Patents by Inventor Tetsuo Yokohama

Tetsuo Yokohama 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).

  • Cine mr imaging method and apparatus
    Patent number: 5042485
    Abstract: In order to image on a time axis a moving object such as a coronary artery which changes in position dynamically along with the heart, the position to which the object has moved is measured and then the position of the object to be excited by a radio frequency field is changed in accordance with the measured position.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: August 27, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Koichi Sano, Tetsuo Yokohama, Hideaki Koizumi