Patents by Inventor Mamoru Tonooka

Mamoru Tonooka 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).

  • Directivity display device and method
    Patent number: 4298965
    Abstract: A directivity display device and method are disclosed which involve a first saw-tooth generator producing a scan signal and a brilliance modulation circuit producing a brilliance modulated signal derived from the characteristic output of a test object with respect to a rotational angle of the test object. Thereby, the directivity display device makes it possible to display in graphic form a property of the test on a cathode-ray tube with a polar or other coordinate representation.
    Type: Grant
    Filed: October 25, 1979
    Date of Patent: November 3, 1981
    Assignee: Nissan Motor Company, Limited
    Inventors: Hiroshi Kogo, Mamoru Tonooka, Teruhisa Aoki, Shigeo Ando, Raiji Tomiyama