Patents by Inventor Junhua Zhu

Junhua Zhu 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: 11513053
    Abstract: The present disclosure discloses a method for determining optimal preservation temperature of the anaerobic ammonia oxidation biofilm in wastewater treatment, and belongs to the technical field of environmental engineering. The method of the present disclosure characterizes the ratio of living cells, early apoptotic cells, late apoptotic cells and dead cells in the anaerobic ammonia oxidation biofilm by flow cytometry, and the optimum storage temperature can be measured within a few hours. The method of the present disclosure performs correlation analysis on the characteristic indexes of the anaerobic ammonia oxidation biofilm activity recovery process to verify the reliability of the data. By using the method of the present disclosure, the step of recovering the biofilm activity can be omitted, the removal rates of ammonia nitrogen and total nitrogen were over 90% and 85%, respectively.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: November 29, 2022
    Assignee: Jiangnan University
    Inventors: Shuo Wang, Yin Zhu, Xuesong Yi, Ji Li, Yan Wang, Junhua Zheng
  • Patent number: 11370795
    Abstract: The present invention relates a process for the synthesis of 6-((3S,4S)-4-methyl-1-(pyrimidin-2 ylmethyl)pyrrolidin-3-yl)-3-tetrahydropyran-4-yl-7H-imidazo[1,5-a]pyrazin-8-one, comprising use of the chiral acid (+)-O,O-Dibenzoyl-D-tartaic acid.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: June 28, 2022
    Assignee: Imara Inc.
    Inventors: Niels Svenstrup, Jun Zhang, Jikui Sun, Yuyin Chen, Jianshe Kong, Rujian Ma, Junhua Zhang, Liang Qin, Huanming Xiao, Jinxu Sun, Xiao Meng, Fenglai Sun, Jingyang Zhu
  • Patent number: 11288413
    Abstract: The present disclosure provides a method for automatic modeling of an architecture based on an architectural drawing, comprising steps of: reading parameter information of the architectural drawing, identifying a category to which any architectural object belongs by acquiring line segments constituting the architectural object and coordinate data of endpoints of the line segments; generating a binary file or a preset number of binary files based on the coordinate data and elevation data of the endpoints of all the line segments of architectural objects belonging to the same category for all storeys of the architectural drawing; optimizing the binary file or the binary files corresponding to the architectural objects belonging to the same category for all the storeys of the architectural drawing; and generating a three-dimensional model of the architecture. The modeling precision and modeling efficiency of the architecture can be improved by adopting the technical solution of the present disclosure.
    Type: Grant
    Filed: February 2, 2019
    Date of Patent: March 29, 2022
    Assignee: Guangzhou University
    Inventors: Hongyu Xie, Changhui Li, Junhua Zhu, Chuanhao Tan, Jiarui Zhang, Enxuan Hu, Dongning Huang, Jingyi Guo, Chuqi Yang, Yang Song, Ganguang Zhang, Dongquan Lin
  • Patent number: 11182353
    Abstract: A method includes receiving an execution request, where the execution request is used to request to execute a task including at least two stored procedures, requesting at least two threads, and dispatching each stored procedure in the task to one of the at least two threads for execution, receiving Structured Query Language (SQL) statements sent by the at least two threads when the at least two threads execute the stored procedures included in the task, and grouping and caching the received SQL statements based on a same access characteristic, and for an SQL statement cache group that satisfies a preset trigger condition, calling an SQL statement execution engine to execute an SQL statement in the SQL statement cache group.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: November 23, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shanshan Ying, Junhua Zhu
  • Patent number: 11116531
    Abstract: A surgical instrument has a first modular assembly and a second modular assembly. The first modular assembly has a body, an ultrasonic waveguide, an ultrasonic blade connected to a distal end of the ultrasonic waveguide, and a coupling member that movably couples with the body. The second modular assembly has a clamp arm assembly with a first pivot coupling, a clamp pad assembly with a second pivot coupling, and a distal outer sheath that selectively couples to the body of the first modular assembly via the coupling member. The distal outer sheath has an interior surface that houses a portion of the ultrasonic waveguide, and this interior surface also houses the first pivot coupling and the second pivot coupling.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 14, 2021
    Assignee: Cilag GmbH International
    Inventors: Ryan M. Asher, Chad P. Boudreaux, Joseph Dennis, Wei Guo, Bryce L. Heitman, James A. McCrea, Patrick J. Minnelli, Yachuan Yu, Monica L. Zeckel, Junhua Zhu
  • Patent number: 11097709
    Abstract: The present disclosure relates to a brake cylinder, a brake caliper unit and a rail vehicle. The brake cylinder includes a cylinder block and a cylinder head fixedly sleeved over one end of the cylinder block, the cylinder block being provided therein with a piston, a guide spring, a guide nut, a taper sleeve, an adjusting shaft assembly, a thrust sleeve and a gap adjusting nut assembly; wherein the gap adjusting nut assembly includes a gap adjusting nut, a gap adjusting sleeve and a gap adjusting spring, and a groove extending along an axial direction of the gap adjusting sleeve is formed on an outer circumferential surface of the gap adjusting sleeve, in which groove a release gap adjusting unit is provided. The thrust sleeve spring of the brake cylinder of the present disclosure can recognize excessive elastic deformation of the external lever to prevent the gap adjustment triggered by the excessive elastic deformation of the external lever, ensuring that the release gap of the disc is constant.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: August 24, 2021
    Assignees: CRRC QISHUYAN INSTITUTE CO., LTD., CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD.
    Inventors: Hongwen Han, Chunguang Bao, Junhua Zhu, Liqing Du, Qingbing Gou, Zhuomin Mei
  • Patent number: 11093522
    Abstract: A database replication method and apparatus for a distributed system are provided and relate to the database field. The method includes: receiving by a coordination server, a timestamp of a multi-partition transaction newly added to a first partition of a secondary cluster; determining, by the coordination server, a target timestamp for the first partition based on the received timestamp of the newly added multi-partition transaction and a stored multi-partition transaction timestamp of each partition of the secondary cluster; and sending, by the coordination server, the target timestamp to the first partition, so that the first partition executes a replication log in the first partition based on the target timestamp. In this way, the corresponding partition can execute, without waiting, a multi-partition transaction that is present in all the partitions but has not been executed, thereby avoiding data inconsistency and increasing replication efficiency.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: August 17, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guoping Wang, Junhua Zhu
  • Patent number: 10885034
    Abstract: A data query method and apparatus, and a database system, where the method includes receiving a data query request, generating an original query plan according to the data query request, obtaining a candidate query plan set according to the original query plan, restructuring a join predicate in the original query plan, determining basic information of a restructured join predicate in the original query plan, determining a constraint condition of the restructured join predicate in the original query plan, determining an equal-cost query plan for the original query plan according to the basic information of the restructured join predicate in the original query plan and the constraint condition of the restructured join predicate in the original query plan, and performing querying according to the equal-cost query plan for the original query plan. Hence, data query performance can be improved.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 5, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guoping Wang, Junhua Zhu
  • Patent number: 10664445
    Abstract: A Bloom filter generation method and apparatus is presented, where the method includes acquiring to-be-combined files, when a quantity of deletion records in the to-be-combined files falls within a false positive permission range, acquiring a Bloom filter of each to-be-combined file, where capacities of Bloom filters of different to-be-combined files are the same, and performing a bitwise OR operation on bit values at same locations in Bloom filters of the different to-be-combined files, in order to obtain a target Bloom filter and use the target Bloom filter as a Bloom filter of a combined file obtained by combining the different to-be-combined files, and hence an amount of calculation processing in Bloom filter generation is reduced, a system resource is reduced, and resource overheads are reduced.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 26, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yong Li, Junhua Zhu
  • Publication number: 20200110739
    Abstract: In a transaction processing method performed by a database server, the server receives a transaction request to perform an operation on multiple data partitions of the database. The server obtains data snapshots of the multiple data partitions, and confirms that the data snapshots meet a consistency requirement. The Server performs the operation of the first transaction on the data snapshots, and then write the data of the data snapshots after the operation to the multiple data partitions.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 9, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhe LIU, Junhua Zhu, Xiaoyong Lin
  • Patent number: 10558498
    Abstract: A method for scheduling a data flow task and an apparatus. The method includes: preprocessing a data flow task to obtain at least one subtask; classifying the subtask into a central processing unit (CPU) task group, a graphics processing unit (GPU) task group, or a to-be-determined task group; allocating the subtask to a working node; when the subtask belongs to the CPU task group, determining that a CPU executes the subtask; when the subtask belongs to the GPU task group, determining that a GPU executes the subtask; or when the subtask belongs to the to-be-determined task group, determining, according to costs of executing the subtask by a CPU and a GPU, a running platform (e.g., the CPU or the GPU) executes the subtask, where the cost includes duration of executing the subtask.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: February 11, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liqun Deng, Junhua Zhu
  • Patent number: 10503555
    Abstract: A resource management method and apparatus are provided. The resource management method includes: selecting, by a resource manager RM, according to a type and a quantity of application masters AMs that need to be started in advance, resources from resources registered by a node manager, encapsulating the resources into multiple containers matching the AMs, and starting the AMs in the matching containers; and when the RM receives a job submitted by a client, checking, in the AMs according to information about the job, whether there is a matching AM to be used to execute the job, and if there is a matching AM, submitting the job to the matching AM for execution. Such that, when a client submits a job, the job can be submitted to an AM that has been started in advance for execution, thereby reducing latency resulting from resource allocation and AM startup.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: December 10, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guangwu He, Junhua Zhu
  • Publication number: 20190324952
    Abstract: A stored-procedure execution method includes receiving an execution request, where the execution request is used to request to execute a task including at least two stored procedures, requesting at least two threads, and dispatching each stored procedure in the task to one of the at least two threads for execution, receiving Structured Query Language (SQL) statements sent by the at least two threads when the at least two threads execute the stored procedures included in the task, and grouping and caching the received SQL statements based on a same access characteristic, and for an SQL statement cache group that satisfies a preset trigger condition, calling an SQL statement execution engine to execute an SQL statement in the SQL statement cache group.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Inventors: Shanshan Ying, Junhua Zhu
  • Publication number: 20190315331
    Abstract: The present disclosure relates to a brake cylinder, a brake caliper unit and a rail vehicle. The brake cylinder includes a cylinder block and a cylinder head fixedly sleeved over one end of the cylinder block, the cylinder block being provided therein with a piston, a guide spring, a guide nut, a taper sleeve, an adjusting shaft assembly, a thrust sleeve and a gap adjusting nut assembly; wherein the gap adjusting nut assembly includes a gap adjusting nut, a gap adjusting sleeve and a gap adjusting spring, and a groove extending along an axial direction of the gap adjusting sleeve is formed on an outer circumferential surface of the gap adjusting sleeve, in which groove a release gap adjusting unit is provided. The thrust sleeve spring of the brake cylinder of the present disclosure can recognize excessive elastic deformation of the external lever to prevent the gap adjustment triggered by the excessive elastic deformation of the external lever, ensuring that the release gap of the disc is constant.
    Type: Application
    Filed: December 14, 2017
    Publication date: October 17, 2019
    Inventors: Hongwen HAN, Chunguang BAO, Junhua ZHU, Liqing DU, Qingbing GOU, Zhuomin MEI
  • Publication number: 20190251209
    Abstract: The present disclosure provides a method for automatic modeling of an architecture based on an architectural drawing, comprising steps of: reading parameter information of the architectural drawing, identifying a category to which any architectural object belongs by acquiring line segments constituting the architectural object and coordinate data of endpoints of the line segments; generating a binary file or a preset number of binary files based on the coordinate data and elevation data of the endpoints of all the line segments of architectural objects belonging to the same category for all storeys of the architectural drawing; optimizing the binary file or the binary files corresponding to the architectural objects belonging to the same category for all the storeys of the architectural drawing; and generating a three-dimensional model of the architecture. The modeling precision and modeling efficiency of the architecture can be improved by adopting the technical solution of the present disclosure.
    Type: Application
    Filed: February 2, 2019
    Publication date: August 15, 2019
    Inventors: Hongyu Xie, Changhui Li, Junhua Zhu, Chuanhao Tan, Jiarui Zhang, Enxuan Hu, Dongning Huang, Jingyi Guo, Chuqi Yang, Yang Song, Ganguang Zhang, Dongquan Lin
  • Patent number: 10359939
    Abstract: Embodiments of the present invention provide a data object processing method and apparatus, which can divide a data object into one or more blocks; calculate a sample compression ratio of each block, aggregate neighboring consecutive blocks with a same sample compression ratio characteristic into one data segment, and obtain the sample compression ratio of each of the data segments; and select, according to a length range to which a length of each of the data segments belongs and a compression ratio range to which the sample compression ratio of each of the data segments belongs, an expected length to divide the data segment into data chunks, where the sample compression ratio of each of the data segments uniquely belongs to one of the compression ratio ranges, and the length of each of the data segments uniquely belongs to one of the length ranges.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: July 23, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jiansheng Wei, Junhua Zhu
  • Publication number: 20190057142
    Abstract: A database replication method and apparatus for a distributed system are provided and relate to the database field. The method includes: receiving by a coordination server, a timestamp of a multi-partition transaction newly added to a first partition of a secondary cluster; determining, by the coordination server, a target timestamp for the first partition based on the received timestamp of the newly added multi-partition transaction and a stored multi-partition transaction timestamp of each partition of the secondary cluster; and sending, by the coordination server, the target timestamp to the first partition, so that the first partition executes a replication log in the first partition based on the target timestamp. In this way, the corresponding partition can execute, without waiting, a multi-partition transaction that is present in all the partitions but has not been executed, thereby avoiding data inconsistency and increasing replication efficiency.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 21, 2019
    Inventors: Guoping Wang, Junhua Zhu
  • Publication number: 20180276277
    Abstract: A data query method and apparatus, and a database system, where the method includes receiving a data query request, generating an original query plan according to the data query request, obtaining a candidate query plan set according to the original query plan, restructuring a join predicate in the original query plan, determining basic information of a restructured join predicate in the original query plan, determining a constraint condition of the restructured join predicate in the original query plan, determining an equal-cost query plan for the original query plan according to the basic information of the restructured join predicate in the original query plan and the constraint condition of the restructured join predicate in the original query plan, and performing querying according to the equal-cost query plan for the original query plan. Hence, data query performance can be improved.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Inventors: Guoping Wang, Junhua Zhu
  • Publication number: 20180132883
    Abstract: A surgical instrument has a first modular assembly and a second modular assembly. The first modular assembly has a body, an ultrasonic waveguide, an ultrasonic blade connected to a distal end of the ultrasonic waveguide, and a coupling member that movably couples with the body. The second modular assembly has a clamp arm assembly with a first pivot coupling, a clamp pad assembly with a second pivot coupling, and a distal outer sheath that selectively couples to the body of the first modular assembly via the coupling member. The distal outer sheath has an interior surface that houses a portion of the ultrasonic waveguide, and this interior surface also houses the first pivot coupling and the second pivot coupling.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 17, 2018
    Inventors: Ryan M. Asher, Chad P. Boudreaux, Joseph Dennis, Wei Guo, Bryce L. Heitman, James A. McCrea, Patrick J. Minnelli, Yachuan Yu, Monica L. Zeckel, Junhua Zhu
  • Publication number: 20170255496
    Abstract: A method for scheduling a data flow task and an apparatus. The method includes: preprocessing a data flow task to obtain at least one subtask; classifying the subtask into a central processing unit (CPU) task group, a graphics processing unit (GPU) task group, or a to-be-determined task group; allocating the subtask to a working node; when the subtask belongs to the CPU task group, determining that a CPU executes the subtask; when the subtask belongs to the GPU task group, determining that a GPU executes the subtask; or when the subtask belongs to the to-be-determined task group, determining, according to costs of executing the subtask by a CPU and a GPU, a running platform (e.g., the CPU or the GPU) executes the subtask, where the cost includes duration of executing the subtask.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 7, 2017
    Inventors: Liqun Deng, Junhua Zhu