Patents by Inventor Tatsuo Miyakawa

Tatsuo Miyakawa 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).

  • Patent number: 5013906
    Abstract: Fish sex discrimination equipment and method comprising an automatic supplying unit, a light projection and reception detection unit, a discrimination control unit, a discharge unit, and a first conveyor and a second conveyor, and also comprising the steps of automatically supplying fish to be discriminated, transmitting light to a genital gland area of the fish, scanning the light, discriminating the sex of the fish based on the quantity of light tramsmitted, for example, a mean value or integrated value, and discharging the fish through the first or second conveyor which corresponds to the sex of the fish.
    Type: Grant
    Filed: September 6, 1989
    Date of Patent: May 7, 1991
    Assignee: Fujitsu Automation Limited
    Inventors: Tatsuo Miyakawa, Osamu Kato, Yusuke Koike, Keisuke Matsunami, Naoyuki Sekiya
  • Patent number: 4601083
    Abstract: A fish processing apparatus including an image pick-up device for producing image information of a fish and a memory for storing the image information. A cutting position of head portion of the fish is determined in accordance with the image information. The relative position between the fish and a head cutter for cutting the head portion of the fish is adjusted in accordance with the determined cutting position.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: July 22, 1986
    Assignee: Fujitsu Limited
    Inventors: Toyoshige Shoji, Tatsuo Miyakawa