Patents by Inventor Takashi Kakihana

Takashi Kakihana 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).

  • Wire electric discharge machining apparatus
    Patent number: 9421627
    Abstract: A wire electric discharge machining apparatus that machines a workpiece by using a wire supported between a lower arm and an upper arm. The apparatus includes a surface plate that has a vacant inner area in which the wire moves and supports part of the workpiece with an outer area thereof. The apparatus further includes a bellows that extends through a side surface of a casing of a machining bath, enclosing part of the lower arm, wherein a first end of the bellows that is on a side of the machining bath is attached to the lower arm so that the bellows does not get in under the inner area, at whatever position the wire machines the workpiece.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: August 23, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoichi Otomo, Hideaki Kita, Takashi Kakihana
  • WIRE ELECTRIC DISCHARGE MACHINING APPARATUS
    Publication number: 20150129558
    Abstract: A wire electric discharge machining apparatus that machines a workpiece by using a wire supported between a lower arm and an upper arm. The apparatus includes a surface plate that has a vacant inner area in which the wire moves and supports part of the workpiece with an outer area thereof. The apparatus further includes a bellows that extends through a side surface of a casing of a machining bath, enclosing part of the lower arm, wherein a first end of the bellows that is on a side of the machining bath is attached to the lower arm so that the bellows does not get in under the inner area, at whatever position the wire machines the workpiece.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 14, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoichi Otomo, Hideaki Kita, Takashi Kakihana
  • Electric discharge machine
    Patent number: D731566
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: June 9, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroichiro Shimano, Takashi Kakihana