Patents by Inventor Hidekazu Sahara

Hidekazu Sahara 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).

  • Device for molding and method for molding metal plate
    Patent number: 9630229
    Abstract: A protruding portion is formed in a metal plate material by use of a plurality of molding tools each of which has a die and a punch. In a first step, an initial protruding portion is formed in the metal plate material by use of a first molding tool. In this step, a top of the initial protruding portion is formed to be thinner than other parts. In a second step, a sidewall of the initial protruding portion is rolled out by use of a second molding tool, and the protruding portion is formed.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: April 25, 2017
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Kazuyuki Hirata, Takuma Watanabe, Hidekazu Sahara
  • DEVICE FOR MOLDING AND METHOD FOR MOLDING METAL PLATE
    Publication number: 20150290692
    Abstract: A protruding portion is formed in a metal plate material by use of a plurality of molding tools each of which has a die and a punch. In a first step, an initial protruding portion is formed in the metal plate material by use of a first molding tool. In this step, a top of the initial protruding portion is formed to be thinner than other parts. In a second step, a sidewall of the initial protruding portion is rolled out by use of a second molding tool, and the protruding portion is formed.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 15, 2015
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Kazuyuki Hirata, Takuma Watanabe, Hidekazu Sahara