Patents by Inventor Kunihiro Chihara

Kunihiro Chihara 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).

  • Moving object measuring apparatus, moving object measuring system, and moving object measurement
    Publication number: 20070064975
    Abstract: A moving object measuring apparatus includes: a movement trajectory information acquisition portion that obtains movement trajectory information indicating a movement trajectory of a moving object from images included in two or more video sequences that are stored, for each of the two or more video sequences separately; a three-dimensional trajectory information acquisition portion that obtains three-dimensional trajectory information that is information of a three-dimensional trajectory of the moving object by using Visual Hulls Method, based on the movement trajectory information obtained by the movement trajectory information acquisition portion for each of the two or more video sequences separately and two or more camera parameters that are stored; and a three-dimensional trajectory information output portion that outputs the three-dimensional trajectory information.
    Type: Application
    Filed: May 15, 2006
    Publication date: March 22, 2007
    Applicant: National University Corporation Nara Institute of Science and Technology
    Inventors: Kenta Takanohashi, Yoshitsugu Manabe, Yoshihiro Yasumuro, Kunihiro Chihara
  • Ultrasonic angioscope system
    Patent number: 6858009
    Abstract: An ultrasonic angioscope system which uses an imaging technique of sending ultrasonic waves to a portion ahead of a stricture of a blood vessel and visualizing a portion in the forward direction of the angioscope, and which uses a laser breakdown is provided.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: February 22, 2005
    Assignee: Japan Science and Technology Corporation
    Inventors: Satoshi Kawata, Tadao Sugiura, Osamu Ohshiro, Kunihiro Chihara
  • Ultrasonic angioscope system
    Publication number: 20040102821
    Abstract: An ultrasonic angioscope system which uses an imaging technique of sending ultrasonic waves to a portion ahead of a stricture of a blood vessel and visualizing a portion in the forward direction of the angioscope, and which uses a laser breakdown is provided.
    Type: Application
    Filed: September 29, 2003
    Publication date: May 27, 2004
    Inventors: Satoshi Kawata, Tadao Sugiura, Osamu Ohshiro, Kunihiro Chihara
  • Ultrasonic equipment and its catheter-type ultrasonic probe
    Patent number: 5273045
    Abstract: An Ultrasonic Equipment and its Catheter-type Ultrasonic Probe can be inserted in capillaries such as blood vessels, and comprises a catheter-type ultrasonic probe for generating ultrasonic waves by a piezoelectric transducer arrayed at its tip. A plurality of the piezoelectric transducer segments are arrayed on a two-dimensional plane, perpendicular or approximately perpendicular to the insertion direction of the probe into a capillary with their ultrasonic wave emitting surface faced in the insertion direction. A part of the plane is cut out to provide a guide unit for passing a treating catheter or a guide wire in the insertion direction.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: December 28, 1993
    Assignee: Fujitsu Limited
    Inventors: Kunihiro Chihara, Hiroshi Ishikawa, Kazuhiro Watanabe, Kenji Kawabe, Takaki Shimura