Patents by Inventor Koichiro Sakuma

Koichiro Sakuma 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 receiving apparatus using a waveguide filter
    Patent number: 4547901
    Abstract: In a microwave receiving apparatus using a waveguide filter, the waveguide filter is disposed in parallel to a microwave reception circuit board mounted in a shield container.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: October 15, 1985
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Toshio Shibata, Koichiro Sakuma