Patents by Inventor Koji Yokuda

Koji Yokuda 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).

  • Ultrasonic wave transmitting and receiving system for detecting underwater objects
    Patent number: 7460433
    Abstract: A trawl net (2) is attached to ends of warps (4) extending from a ship (6), such as a trawl boat, in the sternward direction, and a transponder (5) to transmit a response signal is attached to an upper part of a net mouth of the trawl net (2). The ship (6) forms a transmission beam TB of a detection signal by a transducer (1) at the bottom of the ship, and performs detection in the detection range. The transponder (5) receives the detection signal, and forms a transmission beam TPB of a frequency different from that. A detection image and a position display image of the transponder are superposed and displayed on a display of a scanning sonar or are displayed side by side.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: December 2, 2008
    Assignee: Furuno Electric Company, Limited
    Inventors: Yasushi Nishimori, Akira Okunishi, Kouzo Tokuyama, Koji Yokuda
  • Ultrasonic wave transmitter receiver
    Publication number: 20060236770
    Abstract: A trawl net (2) is attached to ends of warps (4) extending from a ship (6), such as a trawl boat, in the sternward direction, and a transponder (5) to transmit a response signal is attached to an upper part of a net mouth of the trawl net (2). The ship (6) forms a transmission beam TB of a detection signal by a transducer (1) at the bottom of the ship, and performs detection in the detection range. The transponder (5) receives the detection signal, and forms a transmission beam TPB of a frequency different from that. A detection image and a position display image of the transponder are superposed and displayed on a display of a scanning sonar or are displayed side by side.
    Type: Application
    Filed: April 16, 2004
    Publication date: October 26, 2006
    Inventors: Yasushi Nishimori, Akira Okunishi, Kouzo Tokuyama, Koji Yokuda