Patents by Inventor Hirohisa Ichihata

Hirohisa Ichihata 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).

  • Dry machining apparatus
    Patent number: 10245694
    Abstract: A dry machining apparatus includes: a tool that machine a workpiece; a first surface that is arranged below the tool and receives chips generated by the machining; a second surface that is arranged upper than the first surface; a third surface that connects the first surface and the second surface; and an air jet nozzle that has an air jet port which jets air toward a boundary portion between the second surface and the third surface from the second surface, and the air jet nozzle supplies at least a part of the air jetted from the air jet port to the first surface.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 2, 2019
    Assignee: Mitsubishi Heavy Industries Machine Tool Co., Ltd.
    Inventors: Yoshinao Komatsu, Hirohisa Ichihata, Kazuyuki Ishizu
  • DRY MACHINING APPARATUS
    Publication number: 20180257190
    Abstract: A dry machining apparatus includes: a tool that machine a workpiece; a first surface that is arranged below the tool and receives chips generated by the machining; a second surface that is arranged upper than the first surface; a third surface that connects the first surface and the second surface; and an air jet nozzle that has an air jet port which jets air toward a boundary portion between the second surface and the third surface from the second surface, and the air jet nozzle supplies at least a part of the air jetted from the air jet port to the first surface.
    Type: Application
    Filed: November 19, 2015
    Publication date: September 13, 2018
    Applicant: Mitsubishi Heavy Industries Machine Tool Co., Ltd.
    Inventors: Yoshinao KOMATSU, Hirohisa ICHIHATA, Kazuyuki ISHIZU
  • Method of and apparatus for measuring tooth thickness of gear
    Patent number: 5396711
    Abstract: A method of measuring tooth thickness in which the tooth thickness of gear is determined by bringing a pair of measuring legs having an opposing measuring part of ridge line shape close to each other in the direction perpendicular to the axis of gear being measured, letting said measuring parts abut on the tooth face, and measuring the gap between the pair of measuring parts, and an apparatus for carrying out this method.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: March 14, 1995
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Hideo Iwasaki, Takahide Tokawa, Hirohisa Ichihata, Syun-ichi Nishizawa