Patents by Inventor Tomoyuki FUKUTA

Tomoyuki FUKUTA 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).

  • Low-gloss chemically colored stainless steel, chemically colored stainless steel processed product, and method for manufacturing same
    Patent number: 11008667
    Abstract: [Problem] There is provided a colored stainless-steel product having excellent viewing-angle color tone discrimination and excellent corrosion resistance, in which a chemical coloration technique having sophisticated industrial color tone is used. [Solution] The product is a chemically-colored stainless-steel product having an uneven surface formed by a grinding treatment, wherein the 60-degree specular gloss [Gs (60 degrees)] of the uneven surface is 5 to 50. The grinding treatment is performed by a single sandblasting treatment or a combination of the sandblasting treatment and an electrolytic polishing treatment. The sandblasting treatment is performed with a projection material configured from inorganic particles having a Mohs' hardness of at least six.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: May 18, 2021
    Inventors: Kazuyoshi Kawami, Atsushi Kinoshita, Tomoyuki Fukuta, Yasunobu Sawada
  • Low-Gloss Chemically Colored Stainless Steel, Chemically Colored Stainless Steel Processed Product, and Method for Manufacturing Same
    Publication number: 20190292677
    Abstract: [Problem] There is provided a colored stainless-steel product having excellent viewing-angle color tone discrimination and excellent corrosion resistance, in which a chemical coloration technique having sophisticated industrial color tone is used. [Solution] The product is a chemically-colored stainless-steel product having an uneven surface formed by a grinding treatment, wherein the 60-degree specular gloss [Gs (60 degrees)] of the uneven surface is 5 to 50. The grinding treatment is performed by a single sandblasting treatment or a combination of the sandblasting treatment and an electrolytic polishing treatment. The sandblasting treatment is performed with a projection material configured from inorganic particles having a Mohs' hardness of at least six.
    Type: Application
    Filed: August 2, 2017
    Publication date: September 26, 2019
    Applicant: Asahimekki Corporation
    Inventors: Kazuyoshi KAWAMI, Atsushi KINOSHITA, Tomoyuki FUKUTA, Yasunobu SAWADA