Patents by Inventor Kihiro KUSUMOTO

Kihiro KUSUMOTO 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: 20210283762
    Abstract: A power tool includes a motor including a stator and a rotor rotatable relative to the stator about a rotation axis, a gear drivable in response to rotation of the rotor, a motor compartment accommodating the motor, a rear cover covering a rear opening in the motor compartment, a gear case accommodating the gear and covering a front opening in the motor compartment, a first screw fastening the rear cover and the motor compartment together, and a second screw fastening the motor compartment and the gear case together, and at a different position from the first screw in a plane orthogonal to the rotation axis.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 16, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Kihiro KUSUMOTO, Kenji ABE
  • Publication number: 20210060741
    Abstract: An anvil receives less stress around a rectangular prism and has higher durability. An impact wrench includes a motor, a hammer rotatable by the motor, a body accommodating the motor and the hammer, and an anvil protruding frontward from the body and to be struck in a rotation direction by the hammer. The anvil includes a blade to be in contact with the hammer, a cylinder located frontward from the blade, a rectangular prism located frontward from the cylinder, at least one chamfered surface each at an edge of the rectangular prism, and a concave on a rear end of the at least one chamfered surface.
    Type: Application
    Filed: July 14, 2020
    Publication date: March 4, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Kihiro KUSUMOTO, Tokuo HIRABAYASHI, Yuya SANO, Koji KASUGAI
  • Patent number: D936442
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 23, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Kento Nakamura, Kihiro Kusumoto