Patents by Inventor Dunhao Chen

Dunhao Chen 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).

  • Bone morphometric method using radiation patterns along measuring lines related to a bone axis and apparatus for carrying out the same
    Patent number: 5602935
    Abstract: The present invention relates to a bone morphometric method using a radiograph capable of measuring a sample bone with enhanced accuracy, which comprises, inter alia, determining a bone axis by specifying two points on the head of the sample bone and two points on the shaft of the sample bone in a region of interest in the radiograph, and interconnecting the middle point on the line connecting the former two points and the middle point on the line connecting the latter two points. The present invention is also directed to a bone morphometric apparatus for carrying out the bone morphometric method.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: February 11, 1997
    Assignee: Teijin Limited
    Inventors: Makoto Yoshida, Dunhao Chen