Patents by Inventor Yukio Hiramatsu

Yukio Hiramatsu 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).

  • Microwave window and matching structure
    Patent number: 4556854
    Abstract: A circular waveguide window between two rectangular wave-guides, having increased bandwidth and increased power handling capability. It uses particular window and an impedance matching structures whose dimensions are related in a particular way to the dimensions of the rectangular waveguides.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: December 3, 1985
    Assignee: Litton Systems, Inc.
    Inventor: Yukio Hiramatsu