Patents by Inventor Dawei Chen

Dawei 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).

  • Patent number: 12715362
    Abstract: Systems and methods are provided for removing vehicle induced line-of-sight occlusions. Such systems and methods may comprise: (1) obtaining an image frame captured by an image sensor in a vehicle, the image frame comprising an object in an environment surrounding the vehicle; (2) detecting an occlusion event based on a vehicle structure occluding the object from an occupant of the vehicle; (3) modifying the image frame based on a metric of computation resources of the vehicle; (4) generating a data object representative of the occlusion event from the modified image frame; and (5) outputting the data object to a rendering device, wherein the rendering device renders a graphical visualization of the data object on a display viewable by the occupant of the vehicle.
    Type: Grant
    Filed: August 2, 2024
    Date of Patent: August 25, 2026
    Assignees: TOYOTA MOTOR NORTH AMERICA, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yitao Chen, Dawei Chen, Kyungtae Han, Onur Altintas
  • Patent number: 12717613
    Abstract: A cloud server may estimate an amount of computing resources needed to perform a computing task, generate a first proposal indicating first parameters for the server to perform the task based on the estimate, obtain, from one or more edge servers, second proposals indicating second parameters for the edge servers to perform the task, transmit the first proposal and the second proposals to a vehicle, upon receiving acceptance of the first proposal, perform the task based on the first parameters, and transmit data associated with performance of the task to the vehicle, and upon receiving acceptance of one of the second proposals, transmit the acceptance to the edge server associated with the accepted proposal.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: August 25, 2026
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Haoxin Wang, Dawei Chen, Rohit Gupta, Kyungtae Han
  • Publication number: 20260241960
    Abstract: An example operation includes one or more of receiving a request from a vehicle for an artificial intelligence (AI) task to be performed by the vehicle, identifying a plurality of AI models that can each perform the AI task, determining an optimum AI model from among the plurality of AI models based on respective energy consumption data of the plurality of AI models and hardware constraints of at least one processor of the vehicle, and deploying an instance of the optimum AI model to a software application being executed by the at least one processor of the vehicle.
    Type: Application
    Filed: February 18, 2025
    Publication date: August 20, 2026
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Dawei Chen, Yitao Chen, Kyungtae Han, Onur Altintas
  • Publication number: 20260243884
    Abstract: A method and a device for sensing synchronization and a computer-readable medium are provided. The method includes: determining sending times, receiving times and receiving angles of sensing signals; determining theoretical reflection positions of the sensing signals according to a position of a receiving end and the receiving angles; determining distance differences of the sensing signals; the distance difference is an absolute value of a difference between a time distance and a position distance of the sensing signal, the time distance is a distance that the sensing signal is transmitted from the sending time to the receiving time, and the position distance is a sum of distances from the theoretical reflection position to the receiving end and a transmitting end; selecting a one-reflection-path distance difference from the distance differences; determining a synchronization error between the transmitting end and the receiving end according to the one-reflection-path distance difference.
    Type: Application
    Filed: June 13, 2023
    Publication date: August 20, 2026
    Inventors: Shijun CHEN, Junqiang LI, Dawei CHEN, Shuqiang XIA
  • Publication number: 20260235745
    Abstract: A method and device of wirelessly sensing environmental grayscale and a computer-readable medium are provided. The method includes: acquiring time-domain impulse responses of sensing echo signals received by a receiving end, wherein the sensing echo signals are signals formed when sensing signals arrive at the receiving end; determining an angular energy of the receiving end in each of a plurality of angular directions within a preset continuous angle range based on the time-domain impulse responses of the sensing echo signals, wherein the angular energy represents a strength of the time-domain impulse responses of the sensing echo signals in the angular direction; and determining an environmental grayscale image of the receiving end based on angular energies in the plurality of angular directions, wherein the environmental grayscale image includes pixels corresponding to the angular directions, and grayscale values of the pixels represent the angular energies in corresponding angular directions.
    Type: Application
    Filed: January 16, 2024
    Publication date: August 13, 2026
    Inventors: Shijun CHEN, Junqiang LI, Dawei CHEN, Shuqiang XIA
  • Publication number: 20260207751
    Abstract: The present disclosure pertains to the technical field of pharmaceutical formulations and particularly relates to a low-aggregate ophthalmic nano-formulation for efficient drug delivery, a preparation method therefor, and use thereof. The use mainly relates to the treatment of ocular diseases. The described low-aggregate ophthalmic nano-formulation of the present disclosure is prepared from a drug molecule, a phospholipid or a derivative thereof, and an amphiphilic surfactant. The concentration of the phospholipid or the derivative thereof is 0.05%-60% by weight, and the concentration of the amphiphilic surfactant is 0.05%-25% by weight. The ocular delivery system of the low-aggregate nano-formulation prepared in the present disclosure has the advantages of a particle size smaller than 10 nm, good tissue permeability, good stability, and a low irritation level, which greatly improve the bioavailability of ocular drug administration.
    Type: Application
    Filed: November 3, 2023
    Publication date: July 23, 2026
    Applicant: SHENYANG PHARMACEUTICAL UNIVERSITY
    Inventors: Mingxi QIAO, Wenmin WANG, Yan GAO, Meiqi CHEN, Dawei CHEN
  • Patent number: 12690023
    Abstract: Provided are a frequency-domain data merging method and apparatus, a storage medium, and an electronic apparatus. The method includes: respectively performing up-conversion on baseband data of a plurality of frequency bands in a frequency domain, so as to obtain frequency-domain received data of each frequency band from among the plurality of frequency bands that has been subjected to up-conversion; and merging the frequency-domain received data of each frequency band that has been subjected to up-conversion, so as to obtain merged frequency-domain received data.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: July 21, 2026
    Assignee: ZTE CORPORATION
    Inventors: Shijun Chen, Dawei Chen, Junqiang Li
  • Publication number: 20260204966
    Abstract: The application discloses a motor rotor structure. The motor rotor structure includes a rotor portion (1) that includes a rotor core (11) and a plurality of magnets (12), wherein the motor rotor structure includes: two limit rings (2) at respective ends of the rotor portion (1); a plurality of limit bars (3), equal in number to the magnets (12), arranged alternately with the magnets (12), each limit bar (3) having both ends integrally connected with the corresponding limit rings (2); and limit faces (4), respectively provided at both end positions on an outside wall of each magnet (12) away from the rotor core (11), wherein limit slots (5) are formed between adjacent limit faces (4), and the limit bars (3) are fitted into the corresponding limit slots (5), such that the two limit rings (2) and the limit bars (3) jointly tighten the magnets (12) onto the rotor core.
    Type: Application
    Filed: November 21, 2025
    Publication date: July 16, 2026
    Applicant: JL MAG Bonded Magnet Co., Ltd.
    Inventors: Zhenggang YOU, Clair LIU, Dawei CHEN
  • Patent number: 12673969
    Abstract: CD73 (also known as ecto-5?-nucleotidase) inhibitor compounds are provided, as well as compositions and uses thereof for treating or preventing CD73-associated or related diseases, disorders and conditions, including cancer- and immune-related disorders. CD73 inhibitor compounds include compounds having the structure set forth in Formula I? and pharmaceutically acceptable esters or salts thereof.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: July 7, 2026
    Assignee: RISEN (SUZHOU) PHARMA TECH CO., LTD.
    Inventors: Jiasheng Lu, Gang Chen, Qiguo Zhang, Xianqi Kong, Dawei Chen, Chuanhao Huang, Xingwu Zhu, Yuhua Zhang
  • Patent number: 12638540
    Abstract: Disclosed are a cooperative positioning method and apparatus, a device, and a non-transitory computer-readable storage medium. The method may include: determining an initial positioning estimated value of each of a plurality of objects to be measured by a simulated annealing algorithm and a first preset positioning algorithm; screening at least two distance measurement values based on a preset error threshold to obtain a target distance measurement value, where the at least two distance measurement values are measurement values obtained by measuring a distance between each object to be measured and each of a plurality of target base stations for at least two times; and determining a position of each object to be measured according to a multi-target-source Taylor series algorithm, each target distance measurement value and each initial positioning estimated value.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: May 26, 2026
    Assignee: ZTE CORPORATION
    Inventors: Dawei Chen, Shijun Chen, Lingfei Jin, Luyan Qian, Junqiang Li, Yang Wang
  • Publication number: 20260105839
    Abstract: Systems and methods for detecting one or more approaching vehicles include one or more processors and an infrastructure camera operable to capture one or more images of surroundings of an ego vehicle. The surroundings include a ramp, one or more lanes of a freeway, and the one or more approaching vehicles, and the ramp and the lanes share at least one merging point. The one or more processors operable to transform the one or more images of surroundings to a bird's eye view of the surroundings, generate a static segmentation map and one or more dynamic objects in the static segmentation map based on the bird's eye view, predict a lane occupancy of the ramp and the lanes based on range estimation of the ego vehicle and the one or more dynamic objects, and transmit information about the predicted lane occupancy to the ego vehicle.
    Type: Application
    Filed: October 15, 2024
    Publication date: April 16, 2026
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Rohit Gupta, Qi Chen, Dawei Chen
  • Publication number: 20260048131
    Abstract: The disclosure relates to bifunctional compounds with a K-L-T structure, or a pharmaceutically acceptable salt or ester or hydrate or solvate or stereoisomer thereof, and uses thereof for treating, inhibiting and/or preventing KRAS-associated diseases, disorders and conditions, including cancers, tumors and hyperplastic disorders.
    Type: Application
    Filed: August 14, 2025
    Publication date: February 19, 2026
    Inventors: Jiasheng LU, Xiang JI, Kang DU, Qiguo ZHANG, Gang WU, Xiaolin HE, Yanpeng WU, Bin ZONG, Tianlun ZHOU, Dawei CHEN
  • Publication number: 20260034938
    Abstract: Systems and methods are provided for removing vehicle induced line-of-sight occlusions. Such systems and methods may comprise: (1) obtaining an image frame captured by an image sensor in a vehicle, the image frame comprising an object in an environment surrounding the vehicle; (2) detecting an occlusion event based on a vehicle structure occluding the object from an occupant of the vehicle; (3) modifying the image frame based on a metric of computation resources of the vehicle; (4) generating a data object representative of the occlusion event from the modified image frame; and (5) outputting the data object to a rendering device, wherein the rendering device renders a graphical visualization of the data object on a display viewable by the occupant of the vehicle.
    Type: Application
    Filed: August 2, 2024
    Publication date: February 5, 2026
    Applicants: TOYOTA MOTOR NORTH AMERICA, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: YITAO CHEN, DAWEI CHEN, KYUNGTAE HAN, ONUR ALTINTAS
  • Publication number: 20260029522
    Abstract: The disclosure provides a multi-target position classification wireless sensing method, including: determining channel impulse response of each antenna oscillator in multi-antenna array in receiving sensing signal; calculating delay-angle of arrival spectrum according to the channel impulse response of each antenna oscillator in receiving sensing signal; dividing and classifying path distribution area according to delay-angle of arrival spectrum; for separable path, taking angle corresponding to a maximum amplitude point in ambiguity range of separable path as angle of arrival of separable path, and taking time corresponding to maximum amplitude point in ambiguity range as time of arrival of separable path; and for inseparable path, according to angle ambiguity range and delay ambiguity range of graph including inseparable paths, estimating angle of arrival and time of arrival of each inseparable path in graph of inseparable paths.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 29, 2026
    Inventors: Shijun CHEN, Dawei CHEN, Junqiang LI, Haojian ZHANG, Shuqiang XIA
  • Publication number: 20260028054
    Abstract: A rail vehicle and a low-vacuum rail vehicle system. The rail vehicle comprises: a ram air inlet, the ram air inlet being provided outside a carriage; a compressor, an air inlet of the compressor being communicated with the ram air inlet; a heat exchanger, a hot-side inlet of the heat exchanger being communicated with an air outlet of the compressor), a hot-side outlet of the heat exchanger being communicated with the inner space of the carriage, and a cold side of the heat exchanger being provided with a refrigerant for heat exchange; and an exhaust valve, a first end of the exhaust valve being provided on the inner side of the carriage, and a second end of the exhaust valve being provided on the outer side of the carriage.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 29, 2026
    Inventors: Dawei CHEN, Yongxia LAN, Yue LIU, Xiaotao LU, Qi ZHANG
  • Patent number: 12519586
    Abstract: Provided are a networking signal sending method and device for a positioning network. The method includes: determining a networking mode of the positioning network according to an application scene, wherein the networking mode includes independent networking of the positioning network and joint networking of the positioning network and a communication network; and configuring a positioning base station of the positioning network, or the positioning base station and a communication base station according to the networking mode, wherein the positioning base station is used for sending a positioning signal or the positioning signal and a synchronization signal, and the communication base station is used for sending the synchronization signal.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: January 6, 2026
    Assignee: ZTE CORPORATION
    Inventors: Shijun Chen, Dawei Chen, Yang Wang, Junqiang Li
  • Publication number: 20260003061
    Abstract: Provided are a balanced wireless sensing method, a communication node, and a storage medium. The balanced wireless sensing method includes determining a delay-Doppler spectrum of a received signal in the current sensing period; jointly partitioning the delay range and the angle range of the sensed received signal, where a joint partition includes a delay partition and an angle partition; and determining an angle traversal step size corresponding to each delay partition and a preset number of sensed objects in each joint partition; for each joint partition, sensing information about at most the preset number of sensed objects in the joint partition according to the delay-Doppler spectrum and the angle traversal step size of the joint partition; determining a trajectory within a sensing range according to information sensed in multiple sensing periods; and determining a moving object according to the trajectory.
    Type: Application
    Filed: May 30, 2023
    Publication date: January 1, 2026
    Inventors: Shijun CHEN, Dawei CHEN, Feixiong LUO, Junqiang LI
  • Patent number: 12511769
    Abstract: Provided are a disparity estimation method and apparatus, an image processing device, and a storage medium. The method includes: processing input images based on a first network model to obtain a direct cost volume of the input images, where the input images include a first image and a second image, and the first network model includes a convolutional neural network, a pyramid convolutional network, and a spatial pyramid pooling layer; processing the input images based on a second network model to obtain an associated cost volume of the input images, where the second network model includes a residual network; determining an estimated cost of the input images according to the associated cost volume and the direct cost volume; and calculating an estimated disparity corresponding to the first image and the second image according to the estimated cost.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: December 30, 2025
    Assignee: ZTE CORPORATION
    Inventors: Dawei Chen, Shijun Chen, Dengping Lin, Junqiang Li, Juan Du
  • Patent number: 12499555
    Abstract: A method for video instance segmentation is provided. The method includes inputting a plurality of video frames collected by a sensor of a vehicle to a trained machine learning model to obtain an n-th output from an n-th layer of the trained machine learning model and an n+1-st output from an n+1-st layer of the trained machine learning model, the trained machine learning model comprising a deep learning model and early-exit subnets, and in response to determining that a difference between the n-th output and the n+1-st output is less than a threshold value, controlling the vehicle based on the n+1-st output, the n+1-st output includes information about instances in the plurality of video frames.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: December 16, 2025
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yitao Chen, Dawei Chen, Kyungtae Han
  • Publication number: 20250333730
    Abstract: The present disclosure relates to an siRNA for inhibiting the expression of an angiopoietin-like protein 3 (ANGPTL3) gene, an siRNA conjugate, and a pharmaceutical composition thereof, and a method for reducing the expression of the ANGPTL3 gene by using the siRNA, the siRNA conjugate, and the pharmaceutical composition thereof. The siRNA, the siRNA conjugate, and the pharmaceutical composition thereof of the present disclosure can be used for treating and/or preventing an ANGPTL3 gene-mediated disease or disorder.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 30, 2025
    Inventors: Jun Pan, Xinxin Ma, Peiming Song, Chun Wu, Hui Feng, Sheng Yao, Jiasheng Lv, Haixiao Siyang, Yijie Yin, Wantao Guo, Haiming Li, Dawei Chen, Jiamin Gu, Xianqi Kong