Patents by Inventor Hiroki TAMAURA

Hiroki TAMAURA 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: 20230323135
    Abstract: There is provided a rust preventive pigment capable of achieving both high stability in water or an aqueous medium, and excellent rust preventive capability and adhesion of an obtained rust preventive film, and a rust preventive coating composition with which a rust preventive film can be obtained that excels in stability of a rust preventive pigment and that excels in rust preventive capability and adhesion. The rust preventive coating composition of the present invention contains a rust preventive pigment comprising one or more among particles of zinc or a zinc alloy that has had at least a portion of the surface thereof treated with phosphoric acid.
    Type: Application
    Filed: May 25, 2023
    Publication date: October 12, 2023
    Inventors: Takahiko OHTANI, Satoru TAMAKI, Tomoko KURAMOTO, Takayuki NAKAO, Hiroki TAMAURA
  • Patent number: 11760885
    Abstract: An aluminum flake pigment is an aluminum flake pigment including aluminum flakes, wherein the aluminum flakes include small-size aluminum flakes each having a particle size of less than or equal to 1 ?m, and in a microscope image when the aluminum flakes are observed using a scanning electron microscope, a ratio of the number of the small-size aluminum flakes is less than or equal to 35% with respect to the number of a whole of the aluminum flakes.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 19, 2023
    Assignee: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Tetsuya Fudaba, Koji Yoshida, Katsuhiro Kuroda, Hiroki Tamaura
  • Publication number: 20210189142
    Abstract: An aluminum flake pigment is an aluminum flake pigment including aluminum flakes, wherein the aluminum flakes include small-size aluminum flakes each having a particle size of less than or equal to 1 ?m, and in a microscope image when the aluminum flakes are observed using a scanning electron microscope, a ratio of the number of the small-size aluminum flakes is less than or equal to 35% with respect to the number of a whole of the aluminum flakes.
    Type: Application
    Filed: September 7, 2018
    Publication date: June 24, 2021
    Applicant: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Tetsuya FUDABA, Koji YOSHIDA, Katsuhiro KURODA, Hiroki TAMAURA
  • Publication number: 20200289332
    Abstract: A fixing member for medical treatment is provided which is constituted by filaments containing a thermoplastic resin and a filler. The filaments are entangled together to form a mesh structure.
    Type: Application
    Filed: January 30, 2020
    Publication date: September 17, 2020
    Applicant: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Tetsuya MATSUI, Hiroki TAMAURA, Keisuke IWASAKI