Patents by Inventor Takeshi KAKITA

Takeshi KAKITA 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).

  • Method of producing hot-stamped article
    Patent number: 10604849
    Abstract: A method of producing a hot-stamped article includes: a forming process of heating a galvanized steel sheet (1) on which a galvanized layer (12) is formed and forming the heated galvanized steel sheet (1) by hot stamping; a removal process of irradiating, after the forming step, an oxide film (13) formed on a surface of the galvanized layer (12) with laser light to remove the oxide film (13); and a coating process of performing, after the removal process, a coating treatment on the galvanized steel sheet (1) formed by hot stamping.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: March 31, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi Kakita, Kohei Hisada
  • METHOD OF PRODUCING HOT-STAMPED ARTICLE
    Publication number: 20160298239
    Abstract: A method of producing a hot-stamped article includes: a forming process of heating a galvanized steel sheet (1) on which a galvanized layer (12) is formed and forming the heated galvanized steel sheet (1) by hot stamping; a removal process of irradiating, after the forming step, an oxide film (13) formed on a surface of the galvanized layer (12) with laser light to remove the oxide film (13); and a coating process of performing, after the removal process, a coating treatment on the galvanized steel sheet (1) formed by hot stamping.
    Type: Application
    Filed: November 27, 2014
    Publication date: October 13, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi KAKITA, Kohei HISADA