Patents by Inventor Takehiro Torikai

Takehiro Torikai 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).

  • Component manufacturing method and polishing apparatus
    Patent number: 10252393
    Abstract: A component manufacturing method includes causing a holding member to hold a workpiece such that a spherical center of a processed surface of the workpiece is located on a supporting member; rotating the workpiece by rotating the holding member; and polishing the workpiece by moving the supporting member to move the workpiece on a polishing tool, with the spherical center of the processed surface located at a spherical center of a processing surface of the polishing tool.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 9, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takehiro Torikai, Hitoshi Hashizume
  • COMPONENT MANUFACTURING METHOD AND POLISHING APPARATUS
    Publication number: 20180333822
    Abstract: A component manufacturing method includes causing a holding member to hold a workpiece such that a spherical center of a processed surface of the workpiece is located on a supporting member; rotating the workpiece by rotating the holding member; and polishing the workpiece by moving the supporting member to move the workpiece on a polishing tool, with the spherical center of the processed surface located at a spherical center of a processing surface of the polishing tool.
    Type: Application
    Filed: July 30, 2018
    Publication date: November 22, 2018
    Inventors: Takehiro Torikai, Hitoshi Hashizume
  • Component manufacturing method and polishing apparatus
    Patent number: 10052737
    Abstract: A component manufacturing method includes causing a holding member to hold a workpiece such that a spherical center of a processed surface of the workpiece is located on a supporting member; rotating the workpiece by rotating the holding member; and polishing the workpiece by moving the supporting member to move the workpiece on a polishing tool, with the spherical center of the processed surface located at a spherical center of a processing surface of the polishing tool.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: August 21, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takehiro Torikai, Hitoshi Hashizume
  • COMPONENT MANUFACTURING METHOD AND POLISHING APPARATUS
    Publication number: 20150024663
    Abstract: A component manufacturing method includes causing a holding member to hold a workpiece such that a spherical center of a processed surface of the workpiece is located on a supporting member; rotating the workpiece by rotating the holding member; and polishing the workpiece by moving the supporting member to move the workpiece on a polishing tool, with the spherical center of the processed surface located at a spherical center of a processing surface of the polishing tool.
    Type: Application
    Filed: July 16, 2014
    Publication date: January 22, 2015
    Inventors: Takehiro Torikai, Hitoshi Hashizume