Patents by Inventor Yoji Kanuma

Yoji Kanuma 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).

  • Sealing structures for the output portions of magnetrons
    Patent number: 3967087
    Abstract: In the sealing structure for the output portion of a magnetron of the type wherein the output portion including an antenna is sealed to the magnetron support, the support is provided with an opening at the center which is surrounded by an annular bent portion. The bent portion is provided with axial slits for resiliently receiving a sealing ring at the base of the antenna.
    Type: Grant
    Filed: October 8, 1974
    Date of Patent: June 29, 1976
    Assignee: Hitachi, Ltd.
    Inventor: Yoji Kanuma