Patents by Inventor Katsumi HONGYO

Katsumi HONGYO 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).

  • Patent number: 11566201
    Abstract: A plunger lubricant for die casting includes a component (a), a component (b), a component (c), and water. The component (a) is one or two or more compounds selected from among mineral oils, synthetic hydrocarbons, and fatty acid esters. The component (b) is one or two or more compounds selected from among alkali metal salts of higher fatty acids or alkali metal salts of aliphatic hydroxy acids. The component (c) is an alkali metal salt of an oxoacid or polyoxoacid that is able to be dehydrated and condensed.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: January 31, 2023
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Nippon Quaker Chemical, Ltd.
    Inventors: Soichiro Ishida, Eiji Tabata, Yuichi Furukawa, Katsumi Hongyo, Toshikazu Ikeda
  • Publication number: 20220081640
    Abstract: A plunger lubricant for die casting includes a component (a), a component (b), a component (c), and water. The component (a) is one or two or more compounds selected from among mineral oils, synthetic hydrocarbons, and fatty acid esters. The component (b) is one or two or more compounds selected from among alkali metal salts of higher fatty acids or alkali metal salts of aliphatic hydroxy acids. The component (c) is an alkali metal salt of an oxoacid or polyoxoacid that is able to be dehydrated and condensed.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 17, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Nippon Quaker Chemical, Ltd.
    Inventors: Soichiro ISHIDA, Eiji TABATA, Yuichi FURUKAWA, Katsumi HONGYO, Toshikazu IKEDA