Patents by Inventor Juan Du

Juan Du 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: 20210017445
    Abstract: The present invention relates to a carbonate reservoir filtration-loss self-reducing acid fracturing method.
    Type: Application
    Filed: June 24, 2020
    Publication date: January 21, 2021
    Inventors: Weiyu CHEN, Liqiang ZHAO, Zhifeng LUO, Juan DU, Pingli LIU, Nianyin LI, Kun XU
  • Publication number: 20200410637
    Abstract: An interframe registration and adaptive step size-based non-uniformity correction method for an infrared image, comprising: first calculating a normalized cross-power spectrum of n-th and (n?1)-th original infrared images with the non-uniformity, and then calculating a horizontal relative displacement and a vertical relative displacement of the n-th and (n?1)-th original infrared images with the non-uniformity; calculating a space variance and a time variance of each pixel of the n-th original infrared image with the non-uniformity, using the obtained space variance and time variance to calculate an adaptive iterative step size of each pixel of the n-th original infrared image with the non-uniformity, and using the iterative step size to update a gain correction coefficient and a bias correction coefficient; finally, performing non-uniformity correction on the pixel in an overlapping area of the n-th and (n?1)-th original infrared images with the non-uniformity.
    Type: Application
    Filed: March 28, 2018
    Publication date: December 31, 2020
    Inventors: Huixin ZHOU, Dong ZHAO, Runda QIAN, Lixin GUO, Xiuping JIA, Jun ZHOU, Maosen HUANG, Hanlin QIN, Bo YAO, Yue YU, Huan LI, Jiangluqi SONG, Bingjian WANG, Kuanhong CHENG, Juan DU, Shangzhen SONG
  • Publication number: 20200393315
    Abstract: A high frequency response pressure sensor based on direct current glow discharge plasma principle is provided, including: discharging electrodes including a cathode and an anode and used for generating a plasma between the cathode and the anode under the effect of a high voltage direct current power supply; a support structure used for supporting and fixing the discharging electrodes and ensuring that a stable gap is provided between the cathode and the anode; and a shielding casing used for shielding the plasma from an external gas so that the plasma remains unaffected by a flow speed of the external gas and senses only a change in pressure of the external gas. The high frequency response pressure sensor is not affected by mass inertia and has the potential of breaking through MHz high frequency response.
    Type: Application
    Filed: October 31, 2017
    Publication date: December 17, 2020
    Applicant: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Fan LI, Juan DU, Sichen WANG, Hongwu ZHANG, Chaoqun NIE
  • Patent number: 10819641
    Abstract: Techniques for maintaining high availability servers are disclosed. For example, a method comprises the following steps. One or more client requests are provided to a first server for execution therein. The one or more client requests are also provided to a second server for storage therein. In response to the first server failing, the second server is configured to execute at least one client request of the one or more client requests provided to the first server and the second server that is not properly executed by the first server.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: October 27, 2020
    Assignee: International Business Machines Corporation
    Inventors: Juan Du, Arun K. Iyengar, Gong Su
  • Publication number: 20200332159
    Abstract: The present disclosure relates to a frame sealant, a preparation method therefor, and a display mother substrate and a display device using the same. The sealant includes: 20-30 parts by weight of a long-chain acrylate emulsion, 4-8 parts by weight of a photoinitiator, 10-20 parts by weight of a methacrylate, and 46-66 parts by weight of fibers.
    Type: Application
    Filed: February 6, 2018
    Publication date: October 22, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongpeng LI, Juan DU
  • Publication number: 20200314647
    Abstract: A message authentication and communication method for a communication network system comprises: the access control device receiving a communication establishment request sent by the first mobile apparatus; the access control device sending a communication mutual authentication request to the authentication server in response to the communication establishment request; the access control device receiving a mutual authentication response message sent by the authentication server in response to the communication mutual authentication request; the access control device authenticating the mutual authentication response message; when the mutual authentication response message is authenticated successfully, the access control device sending a mutual authentication message to the first mobile apparatus.
    Type: Application
    Filed: December 7, 2018
    Publication date: October 1, 2020
    Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD
    Inventors: Jian WANG, Nan JIANG, Xiaowei LU, Juan DU
  • Publication number: 20200300082
    Abstract: The invention discloses a calculation method for dynamic fluid loss of acid-etched fracture considering wormhole propagation, which is applied to pad acid fracturing process, comprising the following steps: Step 1: dividing the construction time T of injecting acid fluid into artificial fracture into m time nodes at equal intervals, then the time step ?t=T/m and tn=n?t, where, n=0, 1, 2, 3, . . . , m, and to is the initial time; Step 2: calculating the fluid loss velocity vl(0) in the fracture at t0; Step 3: calculating the flowing pressure distribution P(n) in the fracture at tn; Step 4: calculating the width wa(n) of acid-etched fracture at tn; Step 5: calculating the wormhole propagation and the fluid loss velocity vl(n) at tn; Step 6: substituting the fluid loss velocity vl(n) into Step 3, and repeating Step 3 to Step 6 in turn until the end of acid fluid injection.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Applicants: SOUTHWEST PETROLEUM UNIVERSITY, PETROCHINA COMPANY LIMITED
    Inventors: Pingli Liu, Xiang Chen, Heng Xue, Honglan Zou, Liqiang Zhao, Nianyin Li, Daocheng Wang, Zhifeng Luo, Juan Du, Chong Liang, Mingyue Cui, Fei Liu, Changlin Zhou, Rong Zeng
  • Publication number: 20200293494
    Abstract: An application is used to identify a data identifier associated with data to be queried. The application and the data identifier are used to identify data in a cache associated with the data identifier and a first version identifier corresponding to the data in the cache associated with the data identifier. In response to determining that the first version identifier does not match a second version identifier, the application is used to obtain data from a database associated with the data identifier, and the application is used to replace the data in the cache associated with the data identifier with the data from the database associated with the data identifier.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: Alibaba Group Holding Limited
    Inventor: Juan DU
  • Patent number: 10740395
    Abstract: An apparatus includes a processor to: train a first neural network of a chain to generate first configuration data including first trained parameters, wherein the chain performs an analytical function generating a set of output values from a set of input values, each neural network has inputs to receive the set of input values and outputs to output a portion of the set of output values, and the neural networks are ordered from the first at the head to a last neural network at the tail, and are interconnected so that each neural network additionally receives the outputs of a preceding neural network; train, using the first configuration data, a next neural network in the chain ordering to generate next configuration data including next trained parameters; and use at least the first and next configuration data and data indicating the interconnections to instantiate the chain to perform the analytical function.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: August 11, 2020
    Assignee: SAS INSTITUTE INC.
    Inventors: Henry Gabriel Victor Bequet, Jacques Rioux, John Alejandro Izquierdo, Huina Chen, Juan Du
  • Publication number: 20200217748
    Abstract: A dynamic five-hole probe includes a pressure sensing part, a pressure measuring hole transition section, a pressure acquisition section, dynamic pressure sensors and flexible wall pressure buffering tubes, the pressure sensing part being provided with pressure measuring holes to sense three dimensional dynamic pressure components of an airflow; the pressure measuring hole transition section transits from an inlet end surface five-hole structure into an outlet end surface five-hole structure; the pressure acquisition section has therein a centrally symmetric pressure measuring hole structure; pressure sensor mounting holes are in communication with the five pressure measuring holes; each of the dynamic pressure sensors is mounted in a corresponding one of the sensor mounting holes to measure a dynamic pressure of the airflow. The pressure sensing part may have a diameter of 3 mm or less.
    Type: Application
    Filed: October 31, 2017
    Publication date: July 9, 2020
    Applicant: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Sichen WANG, Juan DU, Fan LI, Zhiting TONG, Chaoqun NIE, Hongwu ZHANG
  • Publication number: 20200208107
    Abstract: The present invention provides a pluripotent stein cell comprising a co-expression vector in which Runx1 and Hoxa9 are of in tandem, and a T cell differentiated therefrom and application thereof. In the present invention, Pluripotent stein cells inducibly co-expressing exogenous Runx1 and Hoxa9 are successfully established by introducing an exogenous vector co-expressing Runx1 and Hoxa9 into pluripotent stein cells. The pluripotent stein cells are directionally differentiated into T-lineage progenitor cells and will be developed into T cells. The pluripotent stein cell-derived T cells obtained by the method of the present invention are not only functionally normal but also have no tumorigenic risk.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 2, 2020
    Inventors: Jinyong WANG, Rongqun GUO, Mengyun ZHANG, Lijuan LIU, Xiaofei LIU, Cui LV, Juan DU
  • Patent number: 10687722
    Abstract: A system and associated method for determining whether a signal is ambiguous, wherein the system includes a plurality of electrodes configured to be located proximate tissue of a patient. A display apparatus thereof includes a graphical user interface configured to present information to a user. A computing apparatus thereof is configured to determine maximums for beats of signals from the electrodes.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 23, 2020
    Assignee: Medtronic, Inc.
    Inventors: Juan Du, Subham Ghosh, Jeffrey M. Gillberg
  • Publication number: 20200170554
    Abstract: A system, device and methods for quantitatively monitoring and evaluating changes in water and hemoglobin content in the brain in a non-invasive manner are provided. The system may be used for real-time detection and monitoring of brain edema and/or for an assessment of cerebral autoregulation.
    Type: Application
    Filed: October 23, 2019
    Publication date: June 4, 2020
    Inventors: Meltem Izzetoglu, Juan Du, Baruch Ben Dor, Shadi Malaeb
  • Patent number: 10650045
    Abstract: An apparatus includes a processor to: train a first neural network of a chain to generate first configuration data including first trained parameters, wherein the chain performs an analytical function generating a set of output values from a set of input values, each neural network has inputs to receive the set of input values and outputs to output a portion of the set of output values, and the neural networks are ordered from the first at the head to a last neural network at the tail, and are interconnected so that each neural network additionally receives the outputs of a preceding neural network; train, using the first configuration data, a next neural network in the chain ordering to generate next configuration data including next trained parameters; and use at least the first and next configuration data and data indicating the interconnections to instantiate the chain to perform the analytical function.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: May 12, 2020
    Assignee: SAS INSTITUTE INC.
    Inventors: Henry Gabriel Victor Bequet, Jacques Rioux, John Alejandro Izquierdo, Huina Chen, Juan Du
  • Publication number: 20200133977
    Abstract: An apparatus includes a processor to: train a first neural network of a chain to generate first configuration data including first trained parameters, wherein the chain performs an analytical function generating a set of output values from a set of input values, each neural network has inputs to receive the set of input values and outputs to output a portion of the set of output values, and the neural networks are ordered from the first at the head to a last neural network at the tail, and are interconnected so that each neural network additionally receives the outputs of a preceding neural network; train, using the first configuration data, a next neural network in the chain ordering to generate next configuration data including next trained parameters; and use at least the first and next configuration data and data indicating the interconnections to instantiate the chain to perform the analytical function.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Henry Gabriel Victor Bequet, Jacques Rioux, John Alejandro Izquierdo, Huina Chen, Juan Du
  • Publication number: 20200129140
    Abstract: The present disclosure refers to a system for determining a cortical bone, comprising: an ultrasound transducer which is configured to transmit an ultrasound wave to a region of interest, and to receive a backscattered ultrasound wave which is backscattered from the region of interest, wherein the region of interest comprises a cortical bone; and an evaluation unit which is configured to determine at least one of a pore size, a bone thickness, and a speed of sound in the cortical bone by evaluating the backscattered ultrasound wave. Further, a method for determining a cortical bone is provided. A computer program product which, when executed by a processor, executes the method.
    Type: Application
    Filed: June 21, 2018
    Publication date: April 30, 2020
    Inventors: Kay RAUM, Juan DU, Gianluca IORI
  • Patent number: 10536420
    Abstract: An information processing method is performed at a server that is communicatively connected to a client device. The method includes: receiving a first request from a first user account of a social application running on the client device; establishing a communications session between the client device and the server after the first request is authenticated; pushing, via the communications session, to the first user account information associated with a social group including the first user account and at least one second user account; and pushing, via the communications session, to the first user account second multi-media information propagated by a third user account of the social application and interaction information by the at least one second user account in the social group on the second multi-media information that satisfy a preset policy.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: January 14, 2020
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xun Yao, Hao Li, Qianya Lin, Leteng Weng, Zheng Tang, Yangbin Huang, Shuyuan Li, Chuanyu Zhang, Jin Lin, Juan Du, Bin Zhang
  • Publication number: 20190384790
    Abstract: An apparatus includes a processor to: train a first neural network of a chain to generate first configuration data including first trained parameters, wherein the chain performs an analytical function generating a set of output values from a set of input values, each neural network has inputs to receive the set of input values and outputs to output a portion of the set of output values, and the neural networks are ordered from the first at the head to a last neural network at the tail, and are interconnected so that each neural network additionally receives the outputs of a preceding neural network; train, using the first configuration data, a next neural network in the chain ordering to generate next configuration data including next trained parameters; and use at least the first and next configuration data and data indicating the interconnections to instantiate the chain to perform the analytical function.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Inventors: Henry Gabriel Victor Bequet, Jacques Rioux, John Alejandro Izquierdo, Huina Chen, Juan Du
  • Patent number: 10499838
    Abstract: A system, device and methods for quantitatively monitoring and evaluating changes in water and hemoglobin content in the brain in a non-invasive manner are provided. The system may be used for real-time detection and monitoring of brain edema and/or for an assessment of cerebral autoregulation.
    Type: Grant
    Filed: April 23, 2016
    Date of Patent: December 10, 2019
    Assignee: Drexel University
    Inventors: Meltem Izzetoglu, Juan Du, Baruch Ben Dor
  • Patent number: 10493106
    Abstract: The present invention discloses a method for remolding bone marrow microenvironment in a subject having an impaired bone marrow microenvironment, which comprises implanting a composition comprising isolated mesenchymal stromal cells (MSCs) into the bone marrow cavity of the subject. The method of the present invention successfully remolds the bone marrow microenvironment, recovers the normal hematopoiesis of bone marrow, inhibits/delays the pathological process of leukemia and significantly prolongs the survival period. In addition, the method according to the present invention can be used for the treatment of hematologic tumors such as leukemia and aplastic anemia (AA), which is safe and effective but has no side effects.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 3, 2019
    Assignee: GUANGZHOU INSTITUTES OF BIOMEDICINE AND HEALTH, CHINESE ACADEMY OF SCIENCES
    Inventors: Jinyong Wang, Chengxiang Xia, Yong Dong, Tongjie Wang, Xiaofei Liu, Juan Du, Yang Geng, Lijuan Liu, Hongling Wu