Patents by Inventor Azusa YAMADA

Azusa YAMADA 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).

  • Publication number: 20210270707
    Abstract: This chemical analysis device is provided with: a plurality of ultrasonic elements; a waveform generator which generates an ultrasonic waveform; a determiner which determines the positions and the number of ultrasonic elements to be driven from among the plurality of ultrasonic elements; a variable matching circuit which, on the basis of the determination result, matches impedance between the waveform generator and each of the ultrasonic elements to be driven; and a switch which selects the ultrasonic elements to be driven from among the plurality of the ultrasonic elements.
    Type: Application
    Filed: May 13, 2019
    Publication date: September 2, 2021
    Inventors: Yuusuke KOURAI, Kota SASAKI, Jun MAEDA, Azusa YAMADA, Tetsuyoshi ONO