Patents by Inventor Kuniyoshi L. Sakai

Kuniyoshi L. Sakai 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).

  • NMR measurement system and NMR image processing system for neural fiber bundles with volume of interest (VOI) optimization
    Patent number: 7834627
    Abstract: The present invention provides a measurement system and an image processing system for quantitatively figuring out the fiber bundles which are passing through any VOI. A static magnetic field and an RF signal are applied to a subject, and a nuclear magnetic resonance signal is received from the subject (401). Diffusion tensor is calculated from the nuclear magnetic resonance signals (402). As to a target area for receiving the nuclear magnetic resonance signal from the subject, fiber bundles passing through multiple predetermined origins, respectively, are extracted in a form of a group of coordinate points for each of the fiber bundles, based on the diffusion tensor calculated by the calculating means (406). At least one VOI is set for the target area for receiving the nuclear magnetic resonance signal (408).
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: November 16, 2010
    Assignees: Hitachi, Ltd., The University of Tokyo
    Inventors: Kuniyoshi L. Sakai, Yukari Yamamoto
  • Measurement system and image processing system for neural fiber bundles
    Publication number: 20080122440
    Abstract: The present invention provides a measurement system and an image processing system for quantitatively figuring out the fiber bundles which are passing through any VOI. A static magnetic field and an RF signal are applied to a subject, and a nuclear magnetic resonance signal is received from the subject (401). Diffusion tensor is calculated from the nuclear magnetic resonance signals (402). As to a target area for receiving the nuclear magnetic resonance signal from the subject, fiber bundles passing through multiple predetermined origins, respectively, are extracted in a form of a group of coordinate points for each of the fiber bundles, based on the diffusion tensor calculated by the calculating means (406). At least one VOI is set for the target area for receiving the nuclear magnetic resonance signal (408).
    Type: Application
    Filed: November 27, 2007
    Publication date: May 29, 2008
    Inventors: Kuniyoshi L. Sakai, Yukari Yamamoto