Patents by Inventor Kazuaki USAMI

Kazuaki USAMI 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).

  • ELECTRIC WORK MACHINE
    Publication number: 20240364097
    Abstract: An electric work machine according to the present disclosure includes: a motor; and a first control circuit. The first control circuit increases a first counter on the basis of the acquired or estimated line current value being greater than a current threshold. The first control circuit decreases the first counter on the basis of the calculated rotational speed being greater than a speed threshold. The first control circuit stops the motor on the basis of the first counter exceeding a first threshold.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 31, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Kazuaki USAMI, Masayuki OKAMURA, Dai SUZUKI, Kouichi TAKEDA