Patents by Inventor Jianjun Zhang

Jianjun 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).

  • Patent number: 10979231
    Abstract: Disclosed herein are methods, systems, and apparatus for cross-chain authentication. One of the methods includes: obtaining an identity confirmation request and a first public key; obtaining an identity verification request and a corresponding identity verification identifier for identity verification of a user associated with the user terminal; sending the identity verification request and the first public key to the user terminal; obtaining digitally signed data, a second public key, and identity verification data; verifying an identity of the user based on the identity verification data; verifying that the first public key and the second public key correspond to the user; and recording authentication data comprising the digitally signed data and the identity verification identifier to a blockchain.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 13, 2021
    Assignee: Advanced New Technologies Co., Ltd.
    Inventors: Yawen Wei, Jianjun Zhang, Zhiwei Wang
  • Patent number: 10943554
    Abstract: A shift register unit, a method of driving a shift register unit, a gate driving circuit and a touch display device are disclosed. The shift register unit includes a first signal input terminal, a first voltage control terminal, a second signal input terminal, a second voltage control terminal, a signal output terminal, a first voltage terminal, and a second voltage terminal. The shift register unit further comprises a first input circuit, a second input circuit, an output circuit, an anti-leakage circuit, a first control circuit, and a second control circuit. The anti-leakage circuit is configured to bring a first node into conduction with a second node in response to an active potential of the second voltage terminal.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 9, 2021
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhen Wang, Jian Sun, Fei Huang, Yun Qiao, Xiaozhou Zhan, Han Zhang, Wenwen Qin, Lele Cong, Zhengkui Wang, Jianjun Zhang, Peng Liu
  • Publication number: 20210067207
    Abstract: The invention discloses a method and an apparatus for forming a power-efficient digital-analog hybrid beam in a multi-antenna system, and a device. The method includes the following steps. Perform mathematical modeling on a beam forming design firstly to construct a beam forming optimization problem that minimizes ripples in a main lobe and a side lobe. Convert an original optimization problem into an a constraint-separable optimization problem using a penalty function method. Perform iterative solution finally using a block coordinate descent method. The beam designed by the invention has a small peak-to-average ratio, a power amplification efficiency of a power amplifier is very high, and a limited resolution characteristic of the phase shifter is considered. The ripples in the main lobe and the side lobe of the beam designed are very small and a transition band is very narrow.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 4, 2021
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Yongming HUANG, Jianjun ZHANG
  • Publication number: 20210051023
    Abstract: Disclosed herein are methods, systems, and apparatus for cross-chain authentication. One of the methods includes: obtaining an identity confirmation request and a first public key; obtaining an identity verification request and a corresponding identity verification identifier for identity verification of a user associated with the user terminal; sending the identity verification request and the first public key to the user terminal; obtaining digitally signed data, a second public key, and identity verification data; verifying an identity of the user based on the identity verification data; verifying that the first public key and the second public key correspond to the user; and recording authentication data comprising the digitally signed data and the identity verification identifier to a blockchain.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 18, 2021
    Applicant: Advanced New Technologies Co., Ltd.
    Inventors: Yawen Wei, Jianjun Zhang, Zhiwei Wang
  • Patent number: 10902930
    Abstract: A shift register includes a first input sub-circuit, a pull-up control sub-circuit, and a pull-down control sub-circuit. The first input sub-circuit is configured to transmit a voltage from the first signal terminal to the first node under control of the first voltage terminal. The pull-up control sub-circuit is configured to be in a turn-on or turn-off state under control of the first node. The pull-down control sub-circuit is configured to transmit a voltage from the third voltage terminal to the pull-down node under control of the first node, transmit the voltage from the third voltage terminal to the pull-down node under control of the signal output terminal, and transmit a voltage from the first clock signal terminal to the pull-down node under control of the first clock signal terminal.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: January 26, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Liu, Zhen Wang, Han Zhang, Kai Zhang, Yun Qiao, Jian Sun, Bailing Liu, Fei Huang, Zhengkui Wang, Jianjun Zhang
  • Patent number: 10880073
    Abstract: An example operation may include one or more of monitoring, by an adaptive traffic engine, transactions data of a blockchain, detecting, by the adaptive traffic engine, a transaction commit event time out in a blockchain, determining, by the adaptive traffic engine, a processing queue of a the blockchain, measuring, by the adaptive traffic engine, a sending rate of the blockchain, and adjusting the sending rate, by the adaptive traffic engine, based on the transaction commit event time out, the processing queue and the sending rate to optimize performance of the blockchain.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: December 29, 2020
    Assignee: International Business Machines Corporation
    Inventors: Dongming Hwang, Barry Mosakowski, Jianjun Zhang
  • Publication number: 20200397709
    Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.
    Type: Application
    Filed: April 16, 2018
    Publication date: December 24, 2020
    Inventors: Yanlei Zhao, Jianjun Zhang, Xuefang Liu, Yuan Gao, Hongbin Sun, Yanchun Gong, Yongqiang Liu
  • Publication number: 20200396089
    Abstract: Embodiments of this application relate to a digital certificate management method performed at a computer device. The method includes: receiving a digital certificate generation request submitted by a certificate application node; transmitting identification information to consensus authentication centers for certification to obtain certification results obtained by the consensus authentication centers from performing the certification according to the identification information; determining an identification result corresponding to the certificate application node according to the certification results of the consensus authentication centers; generating, when the certification succeeds, a target digital certificate corresponding to the certificate application node submitting the digital certificate generation request; and writing the target digital certificate as a transaction resource into a blockchain associated with the consensus authentication centers.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 17, 2020
    Inventors: Rui GUO, Maocai LI, Jianjun ZHANG, Zhen ZENG, Zichao TANG, Jiguang LU
  • Patent number: 10866128
    Abstract: The embodiments of the present application disclose a method and an apparatus for determining flow rates of components of multiphase fluid. The method comprises: performing a first magnetization treatment and a second magnetization treatment on multiphase fluid in a pipeline in a target oil and gas well, respectively, to obtain first magnetized multiphase fluid and second magnetized multiphase fluid; determining a first echo train signal set and a second echo train signal set corresponding to the first magnetized multiphase fluid and the second magnetized multiphase fluid, respectively; determining contents of an oil phase component, a water phase component, and a gas phase component of the multiphase fluid at a specified horizon position, and determining a flow velocity of the multiphase fluid at the specified horizon position; and determining flow rates of the oil phase component, the water phase component and the gas phase component in the multiphase fluid.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: December 15, 2020
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Feng Deng, Ruidong Zhao, Junfeng Shi, Xin Zhang, Jianjun Zhang, Chunming Xiong, Xishun Zhang, Yi Peng, Shiwen Chen, Wei Yang
  • Publication number: 20200382326
    Abstract: Embodiments of this application relate to a digital certificate verification method and apparatus, a computer device, and a storage medium. The digital certificate verification method is performed by a authentication center, and include receiving a verification request for verifying a target digital certificate; obtaining a target transaction record corresponding to the target digital certificate from a blockchain, the target digital certificate being stored in the blockchain as a transaction resource; obtaining a target account type corresponding to the target transaction record, different account types corresponding to different certificate operation states; and determining a verification result corresponding to the target digital certificate according to the target account type.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 3, 2020
    Inventors: Rui GUO, Maocai LI, Jianjun ZHANG, Zhen ZENG
  • Publication number: 20200372167
    Abstract: A data storage method is provided at a computer system, including: obtaining first data and second data of a target object, the first data and the second data being data of different dimensions for measuring any aspect of the target object from generation to existence; storing the first data and the second data of the target object in the first node; receiving audit information of the first node for indicating the first data and the second data stored in the first node; verifying the audit information based on target audit information of at least one target node that transacts with the first node; broadcasting a verification success notification in the data storage system in a case that the verification succeeds; and determining that a consensus on the audit information is reached in a case that the received verification success notification meets a consensus success condition.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Inventors: Dongyan WANG, Maocai Li, Rui Guo, Haitao Tu, Bo Li, Jianjun Zhang
  • Publication number: 20200356203
    Abstract: A shift register unit, a method of driving a shift register unit, a gate driving circuit and a touch display device are disclosed. The shift register unit includes a first signal input terminal, a first voltage control terminal, a second signal input terminal, a second voltage control terminal, a signal output terminal, a first voltage terminal, and a second voltage terminal. The shift register unit further comprises a first input circuit, a second input circuit, an output circuit, an anti-leakage circuit, a first control circuit, and a second control circuit. The anti-leakage circuit is configured to bring a first node into conduction with a second node in response to an active potential of the second voltage terminal.
    Type: Application
    Filed: December 11, 2018
    Publication date: November 12, 2020
    Inventors: Zhen WANG, Jian SUN, Fei HUANG, Yun QIAO, Xiaozhou ZHAN, Han ZHANG, Wenwen QIN, Lele CONG, Zhengkui WANG, Jianjun ZHANG, Peng LIU
  • Patent number: 10833919
    Abstract: This application discloses a node device operation method, a work status switching apparatus, a node device, and a medium, and relates to the field of network technologies. The method includes: receiving voting requests of a plurality of node devices, a quantity of the plurality of node devices being greater than half a quantity of node devices in a system; obtaining cycle length information and latest log indexes from the voting requests of the plurality of node devices if a current node device operates in a leader state; and switching a current work status from the leader state to a follower state or a candidate state if all the cycle length information in the voting requests of the plurality of node devices is greater than cycle length information of the current node device and all the latest log indexes in the voting requests of the plurality of node devices are not less than a latest log index of the current node device.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: November 10, 2020
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Rui Guo, Maocai Li, Jun Liang, Haitao Tu, Qi Zhao, Zongyou Wang, Jianjun Zhang, Dawei Zhu, Binhua Liu
  • Patent number: 10804046
    Abstract: The present disclosure relates to a key structure and an electronic apparatus. The key structure includes a housing; an electronic switch; a key cap; and a rocker, wherein the housing is provided with an opening configured to mount the key cap, the electronic switch is located inside the housing and corresponds to a position of the opening, and the key cap is mounted in the opening, and wherein the rocker has a first end fixed to the key cap and a second end hinged to the housing, and the rocker has a length larger than or equal to a first predetermined value.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: October 13, 2020
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Jianwei Liu, Shaojie Wang, Jianjun Zhang
  • Patent number: 10795231
    Abstract: The present disclosure discloses an array substrate and its manufacturing method, a display panel and its manufacturing method, and a display device. The array substrate includes: a base substrate; a plurality of data lines; and a plurality of pixel units arranged on the base substrate, where each of the plurality of pixel units includes a plurality of subpixel units, and the plurality of subpixel units is in a one-to-one correspondence with the plurality of data lines, where each of the plurality of subpixel units includes a first subpixel unit and a second subpixel unit that are adjacently arranged, and the data line corresponding to the first subpixel unit and the data line corresponding to the second subpixel unit are both arranged at a position corresponding to a boundary between the first subpixel unit and the second subpixel unit.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: October 6, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Zhengkui Wang, Jian Sun, Yun Qiao, Han Zhang, Zhen Wang, Ruichao Liu, Jianjun Zhang, Peng Liu
  • Patent number: 10795778
    Abstract: This application relates to a shared data recovery method performed at a first node of a data sharing system. The first node obtains a first eigenvalue of a first node after receiving a recovery request carrying a first block height; broadcasts the first eigenvalue to at least one second node and recovery indication information to the at least one second node. After determining, based on the first eigenvalue and a plurality of second eigenvalues, that data in shared data stored by all nodes of the data sharing system is consistent, the first node recovers data within a range of the first block height in the shared data after receiving a preset quantity of a plurality of pieces of recovery indication information, thereby ensuring consistency and security of data included in a block, and reducing pressure on a node of the data sharing system to store the shared data.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 6, 2020
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Rui Guo, Maocai Li, Jianjun Zhang, Haitao Tu, Qi Zhao, Zongyou Wang, Jun Liang, Dawei Zhu, Lisheng Chen, Binhua Liu
  • Patent number: 10790312
    Abstract: A display panel and a display device are provided. The display panel includes a base substrate, the base substrate includes a display region and a non-display region, the display region includes a main display region and a peripheral display region, and the peripheral display region includes an irregular display region; the non-display region includes a first region and a second region, the first region is adjacent to the irregular display region, and the second region is adjacent to other regions of the peripheral display region than the irregular display region; the display region includes at least one signal line, the non-display region includes at least one functional circuit and at least one wire, and the at least one functional circuit is coupled to the at least one signal line via the at least one wire.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 29, 2020
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yun Qiao, Zhen Wang, Lele Cong, Zhengkui Wang, Jianjun Zhang, Han Zhang, Wenwen Qin, Fei Huang, Xiaozhou Zhan, Peng Liu, Jian Sun
  • Publication number: 20200259665
    Abstract: A transaction data processing method includes: receiving a first transaction document from a device of a transaction initiator, the first transaction document being associated with identity labels of a plurality of transaction participants; separately performing identity authentication on the plurality of transaction participants according to the identity labels of the plurality of transaction participants, to obtain an identity authentication result.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Inventors: Rui GUO, Dongyan WANG, Maocai LI, Jun LIANG, Jianjun ZHANG, Zongyou WANG, Binhua LIU, Haitao TU, Qing QIN, Bo LI
  • Patent number: 10714510
    Abstract: An array substrate includes: a base substrate; at least one first connection terminal, at least one second connection terminal, and at least one connection line, which are disposed on the base substrate and located in a non-display area of the array substrate, the at least one connection line being connected with the at least one first connection terminal and the at least one second connection terminal; at least one gate line disposed on the base substrate and located in a display area of the array substrate. The first connection terminal is for connecting with an IC, and the second connection terminal is for connecting with a flexible circuit board. A resistivity of at least a part of each of at least one of the at least one connection line is less than a resistivity of the at least one gate line.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: July 14, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Lele Cong, Jian Sun, Zhengkui Wang, Wenwen Qin, Jianjun Zhang
  • Patent number: 10705367
    Abstract: An array substrate includes a base substrate, a plurality of first signal lines extending in a first direction, a plurality of second signal lines located on a different layer from the first signal lines and extending in a second direction intersecting the first direction, and a plurality of touch signal lines extending in the second direction disposed on the base substrate. Each touch signal line includes a first touch line segment and a second touch line segment, the first touch line segment disposed on the same layer as the first signal lines, and at least partially overlapping with at least one of the second signal lines in a direction perpendicular to a surface of the base substrate, the second touch line segment disposed on a different layer from the first signal lines, and the first touch line segment electrically connected with the second touch line segment through a first via.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: July 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhengkui Wang, Jian Sun, Fei Huang, Jiguo Wang, Yun Qiao, Xiaozhou Zhan, Han Zhang, Zhen Wang, Wenwen Qin, Lele Cong, Peng Liu, Jianjun Zhang