Patents by Inventor Takahisa MASUKAWA

Takahisa MASUKAWA 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).

  • Cap and securing structure part using cap
    Patent number: 10309440
    Abstract: A cap is applied to a securing structure part for securing structure elements using a fastener passed through through-holes formed in the structure elements, and a collar fastened to the tip part of the fastener. A filler engaging part for engaging a cured filler, configured with a female thread that turns about a center axis, is formed on the inner peripheral surface of the cap. The filler engaging part includes a first helical engagement part formed in the region near the cap inner part of the inner peripheral surface in the center axis direction; and a second helical engagement part formed in the region near the cap opening-end part in the center axis direction, the inner diameter of the second helical engagement part being greater than that of the first helical engagement part, and having a helical direction that is opposite to that of the first helical engagement part.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: June 4, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masahiro Bessho, Naomoto Ishikawa, Nobuyuki Kamihara, Yuichiro Kamino, Hisashi Tanaka, Takahisa Masukawa
  • CAP, CAP MOLD, SECURING STRUCTURE PART USING CAP, AND METHOD FOR MOUNTING CAP
    Publication number: 20170082131
    Abstract: A cap is applied to a securing structure part for securing structure elements using a fastener passed through through-holes formed in the structure elements, and a collar fastened to the tip part of the fastener. A filler engaging part for engaging a cured filler, configured with a female thread that turns about a center axis, is formed on the inner peripheral surface of the cap. The filler engaging part includes a first helical engagement part formed in the region near the cap inner part of the inner peripheral surface in the center axis direction; and a second helical engagement part formed in the region near the cap opening-end part in the center axis direction, the inner diameter of the second helical engagement part being greater than that of the first helical engagement part, and having a helical direction that is opposite to that of the first helical engagement part.
    Type: Application
    Filed: March 5, 2015
    Publication date: March 23, 2017
    Inventors: Masahiro BESSHO, Naomoto ISHIKAWA, Nobuyuki KAMIHARA, Yuichiro KAMINO, Hisashi TANAKA, Takahisa MASUKAWA