Patents by Inventor Gen Tokumoto

Gen Tokumoto 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: 11209471
    Abstract: A measurement system and a method of removing effects of instability of the measurement system while measuring at least one S-parameter of a device under test (DUT) are provided. The method includes initially determining a characteristic of the measurement system, including identifying a location of an instability in the time domain of the measurement system; determining a change of the characteristic of the measurement system while connected to the DUT; and compensating for the determined change of the characteristic of the measurement system while connected to the DUT by removing effects of the determined change on measurements of the at least one S-parameter of the DUT.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: December 28, 2021
    Assignee: Keysight Technologies, Inc.
    Inventors: Joel P. Dunsmore, Gen Tokumoto, Yasuaki Komatsu
  • Publication number: 20210341526
    Abstract: A measurement system and a method of removing effects of instability of the measurement system while measuring at least one S-parameter of a device under test (DUT) are provided. The method includes initially determining a characteristic of the measurement system, including identifying a location of an instability in the time domain of the measurement system; determining a change of the characteristic of the measurement system while connected to the DUT; and compensating for the determined change of the characteristic of the measurement system while connected to the DUT by removing effects of the determined change on measurements of the at least one S-parameter of the DUT.
    Type: Application
    Filed: April 30, 2020
    Publication date: November 4, 2021
    Inventors: Joel P. Dunsmore, Gen Tokumoto, Yasuaki Komatsu