Patents by Inventor Hiyori Yokoyama

Hiyori Yokoyama 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).

  • Gold Alloy and Method for Producing Gold Alloy
    Publication number: 20240158890
    Abstract: A gold alloy and a method for producing the gold alloy. The gold alloy includes: gold; and an Au—X-RE-based hypermaterial represented by a compositional formula AU100-(a+b)XaREb, wherein, in the compositional formula, X represents at least one atom selected from the group consisting of Al, Ga, In, Si, Ge, and Sn; RE represents a rare-earth element; and a and b respectively represent a content of X and a content of RE, expressed in at %, and satisfy the following (1) and (2): 10?a?40 (1); and 13?b?17 (2), wherein the Au—X-RE-based hypermaterial is dispersed in a gold matrix phase.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Applicant: Tokyo University of Science Foundation
    Inventors: Ryuji Tamura, Kazuki Minami, Hiyori Yokoyama, Yutaro Abe, Asuka Ishikawa