Patents by Inventor Xiaofeng Du

Xiaofeng 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: 20210168164
    Abstract: A computer implemented method to detect an anomalous change to a web application configuration, the web application executing with a web server, the method including receiving a first set of records for the web application operating in a training mode of operation, each record including characteristics of the web application; generating a sparse distributed representation of the set of records to form a training set for a hierarchical temporal memory (HTM); training the HTM based on the training set in order that the trained HTM provides a model of the operation of the web application in the training mode of operation; receiving a second set of records for the web application, each record including characteristics of the web application; generating a sparse distributed representation of the second set of records to form an input set for the trained HTM; executing the trained HTM based on the input set to determine a degree of recognition of the records of the input set; and responsive to a determination that
    Type: Application
    Filed: July 30, 2018
    Publication date: June 3, 2021
    Inventors: Fadi EL-MOUSSA, Xiaofeng DU
  • Patent number: 10995380
    Abstract: A press hardening steel by a thin slab casting and direct rolling has a tensile strength of 1500 MPa or more. The press hardening steel has a components by weight percent: C: 0.21-0.25%, Si: 0.26-0.30%, Mn: 1.0-1.3%, P?0.01%, S?0.005%, Als: 0.015-0.060%, Cr: 0.25-0.30%, Ti: 0.026-0.030% or Nb: 0.026-0.030% or V: 0.026-0.030%, or a mixture of two or more of the above in any proportion; B: 0.003-0.004%, and N?0.005%. A method for producing the press hardening steel includes following steps: hot metal desulphurization; electric-furnace or converter smelting and refining; continuous casting; descaling, then entering a soaking furnace; heating and soaking; high-pressure water descaling, then entering a rolling mill; hot rolling; cooling; coiling; austenitizing; die deforming and quenching.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: May 4, 2021
    Assignee: WUHAN IRON AND STEEL COMPANY LIMITED
    Inventors: Xinping Mao, Kuanhui Hu, Shuize Wang, Libo Pan, Rui Ge, Lijun Li, Tao Peng, Xiaofeng Du, Wenqiang Zhou
  • Patent number: 10988820
    Abstract: A press hardening steel by a medium thin slab and having a tensile strength of 1500 MPa or more, includes following components by weight percent: C: 0.21%-0.25%, Si: 0.26%-0.30%, Mn: 1.0%-1.3%, P?0.01%, S?0.005%, Als: 0.015%-0.060%, Cr: 0.25%-0.30%, Ti: 0.026%-0.030% or Nb: 0.026%-0.030% or V: 0.026%-0.030% or a mixture of any two or more of the above in any proportion, B: 0.003%-0.004%, Mo: 0.17-0.19% and N?0.005%. A method for producing the press hardening steel includes following steps: molten iron desulphurization; smelting and refining by an electric furnace or converter; continuous casting; descaling treatment before entering a soaking furnace; hating and soaking; high pressure water descaling before entering a rolling mill; hot rolling; cooling; coiling; austenitizing; die deforming and quenching.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: April 27, 2021
    Assignee: WUHAN IRON AND STEEL COMPANY LIMITED
    Inventors: Xinping Mao, Kuanhui Hu, Shuize Wang, Libo Pan, Rui Ge, Lijun Li, Tao Peng, Xiaofeng Du, Fang Fang
  • Publication number: 20210089650
    Abstract: A computer implemented method to detect a computer system in execution operating in a manner that is not compliant with a definition of a set of compliant operations, the method including receiving a first set of records for the computer system, each record detailing an occurrence in the computer system during a first predetermined time period; generating a sparse distributed representation of the set of records to form a training set for a hierarchical temporal memory (HTM); training the HTM based on the training set in order that the trained HTM provides a model of the operation of the computer system during the predetermined time period; selecting at least a subset of operations in the set of compliant operations and causing the invocation of each operation of the subset in the computer system over a second predetermined time period to generate a second set of records of occurrences in the computer system; generating a sparse distributed representation of the set of records to form an input set for the tra
    Type: Application
    Filed: March 26, 2018
    Publication date: March 25, 2021
    Applicant: British Telecommunications Public Limited Company
    Inventors: Joshua Daniel, Xiaofeng Du
  • Publication number: 20210089670
    Abstract: A computer implemented method for access control for a restricted resource in a computer system, the method including receiving a first set of records for the computer system, each record detailing an occurrence in the computer system during a training time period when the resource is accessed in an approved manner; generating a sparse distributed representation of the set of records to form a training set for a hierarchical temporal memory (HTM); training the HTM based on the training set in order that the trained HTM provides a model of the operation of the computer system during the training time period; receiving a second set of records for the computer system, each record detailing an occurrence in the computer system during an operating time period for the computer system in use by a consumer of the resource; generating a sparse distributed representation of the second set of records to form an input set for the trained HTM; executing the trained HTM based on the input set to determine a degree of recog
    Type: Application
    Filed: March 26, 2018
    Publication date: March 25, 2021
    Applicant: British Telecommunications Public Limited Company
    Inventors: Joshua Daniel, Xiaofeng Du
  • Patent number: 10886328
    Abstract: An approach to forming a full color micro-display that includes using a plurality of micro-light emitting diodes formed in a silicon on insulator substrate, where the plurality of micro-light emitting diodes include a plurality of red micro-light emitting diodes, a plurality of green micro-light emitting diodes, and a plurality of blue micro-light emitting diodes. Additionally, the approach includes forming a plurality of transistor devices in the silicon on insulator substrate, wherein each transistor device of the plurality of transistor devices acts as a switch connecting to a micro-light emitting diode of the plurality of micro-light emitting diodes.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: January 5, 2021
    Assignee: International Business Machines Corporation
    Inventors: Ning Li, Ko-Tao Lee, Shawn Xiaofeng Du
  • Publication number: 20200387599
    Abstract: A computer implemented method to detect anomalous behavior of a software container having a software application executing therein, the method including receiving a sparse data representation of each of a: first set of container network traffic records; a first set of application traffic records; and a first set of container resource records, and training an hierarchical temporal memory (HTM) for each first set, wherein the container network traffic records correspond to network traffic communicated with the container, the application traffic records correspond to network traffic communicated with the software application, and the container resource records correspond to the use of computer resources by the container; receiving a sparse data representation of each of a: second set of container network traffic records; a second set of application traffic records; and a second set of container resource records; executing the trained HTMs based on each respective second set to determine a degree of recognition o
    Type: Application
    Filed: December 3, 2018
    Publication date: December 10, 2020
    Inventors: Xiaofeng DU, Fadi EL-MOUSSA
  • Patent number: 10769292
    Abstract: Computer implemented methods for access control for a restricted resource in a computer system and related methods train a hierarchical temporal memory and use cryptocurrency allocations and blockchain records to determine whether resource consumers are authorized or unauthorized to access the restricted resource.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 8, 2020
    Assignee: British Telecommunications Public Limited Company
    Inventors: Joshua Daniel, Xiaofeng Du, Gery Ducatel
  • Publication number: 20200228569
    Abstract: A computer implemented method to detect an anomalous change to a web application, the web application executing with a web server, the method including receiving a first set of records for the web application operating in a training mode of operation, each record including characteristics of a content of a web page for the web application; generating a sparse distributed representation of the set of records to form a training set for a hierarchical temporal memory (HTM); training the HTM based on the training set in order that the trained HTM provides a model of the operation of the web application in the training mode of operation; receiving a second set of records for the web application, each record including characteristics of content of the web page; generating a sparse distributed representation of the second set of records to form an input set for the trained HTM; executing the trained HTM based on the input set to determine a degree of recognition of the records of the input set; and responsive to a d
    Type: Application
    Filed: July 30, 2018
    Publication date: July 16, 2020
    Inventors: Fadi EL-MOUSSA, Xiaofeng DU
  • Publication number: 20190185952
    Abstract: A press hardening steel by a thin slab casting and direct rolling has a tensile strength of 1500 MPa or more. The press hardening steel has a components by weight percent: C: 0.21-0.25%, Si: 0.26-0.30%, Mn: 1.0-1.3%, P?0.01%, S?0.005%, Als: 0.015-0.060%, Cr: 0.25-0.30%, Ti: 0.026-0.030% or Nb: 0.026-0.030% or V: 0.026-0.030%, or a mixture of two or more of the above in any proportion; B: 0.003-0.004%, and N?0.005%. A method for producing the press hardening steel includes following steps: hot metal desulphurization; electric-furnace or converter smelting and refining; continuous casting; descaling, then entering a soaking furnace; heating and soaking; high-pressure water descaling, then entering a rolling mill; hot rolling; cooling; coiling; austenitizing; die deforming and quenching.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 20, 2019
    Applicant: WUHAN IRON AND STEEL COMPANY LIMITED
    Inventors: Xinping MAO, Kuanhui HU, Shuize WANG, Libo PAN, Rui GE, Lijun LI, Tao PENG, Xiaofeng DU, Wenqiang ZHOU
  • Publication number: 20190177811
    Abstract: A press hardening steel by a medium thin slab and having a tensile strength of 1500 MPa or more, includes following components by weight percent: C: 0.21%-0.25%, Si: 0.26%-0.30%, Mn: 1.0%-1.3%, P?0.01%, S?0.005%, Als: 0.015%-0.060%, Cr: 0.25%-0.30%, Ti: 0.026%-0.030% or Nb: 0.026%-0.030% or V: 0.026%-0.030% or a mixture of any two or more of the above in any proportion, B: 0.003%-0.004%, Mo: 0.17-0.19% and N?0.005%. A method for producing the press hardening steel includes following steps: molten iron desulphurization; smelting and refining by an electric furnace or converter; continuous casting; descaling treatment before entering a soaking furnace; hating and soaking; high pressure water descaling before entering a rolling mill; hot rolling; cooling; coiling; austenitizing; die deforming and quenching.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 13, 2019
    Applicant: Wuhan Iron and Steel Company Limited
    Inventors: Xinping MAO, Kuanhui HU, Shuize WANG, Libo PAN, Rui GE, Lijun LI, Tao PENG, Xiaofeng DU, Fang FANG
  • Publication number: 20190169708
    Abstract: A press hardening steel by a medium and thin slab casting and direct rolling has a tensile strength 1900 MPa or more. The press hardening steel includes following chemical components by weight percent: C: 0.31-0.40%, Si: 0.36-0.44%, Mn: 1.6-2.0%, P?0.006%, S?0.004%, Als: 0.015-0.060%, Cr: 0.36-0.49%, Ti: 0.036-0.045% or Nb: 0.036-0.045% or V: 0.036-0.045%, or a mixture of the above two or more in any ratio, B: 0.004-0.005%, Mo: 0.26-0.35%, Ni: 0.11-0.20%, and N?0.005%. A method for producing the press hardening steel includes following steps: desulphurizing molten iron; electric furnace or converter smelting and refining; continuous casting; descaling treatment before entering a soaking furnace; heating and soaking; high-pressure water descaling before entering a rolling mill; hot rolling; cooling; coiling; austenitizing; die deforming and quenching.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 6, 2019
    Applicant: WUHAN IRON AND STEEL COMPANY LIMITED
    Inventors: Xinping MAO, Shuize WANG, Kuanhui HU, Libo PAN, Rui GE, Lijun LI, Tao PENG, Xiaoping DUAN, Xiaofeng DU
  • Publication number: 20180285585
    Abstract: A computer implemented method for access control for a restricted resource in a computer system is disclosed. A related computer system is also disclosed.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Joshua DANIEL, Xiaofeng DU, Gery DUCATEL
  • Publication number: 20130018703
    Abstract: A system is provided for monitoring the performance of a service within a business process environment is provided, the system including, locally to said service and preferably for each service: an information collector collecting information about the performance of said service in real-time; a database storing information about the performance of said service over time; and a control unit processing the information collected by said information collector and determining information to be stored in said database. A method of distributed monitoring of the performance of services within a business process environment is also provided.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 17, 2013
    Applicants: Khalifa University of Science, Technology, and Research, Emirates Telecommunications Corporation, British Telecommunications plc
    Inventors: Basim Majeed, Xiaofeng Du, Behzad Bordbar