Patents by Inventor Daisuke IKUTAME

Daisuke IKUTAME 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).

  • Publication number: 20240018007
    Abstract: An object of the present invention is to provide a metal-doped porous silica that can be blended into an article, for example, a cosmetic product such as a perm treatment agent, and kept stably dispersed therein. The metal-doped porous silica of the present invention as a means for resolution is surface-modified with a vinylpyrrolidone unit-containing polymer. As specific examples of vinylpyrrolidone unit-containing polymers, a copolymer of vinylpyrrolidone and dimethylaminoethyl methacrylate, polyvinylpyrrolidone, and the like can be mentioned.
    Type: Application
    Filed: December 8, 2021
    Publication date: January 18, 2024
    Applicant: Toyo Seikan Group Holdings, Ltd.
    Inventors: Kazuaki OHASHI, Mariko KIMURA, Daisuke IKUTAME
  • Publication number: 20230052768
    Abstract: A porous silica having at least one metal X selected from the group consisting of Mn, Cu and Fe.
    Type: Application
    Filed: January 17, 2020
    Publication date: February 16, 2023
    Applicant: Toyo Seikan Group Holdings, Ltd.
    Inventors: Mariko KIMURA, Kazuaki OHASHI, Daisuke IKUTAME
  • Patent number: 11452743
    Abstract: Metallic copper fine particles coated with a fatty acid and an ester compound. Also disclosed is an antiviral agent containing the metallic copper fine particles and a method for producing the metallic copper fine particles.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: September 27, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Akiko Koganei, Kazuaki Ohashi, Yasuhiro Kosaka, Daisuke Ikutame
  • Publication number: 20200289556
    Abstract: Metallic copper fine particles coated with a fatty acid and an ester compound. Also disclosed is an antiviral agent containing the metallic copper fine particles and a method for producing the metallic copper fine particles.
    Type: Application
    Filed: October 2, 2018
    Publication date: September 17, 2020
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Akiko KOGANEI, Kazuaki OHASHI, Yasuhiro KOSAKA, Daisuke IKUTAME