Patents by Inventor Toru HIROSHIMA

Toru HIROSHIMA 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).

  • Machining device
    Patent number: 10131450
    Abstract: A machining device may include an electric motor, a blade rotatably driven by the electric motor for machining a workpiece, and a blade cover configured to surround the blade. A resonance sound reduction device may be disposed at the blade cover and may reduce air vibration generated by the rotation of the blade.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 20, 2018
    Assignee: MAKITA CORPORATION
    Inventors: Toru Hiroshima, Yuta Kawai, Sho Kume, Kenji Nose, Yuki Wada, Naoki Ozawa
  • MACHINING DEVICE
    Publication number: 20170021466
    Abstract: A machining device may include an electric motor, a blade rotatably driven by the electric motor for machining a workpiece, and a blade cover configured to surround the blade. A resonance sound reduction device may be disposed at the blade cover and may reduce air vibration generated by the rotation of the blade.
    Type: Application
    Filed: April 28, 2016
    Publication date: January 26, 2017
    Applicant: MAKITA CORPORATION
    Inventors: Toru HIROSHIMA, Yuta KAWAI, Sho KUME, Kenji NOSE, Yuki WADA, Naoki OZAWA