Patents by Inventor Masao Tomiyama

Masao Tomiyama 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).

  • Patent number: 5122809
    Abstract: In a microwave electric power receiver, a microstrip resonator having a line length 1/2 of a wavelength of a microwave to be received is notched to be split at its longitudinally central portion into two portions. A rectification diode is interposed between notched end portions of the microstrip resonator portions to be matched therewith. The diode generates a DC power.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: June 16, 1992
    Assignees: Yamatake-Honeywell Co., Ltd, Yokowo Mfg. Co., Ltd.
    Inventors: Shinichi Haruyama, Masao Tomiyama, Yoshikazu Kawashima, Hiroaki Kojima