Patents by Inventor Koji Kakehi

Koji Kakehi 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).

  • HEAT-RESISTANT ALLOY, HEAT-RESISTANT ALLOY POWDER, HEAT-RESISTANT ALLOY STRUCTURAL COMPONENT, AND MANUFACTURING METHOD OF THE SAME
    Publication number: 20240076763
    Abstract: A heat-resistant alloy contains Y, a content of Ni is a content of Ni is 58.0 mass % or greater, a content of Cr is 20.0 mass % or greater and 23.0 mass % or less, a content of Mo is 8.0 mass % or greater and 10.0 mass % or less, a content of Nb is 3.15 mass % or greater and 4.15 mass % or less, a content of O is 0.002 mass % or greater and 0.1 mass % or less, and a ratio of a content of Y in terms of mass to a content of O in terms of mass is 0.5 or greater and 100 or less.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 7, 2024
    Applicants: TOKYO METROPOLITAN PUBLIC UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Koji Kakehi, Shigenari Hayashi, Yen-Ling Kuo
  • Heat-resistant alloy, heat-resistant alloy powder, heat-resistant alloy structural component, and manufacturing method of the same
    Patent number: 11846006
    Abstract: A heat-resistant alloy contains at least one element selected from a group consisting of Al, Ti, Ni, Cr, and Mo, O, and Y, and a ratio of a content of Y in terms of mass to a content of O in terms of mass is 0.5 or greater and 100 or less.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: December 19, 2023
    Assignees: TOKYO METROPOLITAN PUBLIC UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Koji Kakehi, Shigenari Hayashi, Yen-Ling Kuo
  • HEAT-RESISTANT ALLOY, HEAT-RESISTANT ALLOY POWDER, HEAT-RESISTANT ALLOY STRUCTURAL COMPONENT, AND MANUFACTURING METHOD OF THE SAME
    Publication number: 20220325383
    Abstract: A heat-resistant alloy contains at least one element selected from a group consisting of Al, Ti, Ni, Cr, and Mo, O, and Y, and a ratio of a content of Y in terms of mass to a content of O in terms of mass is 0.5 or greater and 100 or less.
    Type: Application
    Filed: October 2, 2020
    Publication date: October 13, 2022
    Applicants: TOKYO METROPOLITAN PUBLIC UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Koji Kakehi, Shigenari Hayashi, Yen-Ling Kuo
  • Stabilized alkylene oxide adduct containing lactic acid or a lactate
    Patent number: 4737314
    Abstract: A stabilized alkylene oxide adduct of a hydroxyl group-containing organic compound, having at least one compound selected from the group consisting of lactic acid and lactates and added to said alkylene oxide adduct of said hydroxyl group-containing organic compound or a sulfate thereof and a liquid detergent composition having as a detergent active component thereof the stabilized alkylene oxide adduct.
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: April 12, 1988
    Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.
    Inventors: Hiromi Yokoyama, Koji Kakehi, Hitoshi Ozaki, Yuson Hayashi