Patents by Inventor Qingguo Zhao

Qingguo Zhao 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: 10556252
    Abstract: An electronic device includes an enclosure, a display positioned with the enclosure and defining a front face of the electronic device, and a haptic actuator positioned within the enclosure. The haptic actuator includes a housing comprising a wall and a movable mass positioned within the housing and configured to move within the housing to cause the haptic actuator to produce a vibrational response. The vibrational response includes a first component within a frequency range and a second component outside of the frequency range and providing a haptic output portion of the vibrational response. The haptic actuator also includes a tuning feature incorporated with the wall and configured to reduce the first component of the vibrational response while substantially maintaining the haptic output portion of the vibrational response.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: February 11, 2020
    Assignee: APPLE INC.
    Inventors: Lok Pui Calvin Tsang, Yu Chen, Qingguo Zhao, Weiqiang Fu, Hong Feng Wang, Chung Yin Au
  • Patent number: 10351825
    Abstract: A method of producing mesenchymal stem cells from induced pluripotent stem cells in which induced pluripotent stem cells are cultured in the presence of a TGF-? inhibitor an in an atmosphere containing from about 7 vol. % to about 8 vol. % CO2 for a period of time from about 20 day to about 35 days. The cells then are transferred to a culture dish having a hydrophilic surface, and the cells are cultured in a medium containing a TGF-? inhibitor for a period of time sufficient to produce mesenchymal stem cells. Such mesenchymal stem cells are more stable and less likely to form tumors, cancers, or teratomas. Also, the induced pluripotent stem cells may be genetically engineered with at least one polynucleotide encoding a therapeutic agent and then are cultured as hereinabove described to provide genetically engineered mesenchymal stem cells that express sustained amounts of a biologically active protein or polypeptide.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: July 16, 2019
    Assignees: The Texas A&M University System, Temple Therapeutics, Inc.
    Inventors: Darwin J. Prockop, Fei Liu, Qingguo Zhao, Barry A. Berkowitz
  • Publication number: 20190084005
    Abstract: An electronic device includes an enclosure, a display positioned with the enclosure and defining a front face of the electronic device, and a haptic actuator positioned within the enclosure. The haptic actuator includes a housing comprising a wall and a movable mass positioned within the housing and configured to move within the housing to cause the haptic actuator to produce a vibrational response. The vibrational response includes a first component within a frequency range and a second component outside of the frequency range and providing a haptic output portion of the vibrational response. The haptic actuator also includes a tuning feature incorporated with the wall and configured to reduce the first component of the vibrational response while substantially maintaining the haptic output portion of the vibrational response.
    Type: Application
    Filed: December 19, 2017
    Publication date: March 21, 2019
    Inventors: Lok Pui Calvin Tsang, Yu Chen, Qingguo Zhao, Weiqiang Fu, Hong Feng Wang, Chung Yin Au
  • Patent number: 9879278
    Abstract: The invention includes compositions and methods for the selective expression of a target gene in a subset of cells. In certain embodiments, the present invention includes a construct comprising a first nucleic acid sequence comprising an episomal maintenance element and a second nucleic acid sequence comprising a target gene wherein the expression of the episomal maintenance element is regulated by a constitutive promoter and the expression of the target gene is regulated by a non-constitutive promoter. The construct is able to maintain episomal state, no matter whether the target gene is expressed in the cell.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: January 30, 2018
    Assignee: Wake Forest University Health Sciences
    Inventors: Baisong Lu, Qingguo Zhao, James Yoo, Anthony Atala
  • Publication number: 20170145385
    Abstract: A method of producing mesenchymal stem cells from induced pluripotent stem cells in which induced pluripotent stem cells are cultured in the presence of a TGF-?inhibitor an in an atmosphere containing from about 7 vol. % to about 8 vol. % C02 for a period of time from about 20 day to about 35 days. The cells then are transfered to a culture dish having a hydrophilic sur face, and the cells are cultured in a medium containing a TGF-? inhibitor for a period of time sufficient to produce mesenchymal stem cells. Such mesenchymal stem cells are more stable and less likely to form tumors, cancers, or teratomas. Also, the induced pluripotent stem cells may be genetically engineered with at least one polynucleotide encoding a therapeutic agent and then are cultured as hereinabove described to provide genetically engineered mesenchymal stem cells that express sustained amounts of a biologically active protein or polypeptide.
    Type: Application
    Filed: July 8, 2015
    Publication date: May 25, 2017
    Inventors: Darwin J. Prockop, Fei Liu, Qingguo Zhao, Barry A. Berkowitz
  • Publication number: 20150079682
    Abstract: The invention includes compositions and methods for the selective expression of a target gene in a subset of cells. In certain embodiments, the present invention includes a construct comprising a first nucleic acid sequence comprising an episomal maintenance element and a second nucleic acid sequence comprising a target gene wherein the expression of the episomal maintenance element is regulated by a constitutive promoter and the expression of the target gene is regulated by a non-constitutive promoter. The construct is able to maintain episomal state, no matter whether the target gene is expressed in the cell.
    Type: Application
    Filed: February 27, 2013
    Publication date: March 19, 2015
    Applicant: WAKE FOREST UNIVERSITY HEALTH SCIENCES
    Inventors: Baisong Lu, Qingguo Zhao, James Yoo, Anthony Atala
  • Patent number: 7819648
    Abstract: The present invention provides an outer frame for cubic hinge press and the cubic hinge press with this outer frame, said outer frame encloses an accommodation space; The supporting planes used for supporting and fixing the back cover plates of hinge sleeve cylinder are set around the inner walls of the outer frame and on the inner walls of upper and lower surfaces of outer frame; A window for the assembly, disassembly and maintenance of press is correspondingly set between two adjacent supporting planes on the outer frame. According to different needs, the outer frame may be designed as square frame, butterfly frame, basket type frame or spherical frame. The hinge press formed by connecting six hinge sleeve piston components through reinforcing plate or through hinge ears and pins is installed in the accommodation space enclosed by the outer frame, thus forming a cubic hinge press.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: October 26, 2010
    Assignee: Zhengzhou Synthetic Diamond and Related Products Engineering Technology Research Center
    Inventors: Jinzhong Yang, Liuxi Guo, Qingguo Zhao
  • Publication number: 20090136607
    Abstract: The present invention provides an outer frame for cubic hinge press and the cubic hinge press with this outer frame, said outer frame encloses an accommodation space; The supporting planes used for supporting and fixing the back cover plates of hinge sleeve cylinder are set around the inner walls of the outer frame and on the inner walls of upper and lower surfaces of outer frame; A window for the assembly, disassembly and maintenance of press is correspondingly set between two adjacent supporting planes on the outer frame. According to different needs, the outer frame may be designed as square frame, butterfly frame, basket type frame or spherical frame. The hinge press formed by connecting six hinge sleeve piston components through reinforcing plate or through hinge ears and pins is installed in the accommodation space enclosed by the outer frame, thus forming a cubic hinge press.
    Type: Application
    Filed: April 13, 2007
    Publication date: May 28, 2009
    Applicant: ZHENGZHOU SYNTHETIC DIAMOND AND RELATED PRODUCTS E
    Inventors: Jinzhong Yang, Liuxi Guo, Qingguo Zhao