Patents by Inventor Mingtao Zhao

Mingtao 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).

  • Publication number: 20240086731
    Abstract: The present invention relates to a knowledge-graph extrapolating method and system based on multi-layer perception, the method comprising: using relational graph convolutional network encoders to learn embedding representations, and capturing dynamic evolution of a fact; designing emerging task processing units to construct multiple layers of entity sets, and assigning a matching historical relevance; classifying prediction tasks into different reasoning scenes, and connecting them to the corresponding processing unit for partition of entity sets; and using a multi-class task solving method to acquire predicted probability distributions of target entities, and taking the highest one as a prediction answer, so as to accomplish extrapolation of a temporal knowledge graph, wherein the prediction tasks are classified into different reasoning scenes according to whether it contains any entity or relation that has never appeared historically.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 14, 2024
    Inventors: Feng ZHAO, Mingtao CHEN, Kangzheng LIU, Hai JIN
  • Patent number: 11332766
    Abstract: The present invention provides a bacterium and a method for the biological production of Heliotropin by the fermemtation of safrole. In one aspect of the present invention, a process for the conversion of safrole to Heliotropin is achieved by the use of a bacterial strain of Serratia liquefaciens ZMT-1 (CCTCC M 2016170). The production method comprises the steps of seeding the Serratia liquefaciens culture in the presence of oxygen for 24-36 hours, transforming the safrole substrate for 24-48 hours with 0.5-3 g/L substrate concentration, and reaching the Heliotropin concentration of 160-524 mg/L. The present invention reports, for the first time, on a method for producing the high concentration of Heliotropin by using the Serratia liquefaciens ZMT-1 strain or the enzyme extracted from the strain.
    Type: Grant
    Filed: April 1, 2017
    Date of Patent: May 17, 2022
    Assignee: XIAMEN OAMIC BIOTECHNOLOGY CO., LTD.
    Inventors: Pu Zheng, Zhimin Deng, Pengcheng Chen, Xijing Zhao, Mingtao Zhao, Chenguang Xing
  • Publication number: 20210317489
    Abstract: The present invention provides a bacterium and a method for the biological production of Heliotropin by the fermemtation of safrole. In one aspect of the present invention, a process for the conversion of safrole to Heliotropin is achieved by the use of a bacterial strain of Serratia liquefaciens ZMT-1 (CCTCC M 2016170). The production method comprises the steps of seeding the Serratia liquefaciens culture in the presence of oxygen for 24-36 hours, transforming the safrole substrate for 24-48 hours with 0.5-3 g/L substrate concentration, and reaching the Heliotropin concentration of 160-524 mg/L. The present invention reports, for the first time, on a method for producing the high concentration of Heliotropin by using the Serratia liquefaciens ZMT-1 strain or the enzyme extracted from the strain.
    Type: Application
    Filed: April 1, 2017
    Publication date: October 14, 2021
    Applicant: XIAMEN OAMIC BIOTECHNOLOGY CO., LTD.
    Inventors: Pu ZHENG, Zhimin DENG, Pengcheng CHEN, Xijing ZHAO, Mingtao ZHAO, Chenguang XING
  • Patent number: 9384582
    Abstract: Methods and computer program products for quantitative three-dimensional (“3D”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“OCT”) dataset from an OCT system can be segmented. Normal vectors or partial derivatives of the curvature at a refracting surface can be calculated to obtain a refracted image voxel. A new position of each desired refracted image voxel can be iteratively computed. New refracted corrected voxel positions to an even sampling grid can be interpolated to provide corrected image data. In some embodiments, clinical outputs from the corrected image data can be computed.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: July 5, 2016
    Assignee: Duke University
    Inventors: Joseph A. Izatt, Mingtao Zhao, Anthony N. Kuo
  • Patent number: 9057594
    Abstract: A probe for an optical coherence tomography system according to an embodiment of the current invention includes a sheath having a proximal end and a distal end and defining a lumen therein, an optical fiber disposed at least partially within the lumen of said sheath, and a sapphire lens attached to the distal end of the sheath to form a fluid-tight seal to prevent fluid from entering the lumen of said sheath. The optical fiber has an end arranged in an optical path with the sapphire lens to provide optical coupling between the sapphire lens and the optical fiber.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: June 16, 2015
    Assignee: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Jin U. Kang, Mingtao Zhao
  • Publication number: 20140241605
    Abstract: Methods and computer program products for quantitative three-dimensional (“3D”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“OCT”) dataset from an OCT system can be segmented. Normal vectors or partial derivatives of the curvature at a refracting surface can be calculated to obtain a refracted image voxel. A new position of each desired refracted image voxel can be iteratively computed. New refracted corrected voxel positions to an even sampling grid can be interpolated to provide corrected image data. In some embodiments, clinical outputs from the corrected image data can be computed.
    Type: Application
    Filed: March 7, 2014
    Publication date: August 28, 2014
    Applicant: DUKE UNIVERSITY
    Inventors: Joseph A. Izatt, Mingtao Zhao, Anthony N. Kuo
  • Publication number: 20140160486
    Abstract: A probe for an optical coherence tomography system according to an embodiment of the current invention includes a sheath having a proximal end and a distal end and defining a lumen therein, an optical fiber disposed at least partially within the lumen of said sheath, and a sapphire lens attached to the distal end of the sheath to form a fluid-tight seal to prevent fluid from entering the lumen of said sheath. The optical fiber has an end arranged in an optical path with the sapphire lens to provide optical coupling between the sapphire lens and the optical fiber.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 12, 2014
    Applicant: The Johns Hopkins University
    Inventors: Jin U. Kang, Mingtao Zhao
  • Publication number: 20140039261
    Abstract: An optical coherence tomography (OCT) system for real-time surgical guidance includes an optical source, an optical fiber configured to be optically coupled to the optical source, a plurality of OCT sensor heads configured to be optically coupled to the optical fiber, an optical detector configured to be optically coupled to the optical fiber, a signal processor configured to communicate with the optical detector to receive detected signals therefrom, and a display system configured to receive OCT image signals from the signal processor and to display an OCT image of at least a portion of a surgical region of interest in real time to provide surgical guidance.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 6, 2014
    Applicant: The Johns Hopkins University
    Inventors: Jin Ung Kang, Mingtao Zhao, Ishan Ann Tsay, Russell H. Taylor
  • Patent number: 8565499
    Abstract: In accordance with this disclosure, methods, systems, and computer readable media for synthetic wavelength-based phase unwrapping in optical coherence tomography are provided. Synthetic wavelength phase unwrapping can be applied to OCT data and can correctly resolve sample motions that are larger than ?o/2. A method for phase unwrapping of an OCT signal can include acquiring raw OCT signal data, interpolating and processing the OCT signal data to obtain a DC spectrum, comparing the raw OCT signal data to the DC spectrum to generate an interference signal, applying Gaussian windows to the interference signal to generate a two separate signals, extracting phase information from the two signals, and comparing the phase information of the two signals to produce unwrapped phase data. A value of 2? can be added to the phase data if the difference between the phase information of the two signals is less than zero.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: October 22, 2013
    Assignee: Duke University
    Inventors: Mingtao Zhao, Hansford Hendargo, Joseph A Izatt
  • Publication number: 20110032533
    Abstract: Methods and computer program products for quantitative three-dimensional (“3D”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“OCT”) dataset from an OCT system can be segmented. Normal vectors or partial derivatives of the curvature at a refracting surface can be calculated to obtain a refracted image voxel. A new position of each desired refracted image voxel can be iteratively computed. New refracted corrected voxel positions to an even sampling grid can be interpolated to provide corrected image data. In some embodiments, clinical outputs from the corrected image data can be computed.
    Type: Application
    Filed: May 4, 2010
    Publication date: February 10, 2011
    Inventors: Joseph A. Izatt, Mingtao Zhao, Anthony N. Kuo
  • Publication number: 20100150467
    Abstract: In accordance with this disclosure, methods, systems, and computer readable media for synthetic wavelength-based phase unwrapping in optical coherence tomography are provided. Synthetic wavelength phase unwrapping can be applied to OCT data and can correctly resolve sample motions that are larger than ?o/2. A method for phase unwrapping of an OCT signal can include acquiring raw OCT signal data, interpolating and processing the OCT signal data to obtain a DC spectrum, comparing the raw OCT signal data to the DC spectrum to generate an interference signal, applying Gaussian windows to the interference signal to generate a two separate signals, extracting phase information from the two signals, and comparing the phase information of the two signals to produce unwrapped phase data. A value of 2? can be added to the phase data if the difference between the phase information of the two signals is less than zero.
    Type: Application
    Filed: July 21, 2009
    Publication date: June 17, 2010
    Inventors: Mingtao Zhao, Hansford Hendargo, Joesph A. Izatt
  • Publication number: 20080204762
    Abstract: Methods, systems, and computer program products for removing undesired artifacts in Fourier domain optical coherence tomography (FDOCT) systems using integrating buckets are disclosed. According to one aspect, a method includes introducing a variable phase delay between a reference arm and a sample arm of an FDOCT interferometer using sinusoidal phase modulation. Further, the method includes acquiring an interferometric intensity signal using an integrating buckets technique. The method also includes resolving the interferometric intensity signal to remove undesired artifacts.
    Type: Application
    Filed: January 17, 2008
    Publication date: August 28, 2008
    Inventors: Joseph A. Izatt, Yuankai K. Tao, Mingtao Zhao
  • Patent number: 7349144
    Abstract: An exterior electrochromic reflective mirror element for a vehicular exterior rearview mirror assembly comprises an electrochromic cross-linked polymeric solid film disposed between a first substrate and a second substrate. The electrochromic cross-linked polymeric solid film contacts a transparent conductive layer of the first substrate and a conductive layer comprising a metallic reflective layer of the second substrate. A visual indicator display is disposed to the rear of said second substrate and is part of a blind spot detection and display system and is actuated to emit light responsive to a detection of another overtaking vehicle in a side lane. Light emitted by the visual indicator display passes through the second substrate, through the electrochromic cross-linked polymeric solid film and through the first substrate to be viewed by a driver of the vehicle equipped with the exterior electochromic reflective mirror element.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: March 25, 2008
    Assignee: Donnelly Corporation
    Inventors: Desaraju V. Varaprasad, Mingtao Zhao, Craig Allen Dornan, Anoop Agrawal, Niall R. Lynam, Pierr-Marc Allemand
  • Patent number: 7202987
    Abstract: An electrochromic mirror device suitable for use in a vehicle comprises a first transparent substrate having a transparent conductive layer on a surface thereof and a second substrate having a conductive layer on a surface thereof. The conductive layer of the first substrate opposes the second conductive layer of the second substrate in a spaced-apart relationship thereby forming an interpane distance between the substrates. A boundary seal is interposed between the first and second substrates spacing apart the substrates and forming a cavity wherein the interpane distance is at least about 10 microns. An electrochromic cross-linked polymeric solid film is disposed within the cavity. The electrochromic cross-linked solid polymeric film is formed from an electrochromic monomer composition that includes at least one cathodic electrochromic compound. The second conductive layer comprises a metallic reflective layer.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: April 10, 2007
    Assignee: Donnelly Corporation
    Inventors: Desaraju V. Varaprasad, Mingtao Zhao, Craig Allen Dornan, Anoop Agrawal, Pierr-Marc Allemand, Niall R. Lynam
  • Publication number: 20050079326
    Abstract: An electrochromic mirror device suitable for use in a vehicle comprises a first transparent substrate having a transparent conductive layer on a surface thereof and a second substrate having a conductive layer on a surface thereof. The conductive layer of the first substrate opposes the second conductive layer of the second substrate in a spaced-apart relationship thereby forming an interpane distance between the substrates. A boundary seal is interposed between the first and second substrates spacing apart the substrates and forming a cavity wherein the interpane distance is at least about 10 microns. An electrochromic cross-linked polymeric solid film is disposed within the cavity. The electrochromic cross-linked solid polymeric film is formed from an electrochromic monomer composition that includes at least one cathodic electrochromic compound. The second conductive layer comprises a metallic reflective layer.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 14, 2005
    Applicant: Donnelly Corporation
    Inventors: Desaraju Varaprasad, Mingtao Zhao, Craig Dornan, Anoop Agrawal, Pierr-Marc Allemand, Niall Lynam
  • Publication number: 20030087107
    Abstract: The present invention relates to electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films and processes for making such solid films and devices. The electrochromic polymeric solid films of the present invention exhibit beneficial properties and characteristics, especially when compared to known electrochromic media. The electrochromic polymeric solid films are transformed in situ from a low viscosity electrochromic monomer composition by exposure to electromagnetic radiation, and in so doing minimum shrinkage occurs. The electrochromic polymeric solid films of the present invention also perform well under prolonged coloration, outdoor weathering and all-climate exposure, and provide an inherent safety aspect not known to electrochromic media heretofore.
    Type: Application
    Filed: July 16, 2002
    Publication date: May 8, 2003
    Applicant: Donnelly Corporation
    Inventors: Desaraju V. Varaprasad, Mingtao Zhao, Craig Allen Dornan, Anoop Agrawal, Pierr-Marc Allemand, Niall R. Lynam