Patents by Inventor Katsushige Yamamoto

Katsushige Yamamoto 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: 10888919
    Abstract: A core forming device is equipped with a kneading tank in which raw materials of a core are kneaded, a raw material supply unit that supplies the raw materials to the kneading tank, a mold that accommodates a kneaded material including the raw materials kneaded in the kneading tank and that forms the core, a piston that injects the kneaded material into the mold, a position sensor that detects a position of the piston, and a control unit that controls a supply amount of the raw materials supplied to the kneading tank from the raw material supply unit. The control unit determines the supply amount of the raw materials based on a difference between the position of the piston upon completion of injection and a reference position of the piston.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: January 12, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Sintokogio, Ltd.
    Inventors: Katsutoshi Okumura, Hirotsune Watanabe, Shogo Izumi, Hirotaka Kurita, Katsushige Yamamoto
  • Publication number: 20190283119
    Abstract: A core forming device is equipped with a kneading tank in which raw materials of a core are kneaded, a raw material supply unit that supplies the raw materials to the kneading tank, a mold that accommodates a kneaded material including the raw materials kneaded in the kneading tank and that forms the core, a piston that injects the kneaded material into the mold, a position sensor that detects a position of the piston, and a control unit that controls a supply amount of the raw materials supplied to the kneading tank from the raw material supply unit. The control unit determines the supply amount of the raw materials based on a difference between the position of the piston upon completion of injection and a reference position of the piston.
    Type: Application
    Filed: October 13, 2017
    Publication date: September 19, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Sintokogio, Ltd.
    Inventors: Katsutoshi OKUMURA, Hirotsune WATANABE, Shogo IZUMI, Hirotaka KURITA, Katsushige YAMAMOTO
  • Patent number: D817347
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: May 8, 2018
    Assignee: SINTOKOGIO, LTD.
    Inventors: Toshiyuki Ishikawa, Katsushige Yamamoto, Norihiro Hirata, Yoshihiko Ogi, Satoru Nagami, Toshinori Ito
  • Patent number: D817348
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: May 8, 2018
    Assignee: SINTOKOGIO, LTD.
    Inventors: Toshiyuki Ishikawa, Katsushige Yamamoto, Norihiro Hirata, Yoshihiko Ogi, Satoru Nagami, Toshinori Ito