Patents by Inventor Akihiro Morishita

Akihiro Morishita 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 method of slotted hole
    Patent number: 8234763
    Abstract: In a processing method of a slotted hole for processing a hole in a processed subject and further processing a slot intersecting the hole, a process for generating a compressive residual stress c is applied to an inner diameter portion of the hole before the slot is processed.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: August 7, 2012
    Assignee: Showa Corporation
    Inventors: Yosuke Murakami, Shingo Watanabe, Yukihiko Kawaguchi, Akihiro Morishita, Takahiro Akatsuka
  • PROCESSING METHOD OF SLOTTED HOLE
    Publication number: 20100242244
    Abstract: In a processing method of a slotted hole for processing a hole in a processed subject and further processing a slot intersecting the hole, a process for generating a compressive residual stress c is applied to an inner diameter portion of the hole before the slot is processed.
    Type: Application
    Filed: September 16, 2009
    Publication date: September 30, 2010
    Applicant: SHOWA CORPORATION
    Inventors: Yosuke MURAKAMI, Shingo WATANABE, Yukihiko KAWAGUCHI, Akihiro MORISHITA, Takahiro AKATSUKA