Patents by Inventor Yasumasa Kohno

Yasumasa Kohno 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).

  • Method and device for magnetically transporting
    Patent number: 4395746
    Abstract: A method and device for magnetically transporting finely divided magnetic particles accumulated or deposited at a space. First a DC magnetic field is exerted to the finely divided magnetic particles so as to magnetize and bring them into an easy-to-be-handled state and then revolving alternating fields are exerted to the magnetized, finely divided magnetic particles, thereby magnetically transporting them.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: July 26, 1983
    Assignees: Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Tohoku Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Hiroto Tanaka, Yasumasa Kohno, Hideyuki Tanaka, Kotaro Sasaki
  • Magnetic particle separating device
    Patent number: 4306970
    Abstract: A magnetic particle separating device in which magnetic particles entrained or contained in coolants, lubricants or working fluids are separated and removed by the application of magnetic fields.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: December 22, 1981
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Hiroto Tanaka, Yasumasa Kohno, Hideyuki Tanaka