Patents by Inventor Bufu Liu

Bufu Liu 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).

  • Method and system for detecting special nuclear materials
    Patent number: 9268027
    Abstract: A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: February 23, 2016
    Assignees: Nuctech Company Ltd., Tsinghua University
    Inventors: Kejun Kang, Yigang Yang, Qitian Miao, Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Hua Peng, Guang Yang, Bufu Liu
  • Method and system for detecting special nuclear materials
    Patent number: 9081099
    Abstract: A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: July 14, 2015
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Kejun Kang, Yigang Yang, Qitian Miao, Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Hua Peng, Guang Yang, Bufu Liu
  • Method and System for Detecting Special Nuclear Materials
    Publication number: 20140098918
    Abstract: A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.
    Type: Application
    Filed: October 7, 2013
    Publication date: April 10, 2014
    Applicants: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITY
    Inventors: Kejun Kang, Yigang Yang, Qitian Miao, Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Hua Peng, Guang Yang, Bufu Liu
  • Method and System for Detecting Special Nuclear Materials
    Publication number: 20110096886
    Abstract: A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.
    Type: Application
    Filed: May 7, 2009
    Publication date: April 28, 2011
    Applicants: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Yigang Yang, Qitian Miao, Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Hua Peng, Guang Yang, Bufu Liu