Patents by Inventor Masaki Shiwaki

Masaki Shiwaki 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).

  • Processing apparatus and processing method
    Patent number: 11926010
    Abstract: A processing apparatus includes: an apparatus main body including a base portion that is movable and a liquid supply unit that supplies a liquid to the base portion; a chuck portion connected to the base portion and including an attachment hole that is open outward; and a processing tool detachably mounted on the chuck portion. The processing tool includes a cylinder fitted into and held by the attachment hole, a drive unit disposed inside the cylinder and including a rotating body to be rotated around a central axis by the liquid introduced from the liquid supply unit via the base portion, a rotary shaft protruding outward from an inside of the cylinder along the central axis to rotate integrally with the rotating body, and a tool portion connected to a tip of the rotary shaft.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 12, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Yoshiki Tazawa, Masaki Shiwaki
  • PROCESSING APPARATUS AND PROCESSING METHOD
    Publication number: 20230056338
    Abstract: A processing apparatus includes: an apparatus main body including a base portion that is movable and a liquid supply unit that supplies a liquid to the base portion; a chuck portion connected to the base portion and including an attachment hole that is open outward; and a processing tool detachably mounted on the chuck portion. The processing tool includes a cylinder fitted into and held by the attachment hole, a drive unit disposed inside the cylinder and including a rotating body to be rotated around a central axis by the liquid introduced from the liquid supply unit via the base portion, a rotary shaft protruding outward from an inside of the cylinder along the central axis to rotate integrally with the rotating body, and a tool portion connected to a tip of the rotary shaft.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 23, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Yoshiki Tazawa, Masaki Shiwaki