Patents by Inventor Takafumi MATSUI

Takafumi MATSUI 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: 11933762
    Abstract: A metal structure evaluator for rolled steel sheets includes: a magnetic property measuring unit configured to measure a magnetic property of an evaluation target point in at least two or more different magnetization directions by performing, in the at least two or more different magnetization directions, processing of: applying a magnetic field on a surface of a rolled steel sheet in one direction; and measuring a magnetic property of the evaluation target point on the surface of the rolled steel sheet; and a determination unit configured to determine a metal structure of the evaluation target point based on the magnetic property measured by the magnetic property measuring unit.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 19, 2024
    Assignee: JFE STEEL CORPORATION
    Inventors: Takafumi Ozeki, Yutaka Matsui, Kenji Adachi, Junji Shimamura
  • Patent number: 11090846
    Abstract: A method for manufacturing a decorative molding in which a transfer layer is transferred onto an injection molded product from a transfer sheet simultaneously with performing of injection molding in which at least one knockout pin in a second half-mold is caused to retreat to clamp a first half-mold and the second half-mold together; and the at least one knockout pin is made to advance so that the first half-mold and the second half-mold are released from each other until the second half-mold and the first half-mold open to a predetermined interval, while the transfer layer in a non-transfer area that is to remain on the transfer sheet is pushed against the first half-mold.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 17, 2021
    Assignee: NISSHA CO., LTD.
    Inventors: Takafumi Taniguchi, Tatsuya Nakanishi, Takafumi Matsui
  • Publication number: 20180370100
    Abstract: A method for manufacturing a decorative molding in which a transfer layer is transferred onto an injection molded product from a transfer sheet simultaneously with performing of injection molding in which at least one knockout pin in a second half-mold is caused to retreat to clamp a first half-mold and the second half-mold together; and the at least one knockout pin is made to advance so that the first half-mold and the second half-mold are released from each other until the second half-mold and the first half-mold open to a predetermined interval, while the transfer layer in a non-transfer area that is to remain on the transfer sheet is pushed against the first half-mold.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 27, 2018
    Inventors: Takafumi TANIGUCHI, Tatsuya NAKANISHI, Takafumi MATSUI
  • Patent number: 10124518
    Abstract: A method for manufacturing a decorative molded article includes first to fourth steps. In the first step, a plastic sheet is secured to a cavity block in a state in which first and second portions are arranged along an open end of a molding recess. The plastic sheet is tightly held by the cavity block and a securing member at the first portions and is not tightly held at the second portions. In the second step, the plastic sheet is deformed. In the third step, the plastic sheet is secured to the cavity block in a state in which the plastic sheet is tightly held by the cavity block and the securing member over the entire periphery of the opening of the molding recess. In the fourth step, the plastic sheet is molded by being caused to closely contact the molding surface of the cavity block through vacuum suction.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: November 13, 2018
    Assignees: TOYODA GOSEI CO., LTD., NISSHA PRINTING CO., LTD.
    Inventors: Tatsuo Ito, Takafumi Matsui
  • Publication number: 20170072607
    Abstract: A method for manufacturing a decorative molded article includes first to fourth steps. In the first step, a plastic sheet is secured to a cavity block in a state in which first and second portions are arranged along an open end of a molding recess. The plastic sheet is tightly held by the cavity block and a securing member at the first portions and is not tightly held at the second portions. In the second step, the plastic sheet is deformed. In the third step, the plastic sheet is secured to the cavity block in a state in which the plastic sheet is tightly held by the cavity block and the securing member over the entire periphery of the opening of the molding recess. In the fourth step, the plastic sheet is molded by being caused to closely contact the molding surface of the cavity block through vacuum suction.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 16, 2017
    Inventors: Tatsuo ITO, Takafumi MATSUI