Patents by Inventor Xiaofeng Xu

Xiaofeng 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).

  • Publication number: 20210331233
    Abstract: A bearing block unit for supporting a continuous casting roll, including a bearing block and a roller bearing disposed inside the bearing block. The bearing provides an inner ring raceway, an outer ring raceway, and at least one row of rolling bodies disposed between the inner and outer ring raceways. The inner ring raceway is formed by a complete and continuous independent inner ring. The inner ring is fitted on a roll shaft of the continuous casting roll during installation, for the purpose of supporting the continuous casting roll. The outer ring raceway is at least partially formed by processing of an inner surface of an inner hole of the bearing block. The present invention also relates to a continuous casting roll line and a continuous casting machine using the bearing block unit.
    Type: Application
    Filed: March 21, 2021
    Publication date: October 28, 2021
    Inventors: Jiakai Liu, Xiaofeng Xu
  • Patent number: 11133235
    Abstract: A package structure includes a first encapsulation member, a second encapsulation member, at least one semiconductor chip, a plurality of metal pins and a second insulation layer. The first encapsulation member includes a first metal layer, a first insulation layer and a second metal layer. The at least one semiconductor chip is disposed between the first encapsulation member and the second encapsulation member. The at least one semiconductor chip comprises a plurality of conductive terminals connected with the first metal layer or a third metal layer. The plurality of metal pins are disposed between and extended outward from the first encapsulation member and the second encapsulation member. The second insulation layer is disposed between the first encapsulation member and the second encapsulation layer for securing the first encapsulation member, the second encapsulation member, the at least one semiconductor chip, and the plurality of metal pins.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: September 28, 2021
    Assignee: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTD
    Inventors: Jie Song, Xiaofeng Xu, Beng Beng Lim
  • Publication number: 20210130353
    Abstract: An azatricyclic compound (as represented by formula I) which acts as an inhibitor of fibroblast growth factor receptors (FGFR), as well as a pharmaceutical composition thereof, a preparation method, and a use therefor in the treatment of FGFR-mediated diseases. The azatricyclic compound exerts an effect by means of participating in the regulation of a plurality of processes such as cell proliferation, apoptosis, migration, neovascularization, and the like. AA %%% Formula (I).
    Type: Application
    Filed: February 27, 2018
    Publication date: May 6, 2021
    Applicant: Betta Pharmaceuticals Co., Ltd.
    Inventors: Xiaofeng XU, Jiabing WANG, Lieming DING, Xiangyong LIU
  • Patent number: 10969031
    Abstract: The present invention discloses a movable valve core and an electromagnetic valve comprising the same. The movable valve core, comprising a cylindrical core body (1) defining a central axis, a leading head (2) fixed to the core body (1) removably, wherein a water-proof valve membrane (3) sandwiched between the core body (1) and the leading head (2), wherein a mounting hole (4) is axially formed in the core body (1), and a connector (5) for projecting into the mounting hole (4) extends axially from the bottom of the leading head (2), and the connector (5) is fixed into the mounting hole (4). The connector (5) is provided with an outer thread (6), and the leading head (2) is screwed into the mounting hole (4).
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: April 6, 2021
    Assignee: Xiamen Koge Micro Tech Co., Ltd.
    Inventors: Xiaofeng Xu, Haiqiang Fu
  • Patent number: 10910303
    Abstract: A package structure and a manufacturing method thereof are provided. The package structure includes an insulation layer, an electronic component and a lead frame unit. The electronic component is embedded within the insulation layer and includes plural conducting terminals. The lead frame unit is embedded within the insulation layer and includes a lead frame and a metallization layer. The metallization layer having a thickness more than 10 ?m is disposed on at least a part of the lead frame and electrically connected with at least one of the plural conducting terminals of the electronic component.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: February 2, 2021
    Assignee: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTD
    Inventors: Xiaofeng Xu, Beng Beng Lim
  • Publication number: 20200385408
    Abstract: The invention relates to a bromodomain inhibitor. The invention also provides compositions and formulations comprising such compounds, and methods of using and preparing such compounds.
    Type: Application
    Filed: December 20, 2018
    Publication date: December 10, 2020
    Inventors: Yan XU, Xiaofeng XU, Jiabing WANG, Lieming DING
  • Publication number: 20200373213
    Abstract: A package structure includes a first encapsulation member, a second encapsulation member, at least one semiconductor chip, a plurality of metal pins and a second insulation layer. The first encapsulation member includes a first metal layer, a first insulation layer and a second metal layer. The at least one semiconductor chip is disposed between the first encapsulation member and the second encapsulation member. The at least one semiconductor chip comprises a plurality of conductive terminals connected with the first metal layer or a third metal layer. The plurality of metal pins are disposed between and extended outward from the first encapsulation member and the second encapsulation member. The second insulation layer is disposed between the first encapsulation member and the second encapsulation layer for securing the first encapsulation member, the second encapsulation member, the at least one semiconductor chip, and the plurality of metal pins.
    Type: Application
    Filed: June 6, 2019
    Publication date: November 26, 2020
    Inventors: Jie Song, Xiaofeng Xu, Beng Beng Lim
  • Patent number: 10755706
    Abstract: A method and system of controlling a digital assistant with dynamically switchable endpoint devices, comprising: dynamically selecting a respective input endpoint device and a respective controlled device for each of a plurality of voice-based requests from a user to the computing system, including: at a first point in time, acquiring respective instances of a first voice input from a first set of two or more input endpoint devices; obtaining a representative copy of the first voice input based on the respective instances of the first voice input that have been acquired from the first set of two or more input endpoint devices; determining a first actionable intent based on the representative copy of the first voice input; and dispatching a first encoded instruction to a first controlled endpoint device selected from the plurality of controlled endpoint devices in accordance with the first actionable intent.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 25, 2020
    Assignee: MIDEA GROUP CO., LTD.
    Inventors: Haibin Huang, Chi Zhang, Xiaofeng Xu, Chen Zhang, Dongyan Wang
  • Publication number: 20200203268
    Abstract: A package structure and a manufacturing method thereof are provided. The package structure includes an insulation layer, an electronic component and a lead frame unit. The electronic component is embedded within the insulation layer and includes plural conducting terminals. The lead frame unit is embedded within the insulation layer and includes a lead frame and a metallization layer. The metallization layer having a thickness more than 10 ?m is disposed on at least a part of the lead frame and electrically connected with at least one of the plural conducting terminals of the electronic component.
    Type: Application
    Filed: August 13, 2019
    Publication date: June 25, 2020
    Inventors: Xiaofeng Xu, Beng Beng Lim
  • Patent number: 10662291
    Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: May 26, 2020
    Inventors: Luru Jing, Bin Wu, Chunqi Zhang, Fengxi Jing, Jianfeng Gu, Xiaofeng Xu, Zhifeng Xia
  • Patent number: 10551446
    Abstract: A magnetic sensor for superconducting quantum interference device using single operational amplifier comprising SQUID, a feedback coil, feedback resistor and an operational amplifier. The voltage signal of SQUID is delivered to one input of the operational amplifier, a bias voltage is delivered to other input of the operational amplifier, and the output of the operational amplifier connects to one end of a feedback resistor, the other end of the feedback resistor connects to a feedback coil that is coupled through mutual inductance with the SQUID so as to generate feedback magnetic flux, the output voltage of the operational amplifier drives the feedback resistance to generate current, thereby forming a flux locking loop. The present invention uses an open loop operational amplifier to implement SQUID magnetic flux locking feedback circuit which simplifies the circuit configuration, decrease the loop delay and thereby achieving higher bandwidth of the flux locking loop.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: February 4, 2020
    Assignee: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Yongliang Wang, Yi Zhang, Kai Chang, Hans-Joachim Krause, Xiaofeng Xu, Yang Qiu
  • Publication number: 20200003321
    Abstract: The present invention discloses a movable valve core and an electromagnetic valve comprising the same. The movable valve core, comprising a cylindrical core body (1) defining a central axis, a leading head (2) fixed to the core body (1) removably, wherein a water-proof valve membrane (3) sandwiched between the core body (1) and the leading head (2), wherein a mounting hole (4) is axially formed in the core body (1), and a connector (5) for projecting into the mounting hole (4) extends axially from the bottom of the leading head (2), and the connector (5) is fixed into the mounting hole (4). The connector (5) is provided with an outer thread (6), and the leading head (2) is screwed into the mounting hole (4).
    Type: Application
    Filed: October 9, 2018
    Publication date: January 2, 2020
    Inventors: Xiaofeng Xu, Haiqiang Fu
  • Publication number: 20190358934
    Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.
    Type: Application
    Filed: August 6, 2019
    Publication date: November 28, 2019
    Applicant: SCHOTT GLASS TECHNOLOGIES (SUZHOU) CO. LTD.
    Inventors: Guangjun ZHANG, Yoshio OKANO, Pengshu LIU, Sangjin KIM, Xiaofeng XU, Friedrich SIEBERS, Jose ZIMMER
  • Publication number: 20190295542
    Abstract: A method and system of controlling a digital assistant with dynamically switchable endpoint devices, comprising: dynamically selecting a respective input endpoint device and a respective controlled device for each of a plurality of voice-based requests from a user to the computing system, including: at a first point in time, acquiring respective instances of a first voice input from a first set of two or more input endpoint devices; obtaining a representative copy of the first voice input based on the respective instances of the first voice input that have been acquired from the first set of two or more input endpoint devices; determining a first actionable intent based on the representative copy of the first voice input; and dispatching a first encoded instruction to a first controlled endpoint device selected from the plurality of controlled endpoint devices in accordance with the first actionable intent.
    Type: Application
    Filed: March 26, 2018
    Publication date: September 26, 2019
    Inventors: Haibin Huang, Chi Zhang, Xiaofeng Xu, Chen Zhang, Dongyan Wang
  • Publication number: 20180273686
    Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Inventors: LURU JING, BIN WU, CHUNQI ZHANG, FENGXI JING, JIANFENG GU, XIAOFENG XU, ZHIFENG XIA
  • Patent number: 9900552
    Abstract: The present invention provides a conference processing method of a third-party application, capable of connecting a call of the third-party application to a teleconference of the communication device. The method includes the following steps: receiving, by a virtual sound card/virtual graphic card, data from a third-party application; and if a teleconference exists in the system, further judging whether the third-party application is allowed to join in the teleconference; wherein if it is judged that the third-party application is allowed to join in the teleconference, a sound mixing module and a screen mixing module mix audio and video data transmitted over at least one local session line and audio and video data of the third-party application, and complete sound mixing playing and mixing and superposition display; and otherwise, the audio and video data of the third-party application is shielded.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: February 20, 2018
    Assignees: SHENZHEN GRANDSTREAM NETWORKS TECHNOLOGIES CO., LTD, GRANDSTREAM NETWORKS, INC.
    Inventors: Xiabin Li, Xiaofeng Xu, Bi Chen, Kepan Gao, Qisong Ding, Xi Chen, Li Chen, Ye Li
  • Patent number: 9735114
    Abstract: A first insulation layer comprising stacked prepreg layers is provided, and a metallic protective layer is formed on the first insulation layer. A first alignment mark is formed on the first insulation layer, and an accommodation cavity is formed in the first insulation layer according to the first alignment mark. A second alignment mark is formed on the first insulation layer according to the first alignment mark. A carrier plate is attached on the first insulation layer through a thermal release tape layer, and the semiconductor device is temporarily fixed on the thermal release tape layer within the accommodation cavity according to the second alignment mark. A semi-cured second insulation layer is placed over the first insulation layer, and the second insulation layer is laminated and cured. A re-distribution layer is formed on the second insulation layer, and the re-distribution layer is electrically connected with the semiconductor device.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: August 15, 2017
    Assignee: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTD
    Inventors: Xiaofeng Xu, Beng Beng Lim, Yiu Wai Lai
  • Publication number: 20170184689
    Abstract: A magnetic sensor for superconducting quantum interference device using single operational amplifier comprising SQUID, a feedback coil, feedback resistor and an operational amplifier. The voltage signal of SQUID is delivered to one input of the operational amplifier, a bias voltage is delivered to other input of the operational amplifier, and the output of the operational amplifier connects to one end of a feedback resistor, the other end of the feedback resistor connects to a feedback, coil that is coupled through mutual inductance with the SQUID so as to generate feedback magnetic flux, the output voltage of the operational amplifier drives the feedback resistance to generate current, thereby forming a flux locking loop. The present Invention uses an open loop operational amplifier to implement SQUID magnetic flux locking feedback circuit which simplifies the circuit configuration, decrease the loop delay and thereby achieving higher bandwidth of the flux locking loop.
    Type: Application
    Filed: June 25, 2015
    Publication date: June 29, 2017
    Applicant: Shanghai Institute of Microsystem and Information Technology, Chinese Academy Of Science
    Inventors: Yongliang Wang, Yi Zhang, Kai Chang, Hans-Joachim Krause, Xiaofeng Xu, Yang Qiu
  • Publication number: 20170127022
    Abstract: The present invention provides a conference processing method of a third-party application, capable of connecting a call of the third-party application to a teleconference of the communication device. The method includes the following steps: receiving, by a virtual sound card/virtual graphic card, data from a third-party application; and if a teleconference exists in the system, further judging whether the third-party application is allowed to join in the teleconference; wherein if it is judged that the third-party application is allowed to join in the teleconference, a sound mixing module and a screen mixing module mix audio and video data transmitted over at least one local session line and audio and video data of the third-party application, and complete sound mixing playing and mixing and superposition display; and otherwise, the audio and video data of the third-party application is shielded.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Inventors: XIABIN LI, XIAOFENG XU, BI CHEN, KEPAN GAO, QISONG DING, XI CHEN, LI CHEN, YE LI
  • Patent number: D911994
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: March 2, 2021
    Assignee: Crestron Electronics, Inc.
    Inventors: Joe Amarosa, Kian-Mun Kong, Michael Fonti, Johannes Ott, Xiaofeng Xu