Patents by Inventor Kunihiro Miyashita

Kunihiro Miyashita 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).

  • Screen forming apparatus and method
    Patent number: 5067653
    Abstract: A screen forming apparatus and method comprises a long pipe of predetermined length floatable in the water, a pump for conveying the water through the pipe, a pipe connecting the pipe with the pump, an air-water device provided with the pipe for mixing the water with air, a number of nozzles disposed along the longitudinal direction of the pipe at predetermined intervals for injecting the water in the form of screen, and a device for producing air curtains flowing along the front and the rear surfaces of the screen in order to maintain the screen substantially uniform in thickness.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: November 26, 1991
    Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.
    Inventors: Toshimitsu Araki, Fumihiko Kawamata, Masayuki Ogino, Hitoshi Miyagawa, Toshio Kamata, Mitsuo Watanabe, Kunihiro Miyashita
  • Screen forming apparatus and method
    Patent number: 4974779
    Abstract: A screen forming apparatus and method comprises a long pipe of predetermined length floatable in the water, a pump for conveying the water through the pipe, a pipe connecting the pipe with the pump, an air-water device provided with the pipe for mixing the water with air, a number of nozzles disposed along the longitudinal direction of the pipe at predetermined intervals for injecting the water in the form of screen, and a device for producing air curtains flowing along the front and the rear surfaces of the screen in order to maintain the screen substantially uniform in thickness.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: December 4, 1990
    Assignee: Ishikzwajima-Harima Heavy Industries Co., Ltd.
    Inventors: Toshimitsu Araki, Fumihiko Kawamata, Masayuki Ogino, Hitoshi Miyagawa, Toshio Kamata, Mitsuo Watanabe, Kunihiro Miyashita