Patents by Inventor Kiyotaka Furuno

Kiyotaka Furuno 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).

  • Fish school detecting method or apparatus
    Patent number: 4894661
    Abstract: A fish school detecting method or apparatus radiates radio search signals with their carrier frequency in the S-band frequency range, successively in different azimuthal directions through a wide angular range, receives echo signals, and displays the echo signals on the screen of an indicator in such a manner that the echo signal reflected by a bird is clearly distinguished from the other objects, thereby locating the bird and detecting a fish school under the bird.
    Type: Grant
    Filed: April 21, 1987
    Date of Patent: January 16, 1990
    Assignee: Furuno Electric Company, Limited
    Inventors: Kiyotaka Furuno, Hidetoshi Tanigaki, Kouji Yano, Tadashi Ozaki, Yoshihisa Fukuda, Takumi Fujikawa, Makoto Tanaka