Patents by Inventor Jianfeng Xu

Jianfeng Xu 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: 11501976
    Abstract: A substrate processing method performed in a chamber of a substrate processing apparatus is provided. The chamber includes a substrate support, an upper electrode, and a gas supply port. The substrate processing method includes (a) providing the substrate on the substrate support; (b) supplying a first processing gas into the chamber; (c) continuously supplying an RF signal into the chamber while continuously supplying a negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber; and (d) supplying a pulsed RF signal while continuously supplying the negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber. The process further includes repeating alternately repeating the steps (c) and (d), and a time for performing the step (c) once is 30 second or shorter.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: November 15, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Seiichi Watanabe, Kazuki Narishige, Xinhe Jerry Lim, Jianfeng Xu, Yi Hao Ng, Zhenkang Max Liang, Yujun Nicholas Loo, Chiew Wah Yap, Bin Zhao, Chai Jin Chua, Takehito Watanabe, Koji Kawamura, Kenji Komatsu, Li Jin, Wee Teck Tan, Dali Liu
  • Patent number: 11482095
    Abstract: A wireless control method includes sending, by a controller, a first control command to instruct the first device to execute a corresponding event, receiving, by a wireless router, the first control command, determining, in response to the first control command, that the first device is not connected to a power supply, and sending a power supply connect instruction to an input apparatus, where the power supply connect instruction instructs the input apparatus to connect the first device to the power supply.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 25, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yafei Wang, Weiping Zhu, Jianfeng Xu
  • Publication number: 20220298567
    Abstract: The present disclosure discloses a method for controlling a base sequence determination, a base sequence determination system, and a control device. The base sequence determination system includes a fluid device and an optical device, a reaction device includes a first component and a second component, and a repeated executable unit included in the base sequence determination is defined as: a second biochemical reaction—a first biochemical reaction—photographing. The method includes, after initiation steps are completed, using the fluid device to perform the second biochemical reaction and the first biochemical reaction of the sample on the first component, while using the optical device to photograph the sample on the second component. The initial steps include: a. using the fluid device to perform the first biochemical reaction of the sample on the first component, b. using the optical device to photograph the sample on the first component after the first biochemical reaction, and c.
    Type: Application
    Filed: June 10, 2022
    Publication date: September 22, 2022
    Inventors: Jianfeng Xu, Ruitao Sun, Zefei Jiang, Zhiliang Zhou, Qin Yan
  • Patent number: 11421282
    Abstract: The present invention provides methods of assessing an individual subject's risk of developing prostate cancer, comprising: a) analyzing a nucleic acid sample obtained from the subject and determining a genotype for the subject at a plurality of biallelic polymorphic loci, wherein each of said plurality has an associated allele and an unassociated allele, wherein the genotype is selected from the group consisting of homozygous for the associated allele, heterozygous, and homozygous for the unassociated allele; and b) calculating a cumulative relative risk (CRR) for the subject based on the genotype determined in step (a). A CRR of greater than 1.00 identifies a subject as having an increased risk of developing prostate cancer and also can identify a subject who is a candidate for early PSA screening, prostate biopsy and/or chemoprevention.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: August 23, 2022
    Assignee: WAKE FOREST UNIVERSITY HEALTH SCIENCES
    Inventors: Jianfeng Xu, Siqun Lilly Zheng, Jielin Sun, Andrew Karim Kader
  • Patent number: 11384390
    Abstract: The present disclosure relates to base sequence determination. A base sequence determination system includes a fluid device and an optical device, a reaction device includes a first component and a second component, and a repeated executable unit is defined as: a second biochemical reaction—a first biochemical reaction—photographing. A method includes, after initiation steps, using the fluid device to perform the second biochemical reaction and the first biochemical reaction of the sample on the first component, while using the optical device to photograph the sample on the second component. The initial steps include: using the fluid device to perform the first biochemical reaction of the sample on the first component, using the optical device to photograph the sample on the first component after the first biochemical reaction, and using the fluid device to perform the first biochemical reaction of the sample on the second component.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 12, 2022
    Assignee: GeneMind Biosciences Company Limited
    Inventors: Jianfeng Xu, Ruitao Sun, Zefei Jiang, Zhiliang Zhou, Qin Yan
  • Patent number: 11246039
    Abstract: This application provides a method for secure multi-terminal cooperative working, applied to a network on which a plurality of terminal devices perform cooperative playing and/or cooperative recording, where the plurality of terminal devices include a first terminal device. The method includes: determining, by the first terminal device, a security mechanism; obtaining, by the first terminal device, cooperative working information, where the cooperative working information is information played and/or recorded by the plurality of terminal devices; and performing, by the first terminal device, security processing on the cooperative working information based on the security mechanism.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: February 8, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruihua Li, Hua Chen, Dawei Huo, Wei Xiao, Jianfeng Xu, Heng Liao
  • Publication number: 20220002810
    Abstract: The present invention provides a method of identifying a subject as having an increased risk of developing prostate cancer, comprising detecting in the subject the presence of various polymorphisms associated with an increased risk of developing prostate cancer.
    Type: Application
    Filed: February 17, 2021
    Publication date: January 6, 2022
    Inventors: Jianfeng Xu, S. Lilly Zheng, Henrik Grönberg, William B. Isaacs
  • Publication number: 20210316993
    Abstract: A method for preparing functionalized graphene. (1) Flake graphite and a dienophile or a diene are mixed in an organic solvent uniformly to obtain a mixed solution. (2) In an inert atmosphere or under vacuum, the mixed solution obtained in step (1) is subjected to graphite exfoliation and Diels-Alder (DA) reaction in a mechanical exfoliation device to obtain a crude product. (3) The crude product obtained in step (2) is subjected to heat preservation to obtain the functionalized graphene.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 14, 2021
    Inventors: Guohua CHEN, Jianfeng XU, Songlin CHEN
  • Patent number: 11140547
    Abstract: A method for securely controlling a smart home, and a terminal device are provided, to resolve a prior-art problem that an intelligent terminal device is counterfeited. The method includes: displaying, by an intelligent terminal device, at least one operation indication for a smart home device when the intelligent terminal device receives an operation instruction entered by a user to add the smart home device, where the operation indication is used to instruct the user to perform function control on the smart home device; and generating, by the intelligent terminal device when determining an operation indication selected by the user from the at least one operation indication, a first key based on the selected operation indication, where the first key is used by the intelligent terminal device to encrypt information to be sent to the smart home device.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: October 5, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Jianfeng Xu
  • Publication number: 20210265170
    Abstract: A substrate processing method performed in a chamber of a substrate processing apparatus is provided. The chamber includes a substrate support, an upper electrode, and a gas supply port. The substrate processing method includes (a) providing the substrate on the substrate support; (b) supplying a first processing gas into the chamber; (c) continuously supplying an RF signal into the chamber while continuously supplying a negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber; and (d) supplying a pulsed RF signal while continuously supplying the negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber. The process further includes repeating alternately repeating the steps (c) and (d), and a time for performing the step (c) once is 30 second or shorter.
    Type: Application
    Filed: February 19, 2021
    Publication date: August 26, 2021
    Applicant: Tokyo Electron Limited
    Inventors: Seiichi WATANABE, Kazuki NARISHIGE, Xinhe Jerry LIM, Jianfeng XU, Yi Hao NG, Zhenkang Max LIANG, Yujun Nicholas LOO, Chiew Wah YAP, Bin ZHAO, Chai Jin CHUA, Takehito WATANABE, Koji KAWAMURA, Kenji KOMATSU, Li JIN, Wee Teck TAN, Dali LIU
  • Publication number: 20210049898
    Abstract: Embodiments of this application provide a wireless control method and system and an apparatus, and relate to the field of communications technologies, so that when a power switch of a household device is turned off, the household device can be controlled by a controller. A specific solution includes: sending, by a controller, a first control command used to instruct the first device to execute a corresponding event; and receiving, by a wireless router, the first control command, determining, in response to the first control command, that the first device is not connected to a power supply, and sending a power supply connect instruction to an input apparatus, where the power supply connect instruction is used to instruct the input apparatus to connect the first device to the power supply.
    Type: Application
    Filed: March 29, 2019
    Publication date: February 18, 2021
    Inventors: Yafei Wang, Weiping Zhu, Jianfeng Xu
  • Patent number: 10880817
    Abstract: This application provides a Wi-Fi configuration method, a Wi-Fi mobile terminal, and a Wi-Fi device. The Wi-Fi mobile terminal constructs an information string according to obtained Wi-Fi networking parameters, adds information of the information string to a plurality of multicast packets, and sends the plurality of multicast packets to the Wi-Fi device. The Wi-Fi device parses the plurality of received multicast packets according to a method for carrying the information string by the multicast packets, decapsulates the information string according to a method for constructing the information string, to obtain the Wi-Fi networking parameters, and further sends a connection request to a wireless router according to the obtained Wi-Fi networking parameters, to establish a connection to the wireless router. An AP to which the Wi-Fi mobile terminal is connected does not need to be switched, so that initial networking configuration of the Wi-Fi device can be quickly completed.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 29, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Shunbao Wang, Jianfeng Xu, Chen Zhang
  • Patent number: 10838088
    Abstract: An apparatus, device and method for measuring a gain of a sensor are disclosed. The apparatus comprises a current detection circuit (122) and a processing circuit (124). An input end of the current detection circuit (122) is used for connecting to an output end of a sensor unit (110). The current detection circuit (122) is used for detecting a current signal output by the sensor unit and generating a corresponding detection signal. An input end of the processing circuit (124) is connected to an output end of the current detection circuit (122). The processing circuit (124) is used for calculating energy of dark events occurring in the sensor unit (110) according to the detection signal, generating an energy spectrogram of the dark event, and calculating a gain of the sensor unit (110) based on the energy spectrogram.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: November 17, 2020
    Assignee: ZHONGPAI S&T (SHENZHEN) CO., LTD
    Inventors: Jianfeng Xu, Zhixiang Zhao, Qiu Huang, Qiyu Peng
  • Patent number: 10838089
    Abstract: An apparatus, device and method for measuring a breakdown voltage are disclosed. The apparatus comprises a controlled voltage source (122), a current detection circuit (124), and a processing circuit (126). The controlled voltage source (122) is used for providing a series of test bias voltages for the sensor unit (110). The current detection circuit (124) is used for detecting a current signal output by the sensor unit (110) and generating a corresponding detection signal. The processing circuit (126) is used for controlling the controlled voltage source (122) to provide a series of test bias voltages, calculating dark currents respectively corresponding to the series of test bias voltages on the basis of the detection signal, and determining a breakdown voltage of the sensor unit (110) on the basis of the series of test bias voltages and the dark currents.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: November 17, 2020
    Assignee: ZHONGPAI S&T (SHENZHEN) CO., LTD
    Inventors: Jianfeng Xu, Zhixiang Zhao, Qiu Huang, Qiyu Peng
  • Publication number: 20200288307
    Abstract: This application provides a method for secure multi-terminal cooperative working, applied to a network on which a plurality of terminal devices perform cooperative playing and/or cooperative recording, where the plurality of terminal devices include a first terminal device. The method includes: determining, by the first terminal device, a security mechanism; obtaining, by the first terminal device, cooperative working information, where the cooperative working information is information played and/or recorded by the plurality of terminal devices; and performing, by the first terminal device, security processing on the cooperative working information based on the security mechanism.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Ruihua LI, Hua CHEN, Dawei HUO, Wei XIAO, Jianfeng XU, Heng LIAO
  • Publication number: 20200178079
    Abstract: This application provides a wireless local area network configuration method and a device, and relates to the field of communications technologies, so as to increase a success rate of configuring authentication information of a home wireless local area network for a home device, and improve efficiency in connecting the home device to the home wireless local area network. A specific solution is as follows: A terminal obtains authentication information of a first wireless local area network, configures an SSID of the first wireless local area network as a hidden SSID, and sends at least one first probe request frame, where the first probe request frame carries at least a part of the authentication information of the first wireless local area network.
    Type: Application
    Filed: May 25, 2017
    Publication date: June 4, 2020
    Inventor: Jianfeng XU
  • Publication number: 20200157634
    Abstract: The present invention provides methods of assessing an individual subject's risk of developing prostate cancer, comprising: a) analyzing a nucleic acid sample obtained from the subject and determining a genotype for the subject at a plurality of biallelic polymorphic loci, wherein each of said plurality has an associated allele and an unassociated allele, wherein the genotype is selected from the group consisting of homozygous for the associated allele, heterozygous, and homozygous for the unassociated allele; and b) calculating a cumulative relative risk (CRR) for the subject based on the genotype determined in step (a). A CRR of greater than 1.00 identifies a subject as having an increased risk of developing prostate cancer and also can identify a subject who is a candidate for early PSA screening, prostate biopsy and/or chemoprevention.
    Type: Application
    Filed: September 10, 2019
    Publication date: May 21, 2020
    Inventors: Jianfeng Xu, Siqun Lilly Zheng, Jielin Sun, Andrew Karim Kader
  • Publication number: 20190380029
    Abstract: A method for securely controlling a smart home, and a terminal device are provided, to resolve a prior-art problem that an intelligent terminal device is counterfeited. The method includes: displaying, by an intelligent terminal device, at least one operation indication for a smart home device when the intelligent terminal device receives an operation instruction entered by a user to add the smart home device, where the operation indication is used to instruct the user to perform function control on the smart home device; and generating, by the intelligent terminal device when determining an operation indication selected by the user from the at least one operation indication, a first key based on the selected operation indication, where the first key is used by the intelligent terminal device to encrypt information to be sent to the smart home device.
    Type: Application
    Filed: March 30, 2017
    Publication date: December 12, 2019
    Inventor: Jianfeng XU
  • Patent number: 10443105
    Abstract: The present invention provides methods of assessing an individual subject's risk of developing prostate cancer, comprising: a) analyzing a nucleic acid sample obtained from the subject and determining a genotype for the subject at a plurality of biallelic polymorphic loci, wherein each of said plurality has an associated allele and an unassociated allele, wherein the genotype is selected from the group consisting of homozygous for the associated allele, heterozygous, and homozygous for the unassociated allele; and b) calculating a cumulative relative risk (CRR) for the subject based on the genotype determined in step (a). A CRR of greater than 1.00 identifies a subject as having an increased risk of developing prostate cancer and also can identify a subject who is a candidate for early PSA screening, prostate biopsy and/or chemoprevention.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 15, 2019
    Assignee: Wake Forest University Health Sciences
    Inventors: Jianfeng Xu, Siqun Lilly Zheng, Jielin Sun, Andrew Karim Kader
  • Patent number: 10303596
    Abstract: Described are a read-write control method for memory, and a corresponding memory and server. The method comprises: combining data to be written with each other into a data block, writing the data block in a free block of the memory, and recording an identifier and a corresponding index of the data in the memory, the index of the data being an offset indicating a memory location of the data in the memory; and reading the data from the memory location of the data in the memory according to an identifier and an index of the data to be read.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: May 28, 2019
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Jianfeng Xu, Yue Wu, Chaoyu Zhong, Ming Xie, Wenzheng Li