Patents by Inventor Tatsuhiko SAKAGUCHI

Tatsuhiko SAKAGUCHI 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).

  • ULTRASONIC WELDING DIAGNOSTIC METHOD, JOINING METHOD OF WELDING MEMBER, AND INSPECTION DEVICE
    Publication number: 20230294214
    Abstract: An ultrasonic welding diagnostic method includes: applying a pressing force to an object to be joined so as to generate a surface pressure on a joint surface of the object to be joined; inputting ultrasonic waves to the joint surface; detecting an elastic wave propagating through the object to be joined by at least one sensor at a plurality of different positions; analyzing a signal detected by the sensor to generate an envelope of the signal and calculating information about the envelope; and determining a joint state on the joint surface based on the calculation result of the information.
    Type: Application
    Filed: August 29, 2022
    Publication date: September 21, 2023
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takashi USUI, Keisuke UENO, Mamoru SHIBUYA, Souichi HANAFUSA, Tatsuhiko SAKAGUCHI