Patents by Inventor Ibaraki YAMAGUCHI

Ibaraki YAMAGUCHI 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).

  • ALUMINUM ALLOY MATERIAL AND HYDROGEN EMBRITTLEMENT INHIBITOR FOR ALUMINUM ALLOY MATERIALS
    Publication number: 20230265545
    Abstract: An aluminum alloy material having an aluminum alloy composition of the aluminum alloy compositions (1) below. Aluminum alloy composition (1) 0.30 mass% or less of Si, more than 0.35 mass% of Fe, 0.20 mass% or less of Cu, 0.20 to 0.70 mass% of Mn, 1.0 to 2.0 mass% of Mg, 0.30 mass% or less of Cr, 4.0 to 5.0 mass% of Zn, 0.10 mass% or less of V, 0.25 mass% or less of Zr, and 0.20 mass% or less of Ti, while additionally containing Al.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 24, 2023
    Applicant: JAPAN ATOMIC ENERGY AGENCY
    Inventors: Hiroyuki TODA, Kazuyuki SHIMIZU, Ibaraki YAMAGUCHI