Patents by Inventor Itaru YAMANA

Itaru YAMANA 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).

  • In-vehicle device, recording medium, and keyless entry system
    Patent number: 10875501
    Abstract: An in-vehicle device includes a plurality of transmitting antennas, an in-vehicle device transmitter configured to transmit measurement signals via the plurality of respective transmitting antennas, an in-vehicle device receiver configured to receive, from a portable device, a measurement result signal that includes measurement data of received signal strengths of the respective measurement signals that have been transmitted from the plurality of respective transmitting antennas, and an in-vehicle device controller configured to determine whether to identify a location of the portable device based on the received signal strengths included in the measurement result signal, and, in a case where the in-vehicle device controller has determined that the location of the portable device is to be identified, identify the location of the portable device based on the received signal strengths included in the measurement result signal.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: December 29, 2020
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Satoshi Nakajima, Satoshi Hayasaka, Akira Hashimoto, Itaru Yamana, Yasuhiro Suzuki
  • IN-VEHICLE DEVICE, RECORDING MEDIUM, AND KEYLESS ENTRY SYSTEM
    Publication number: 20200017074
    Abstract: An in-vehicle device includes a plurality of transmitting antennas, an in-vehicle device transmitter configured to transmit measurement signals via the plurality of respective transmitting antennas, an in-vehicle device receiver configured to receive, from a portable device, a measurement result signal that includes measurement data of received signal strengths of the respective measurement signals that have been transmitted from the plurality of respective transmitting antennas, and an in-vehicle device controller configured to determine whether to identify a location of the portable device based on the received signal strengths included in the measurement result signal, and, in a case where the in-vehicle device controller has determined that the location of the portable device is to be identified, identify the location of the portable device based on the received signal strengths included in the measurement result signal.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 16, 2020
    Inventors: Satoshi NAKAJIMA, Satoshi HAYASAKA, Akira HASHIMOTO, Itaru YAMANA, Yasuhiro SUZUKI