Patents by Inventor Lihua Chen

Lihua Chen 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: 20240141048
    Abstract: The present application provides anti-VISTA constructs that bind to VISTA (e.g., anti-VISTA antibodies), nucleic acid molecules encoding an amino acid sequence of the anti-VISTA, vectors comprising the nucleic acid molecules, host cells containing the vectors, methods of preparing the anti-VISTA construct, pharmaceutical compositions containing the anti-VISTA construct, and methods of using the anti-VISTA construct or compositions.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 2, 2024
    Inventors: Zirong CHEN, Jian LI, Angela NORTON, Shuo WANG, Lihua WU, Zhinan XIA
  • Patent number: 11972888
    Abstract: An inductor for a converter of an electric machine includes a core defining a channel configured to receive transmission fluid on an outer surface of the core. Coils made of windings are wrapped on the core. The windings enclose an open side of the channel to define an oil flow passage, wherein oil flowing through the oil flow passage is in direct contact with both the windings and the core to absorb heat from the windings and the core.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 30, 2024
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Moon Young Lee, Baoming Ge, Fan Wang, Lihua Chen
  • Patent number: 11965271
    Abstract: A flexible electroluminescent fiber for embroidery sequentially includes: metal core wires, a light-emitting layer, a transparent conductive layer, a filament, and a protective paint, wherein a quantity of the metal core wires is an even number, and the metal core wires are pasted together before being wrapped by the light-emitting layer; the light-emitting layer is coated with the transparent conductive layer; the protective paint and the filament are exterior to the transparent conductive layer; the metal core wires emit light through energizing; a diameter of the electroluminescent fiber is 0.1-0.3 mm, and a 20-36V safe voltage is applied for emitting light. The flexible electroluminescent fiber of the present invention has sufficient tensile force, and smooth and soft surface. Appearance and hand feeling of the present invention are the same as those of clothing textile fibers.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: April 23, 2024
    Assignee: Shanghai Kerun Phosphor Technology Co. , Ltd
    Inventors: Yan Zheng, Shufan Geng, Jinshui Zhou, Ruijun Zhang, Chengyi Hou, Hongzhi Wang, Yang Guo, Zhilei Yuan, Lei Chen, Kerui Li, Suwen Guo, Bangzuan He, Kaiyan Zheng, Lihua Quan
  • Publication number: 20240118419
    Abstract: The present disclosure relates to a localization method and apparatus, and a computer apparatus and a computer-readable storage medium. The localization method includes performing radar mapping and visual mapping by respectively using a radar and a vision sensor, wherein a step of the vision mapping includes determining a pose of a key frame; and combining radar localization with vision localization based on the pose of the key frame, to use vision localization results for navigation on a map obtained by the radar mapping.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 11, 2024
    Inventors: Xiujun YAO, Chenguang GUI, Jiannan CHEN, Fuqiang MA, Chao WANG, Lihua CUI, Feng WANG
  • Patent number: 11953169
    Abstract: An in-situ replaceable LED car headlight and a design method, comprising a lamp body shell, a light source assembly provided with LED lamps, a driving assembly, and a fan, wherein the light source assembly is arranged at a head of the lamp body shell, and the driving assembly is arranged at a tail of the lamp body shell; a middle part of the lamp body shell is provided with a central installation part for accommodating the fan, and the fan is installed between the light source assembly and the driving assembly; the driving assembly is electrically connected with the fan by adopting a flexible board connecting wire. A structure in which the fan is arranged in the central position is adopted, so that the fan can be placed in the part with the largest internal space of the lamp body within the range limited by laws and regulations.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: April 9, 2024
    Assignee: Jiaxing Guangtai Lighting Co., Ltd.
    Inventors: Hui Gao, Linghui Chen, Chengjie Zhu, Lihua Hu
  • Publication number: 20240112283
    Abstract: The present disclosure provides an ecological governance method based on erosion prevention and control for a gentle slope farmland and relates to the technical field of ecological governance of farmlands. The ecological governance method based on erosion prevention and control for a gentle slope farmland includes the following steps: sampling a gentle slope farmland to investigate erosion thereof; and determining erosion of a gentle slope cultivated land and selecting a corresponding recovery strategy based on a detection result of a sample, a soil quality index (SQI), and a comprehensive vegetation quality index (VQI), where the recovery strategy includes a natural recovery method and a biological-farming comprehensive recovery method; enclosing the gentle slope cultivated land, fallowing the gentle slope cultivated land and reducing tillage; exterminating insect pests and poisonous weeds in the enclosed area; and turning over straws under soil by a cultivator. The growth of poisonous weeds is inhibited.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 4, 2024
    Inventors: Weiping Yan, Shaofeng Bian, Yongjun Wang, Hongxiang Zhao, Lihua Zhang, Baoyu Chen, Hongjun Wang, Tiehua Cao, Xuanhe Liang, Guobo Tan, Ning Sun, Chen Xu, Fei Li, Xiangmeng Meng, Jinghua Wang, Qingge Wang
  • Publication number: 20240111956
    Abstract: Disclosed are a Nested Named Entity Recognition method based on part-of-speech awareness, system, device and storage medium therefor. The method uses a BiLSTM model to extract a feature of text word data in order to obtain a text word depth feature, and each text word of text to be recognized is initialized into a corresponding graph node, and a text heterogeneous graph of the text to be recognized is constructed according to a preset part-of-speech path, the text word data of the graph nodes is updated by an attention mechanism, and the features of all graph nodes of the text heterogeneous graph are extracted using the BiLSTM model, and a nested named entity recognition result is obtained after decoding and annotating. The present disclosure can recognize ordinary entities and nested entities accurately and effectively, and enhance the performance and advantages of the nested named entity recognition model.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 4, 2024
    Inventors: Jing Qiu, Ling Zhou, Chengliang Gao, Rongrong Chen, Ximing Chen, Zhihong Tian, Lihua Yin, Hui Lu, Yanbin Sun, Junjun Chen, Dongyang Zheng, Fei Tang, Jiaxu Xing
  • Publication number: 20240106345
    Abstract: A variable voltage converter includes a pair of series connected switches, a series connected switch and inductor, and a capacitor having a terminal sharing a node with adjacent terminals of the series connected switches and another terminal sharing a node with adjacent terminals of the series connected switch and inductor such that during operation, a voltage input to the variable voltage converter and a voltage across the capacitor are same and less than a voltage output by the variable voltage converter.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: Baoming Ge, Lihua Chen, Serdar Hakki Yonak
  • Publication number: 20240100959
    Abstract: A vehicle power system includes an inverter electrically connected between a traction battery and electric machine, a three phase coupled inductor electrically connected between the traction battery and inverter, and one or more controllers that operate the inverter while a common mode voltage at a neutral point of the electric machine is constant.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: Baoming Ge, Lihua Chen, Serdar Hakki Yonak
  • Patent number: 11942791
    Abstract: A self-powered wireless keyboard by modifying the structure of a traditional membrane keyboard having a volcanic crater structure. Not damaging the original membrane keyboard structure, a micro magnet core is installed inside a cylindrical protrusion block under the key cap as a mover of the induction power generation device, and an induction coil is wound in a key slot of the keyboard base as the stator of the induction power generation device. In this way, when each key is pressed, it will produce induction current. A layer of flexible solar cell can be laid on the upper surface of the key, which can generate electricity by collecting the light energy in the surrounding environment during the time of daily illumination.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: March 26, 2024
    Assignee: Beijing Institute of Technology
    Inventors: Fang Deng, Yanxin Ji, Xinyu Fan, Yeyun Cai, Chengwei Mi, Feng Gao, Jie Chen, Lihua Dou
  • Publication number: 20240083030
    Abstract: Disclosed are a method and an apparatus for path optimization, a robot and a storage medium. The method includes: acquiring an initial path of a robot, and iteratively optimizing the initial path until a preset iteration termination condition is met to obtain obstacle avoidance path of the robot: acquiring an iteration path corresponding to a current iteration process, determining a smoothness cost and a smoothness optimal gradient; determining a robot's footprint contour corresponding to the iteration path point, and searching for a first nearest obstacle distance; determining an obstacle cost corresponding to the iteration path and an obstacle optimal gradient corresponding to the iteration path point based on the first nearest obstacle distance; adjusting the iteration path point to acquire an iteration path corresponding to a next iteration process; inputting the smoothness cost and the obstacle cost to a preset objective function.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 14, 2024
    Applicant: JINGDONG TECHNOLOGY INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yongyu CHEN, Chao WANG, Xiujun YAO, Chenguang GUI, Lihua CUI
  • Publication number: 20240059187
    Abstract: A power system includes an inverter, a pair of traction batteries electrically in series, and collectively in parallel with the inverter, a plurality of switches electrically in series, and collectively electrically in parallel with the traction batteries and inverter such that the switches are connected between the traction batteries and inverter, and one or more controllers programmed to operate the switches during charge of one of the traction batteries or operation of the inverter to balance states of charge of the traction batteries.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 22, 2024
    Inventors: Lihua Chen, Boris Curuvija, Baoming Ge
  • Patent number: 11876467
    Abstract: An inverter is electrically connected between a traction battery and a switch bank. The inverter includes a plurality of pairs of series connected power semiconductor devices. Each of the pairs is electrically connected in parallel with the traction battery to define a phase leg, and each of the power semiconductor devices has a body diode in parallel therewith. The inverter also includes a plurality of diodes connected in parallel with the power semiconductor devices such that only one of the power semiconductor devices of each of the pairs has one of the diodes connected in parallel therewith.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: January 16, 2024
    Assignee: Ford Global Technologies, LLC
    Inventors: Kun Zhuge, Baoming Ge, Lihua Chen
  • Patent number: 11854729
    Abstract: A vehicle, a vehicle electronics power assembly, and a method for providing and cooling an inductor assembly are provided. The vehicle has provided with a vehicle electrical system with a variable voltage converter (VVC) and an inductor assembly with a core and a winding. A housing is provided with a first housing member and a second housing member. The first and second housing members cooperate to encapsulate the winding and at least a portion of the core of the inductor assembly. The first housing member defines a first inlet and a first outlet, and the second housing member defines a second inlet and a second outlet. A fluid system is connected to the first inlet, the second inlet, the first outlet, and the second outlet to provide pressurized fluid to the first and second inlets to circulate fluid through the housing.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 26, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Lihua Chen, Fan Wang
  • Patent number: 11821141
    Abstract: An airlaid substrate includes at least one bicomponent fiber having a first region and a second region. The first region includes polypropylene and the second includes a blend of an ethylene-base polymer and an ethylene acid copolymer. The ethylene-base polymer has a density from 0.920 g/cm3 to 0.970 g/cm3 and a melt index (I2) from 0.5 g/10 min to 150 g/10 min. The ethylene acid copolymer includes the polymerized reaction product of from 60 wt % to 99 wt % ethylene monomer and from 1 wt % to 40 wt % unsaturated dicarboxylic acid comonomer, based on the total weight of the monomers in the ethylene acid copolymer. The ethylene acid copolymer having a melt index (I2) from 0.5 g/10 min to 500 g/10 min.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: November 21, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Lihua Chen, Phil Xu, Shenglong Chen
  • Publication number: 20230369990
    Abstract: A power converter includes a pair of series connected switches and circuitry. The circuitry includes another switch and an optocoupler that activates responsive to changes in current through one of the series connected switches exceeding a predefined threshold. Activation of the optocoupler causes the another switch to conduct and reduce a gate voltage of the one of the series connected switches to reduce the changes in current through the one of the series connected switches.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 16, 2023
    Inventors: Baoming Ge, Lihua Chen, Serdar Hakki Yonak, Boris Curuvija
  • Patent number: 11799371
    Abstract: A power converter has a pair of series connected switches defining a phase leg, a pair of gate driver circuits that respectively provide power to gates of the series connected switches, a positive rail electrically connected with the phase leg, and a clamping circuit including a clamping switch. The clamping circuit, responsive to one of the gate driver circuits being de-energized, activates the clamping switch with energy from the positive rail to clamp a gate of one of the series connected switches associated with the one of the gate driver circuits to another terminal of the one of the series connected switches.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: October 24, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Yantao Song, Baoming Ge, Lihua Chen, Fan Xu, Serdar Hakki Yonak
  • Publication number: 20230323048
    Abstract: Provided are breathable films and a process for making breathable films. The breathable films comprise a filler and a polymer blend comprising a polyolefin and ethylene copolymer. The process for making the breathable films comprise extruding a polymer blend and a filler, forming a film from the extruded polymer blend and filler, and stretching the film to form a breathable film. The breathable films according to embodiments disclosed herein can exhibit increased WVTR values and can reduce filler dropping while providing improved micro-void uniformity.
    Type: Application
    Filed: September 7, 2021
    Publication date: October 12, 2023
    Inventors: Jingya Li, Lihua Chen, Xilun Weng, Changkan Zheng
  • Patent number: 11784574
    Abstract: A power system for a vehicle includes a traction battery having an output voltage, a transformer including a coil, and a power converter including a plurality of capacitors and a plurality of switches arranged such that when a first subset of the switches are ON, two of the capacitors are in parallel, an AC voltage across the coil is in a positive half cycle, and a voltage across each of the two of the capacitors is half the output voltage.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 10, 2023
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Yantao Song, Baoming Ge, Lihua Chen, Serdar Hakki Yonak
  • Patent number: D1007776
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: December 12, 2023
    Assignee: Youletong E-commerce (Chongqing) Co., Ltd.
    Inventor: Lihua Chen