Patents by Inventor Daisaku Yanaga

Daisaku Yanaga 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).

  • Stress test jig and stress test method
    Patent number: 11002647
    Abstract: A stress test the jig 10 includes an upper cylinder 12, a lower cylinder 14, and a frame 16. The frame 16 has an accommodating space 16a, an upper through hole 16b, and a lower through hole 16c. A test specimen 20 is disposed in the accommodating space 16a, the upper cylinder 12 is inserted into the upper through hole 16b, and the lower cylinder 14 is inserted into the lower through hole 16c. The upper cylinder 12 and the lower cylinder 14 fix the test specimen 20 such that the test specimen 20, the upper cylinder 12, and the lower cylinder 14 are positioned coaxially.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: May 11, 2021
    Assignee: Nippon Steel Corporation
    Inventors: Koichi Kuroda, Daisaku Yanaga, Yuhei Suzuki
  • Stress Test Jig and Stress Test Method
    Publication number: 20190242799
    Abstract: A stress test the jig 10 includes an upper cylinder 12, a lower cylinder 14, and a frame 16. The frame 16 has an accommodating space 16a, an upper through hole 16b, and a lower through hole 16c. A test specimen 20 is disposed in the accommodating space 16a, the upper cylinder 12 is inserted into the upper through hole 16b, and the lower cylinder 14 is inserted into the lower through hole 16c. The upper cylinder 12 and the lower cylinder 14 fix the test specimen 20 such that the test specimen 20, the upper cylinder 12, and the lower cylinder 14 are positioned coaxially.
    Type: Application
    Filed: July 18, 2017
    Publication date: August 8, 2019
    Inventors: Koichi Kuroda, Daisaku Yanaga, Yuhei Suzuki