Patents by Inventor Masanori HIGASHIDE

Masanori HIGASHIDE 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).

  • Multiplexer, radio frequency front-end circuit, and communication device
    Patent number: 10484039
    Abstract: A duplexer includes a 90° hybrid connected to an antenna terminal, a 90° hybrid connected to a terminating resistor, a transmission-side filter connected to the 90° hybrid connected to the antenna terminal, and notch filters connected to both of the 90° hybrids and mutually having the same filter characteristics, where each of the notch filters is a band elimination filter configured to reflect a radio frequency signal of a transmission band and allow a radio frequency signal of a band other than the transmission band to pass through.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 19, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinya Mizoguchi, Masanori Higashide
  • MULTIPLEXER, RADIO FREQUENCY FRONT-END CIRCUIT, AND COMMUNICATION DEVICE
    Publication number: 20190097675
    Abstract: A duplexer includes a 90° hybrid connected to an antenna terminal, a 90° hybrid connected to a terminating resistor, a transmission-side filter connected to the 90° hybrid connected to the antenna terminal, and notch filters connected to both of the 90° hybrids and mutually having the same filter characteristics, where each of the notch filters is a band elimination filter configured to reflect a radio frequency signal of a transmission band and allow a radio frequency signal of a band other than the transmission band to pass through.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Shinya MIZOGUCHI, Masanori HIGASHIDE