heat emission component is disposed on a side that is of the PCB and that is close to the first temperature equalization board. A position of the first protrusion corresponds to a position of the first heat emission component.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yonghai Mao, Zhenming Hu, Jianqiang Yin, Xiaofei Li
  • Publication number: 20230410953
    Abstract: The present invention discloses a method for constructing and optimizing a molecular structure model of lignite, comprising: collecting and processing a lignite sample, analyzing a lignite experimental sample, calculating the number of carbon atoms in lignite and the number of carbon atoms in other parameters, obtaining the sizes of aromatic clusters, and determining the composition features and number of aromatic structural units in lignite; calculating the total number of carbon atoms and the number of aliphatic carbon atoms in lignite; obtaining the categories and number of oxygen-containing functional groups in lignite based on the contents of aromatic hydrocarbon, aliphatic hydrocarbon and various oxygen-containing functional groups, and designing the structural forms of nitrogen and sulfur; constructing a molecular structure model of lignite.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventors: Qingtao Zhang, Xueyang Xing, Yingying Hu, Gang Zhou, Bo Li, Jianjun Shen, Mingming Fu, Xiaofei Li, Lanjuan Xu, Shuai Du, Xinlei Jia, Zhenjiang Yin, Qianqian Zhang, Jie Zang, Qing Cao, Hui Ma, Lei Zhao
  • Patent number: 11841242
    Abstract: Disclosed are a preprocessing method and device for distance transformation. The method includes: acquiring a first grid map; calculating a second parameter of a vehicle model; calculating a precision of a second grid map according to the second parameter of the vehicle model and a precision of the first grid map; calculating the numbers of rows and columns of the second grid map according to information on the first grid map, the precision of the second grid map and the second parameter of the vehicle model; determining for each cell of the second grid map a state value according to the numbers of obstacle cells within said each cell; and determining in the first grid map at least one cell requiring no processing, according to the state value. Therefore, during the distance transformation, the processing speed for determining the distance value of each cell is increased.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: December 12, 2023
    Assignee: BEIJING IDRIVERPLUS TECHNOLOGY CO., LTD.
    Inventors: Runlin He, Bo Yan, Cheng Xu, Fang Zhang, Xiaofei Li, Dezhao Zhang, Xiao Wang, Shuhao Huo
  • Patent number: 11839065
    Abstract: This application discloses a vehicle-mounted device comprising: a first temperature equalization board and a PCB are fastened inside a housing. The first temperature equalization board is close to a first inner wall of the housing. The PCB is close to a second inner wall of the housing. The first inner wall is opposite to the second inner wall. A first protrusion is disposed on a side that is of the first temperature equalization board and that is close to the PCB. A first heat pipe is disposed on a side that is of the first temperature equalization board and that is close to the first inner wall. A first heat emission component is disposed on a side that is of the PCB and that is close to the first temperature equalization board. A position of the first protrusion corresponds to a position of the first heat emission component.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: December 5, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yonghai Mao, Zhenming Hu, Jianqiang Yin, Xiaofei Li
  • Patent number: 11726534
    Abstract: An in-vehicle computing apparatus in an intelligent vehicle and an intelligent vehicle, where the in-vehicle computing apparatus includes two stacked mainboards, and a radiator that is disposed between the two mainboards and configured to dissipate heat for the two mainboards, and a sealing plate connected to the radiator and disposed on a side that is of each mainboard and that is away from the radiator, where each sealing plate and the radiator seal a corresponding mainboard between the sealing plate and the radiator.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: August 15, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jianqiang Yin, Zhenming Hu, Yonghai Mao, Xiaofei Li
  • Publication number: 20230184612
    Abstract: Disclosed is a radial fault simulation test system for rotary mechanical equipment. The system comprises a simulation test bed, a data collection system and a control system, wherein the data collection system is used for collecting the operation state data of a rotating shaft; and the control system is used for receiving the data collected by the data collection system, analyzing and processing the data, and controlling the simulation test bed according to an analysis result. The system adopts a modular design, can simulate the operation state and the fault type of the rotary mechanical system under different rotation conditions and structural forms, can realize a simulation test of the rotary mechanical system under different fault states, and can preferably ensure the accuracy of the test performance of the simulation test.
    Type: Application
    Filed: September 30, 2021
    Publication date: June 15, 2023
    Inventors: Qiang DING, Enzhong WANG, Lei SU, Zhiguo FENG, Yinkang RAN, Yinhui CAI, Tao YANG, Xiaofei LI, Yu ZHANG, Changyun SHUAI, Hongtao SHEN
  • Patent number: 11598885
    Abstract: Disclosed is a method for adaptive identification of erroneous GPS observed value, including: acquiring positioning information of a vehicle from a GPS sensor, and extracting first observed value data; acquiring posture information and speed information of the vehicle to acquire dead reckoning trajectory data of the vehicle; eliminating the erroneous GPS observed values based on respective data on data status value, heading significant bit, the number of satellites used and horizontal dilution of precision in the first observed value data to obtain second observed value data; constructing pose graph data based on the second observed value data and acquiring processing result information; analyzing and optimizing the processing result information to eliminate the erroneous GPS observed values of which the cost function exceeds a preset cost function threshold to obtain third observed value data; and constructing a high-precision map based on the third observed value data and three-dimensional scene map data.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: March 7, 2023
    Assignee: Beijing IDRIVERPLUS Information Technology Co., Ltd.
    Inventors: Guoqi Peng, You Huang, Guolong Zhang, Fang Zhang, Xiaofei Li, Dezhao Zhang, Xiao Wang, Shuhao Huo
  • Patent number: D984004
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 18, 2023
    Inventor: Xiaofei Li