Patents by Inventor Taketoshi Minami

Taketoshi Minami 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).

  • Press molding die and manufacturing method of same
    Patent number: 7340934
    Abstract: A press molding die capable of preventing a workpiece from moving is provided. The press molding die includes a punch for pressing a workpiece; a molding die having a molding surface on which the workpiece is placed and a concave portion which is formed on the molding surface and which has a shape corresponding to the punch; a pad for pressing a part of the workpiece placed on the molding surface and which is on the periphery of the concave portion; and a micro-rough layer which is formed by performing a particulate coating process on at least one of a portion of the pad, for pressing the workpiece, and a portion of the molding surface, corresponding to the portion of the pad. Preferably, the height of roughness of the micro-rough layer is 0.01 to 0.06 mm, and the particulate coating process is performed using a silicofluoric chrome plating solution.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: March 11, 2008
    Assignees: Toyota Jidosha Kabushiki Kaisha, Teikoku Kuromu Co., Ltd.
    Inventors: Takanori Kurokawa, Kazuo Fukaya, Takahiro Ichikawa, Takashige Yoneda, Taketoshi Minami
  • Press molding die and manufacturing method of same
    Publication number: 20040194527
    Abstract: A press molding die capable of preventing a workpiece from moving is provided. The press molding die includes a punch for pressing a workpiece; a molding die having a molding surface on which the workpiece is placed and a concave portion which is formed on the molding surface and which has a shape corresponding to the punch; a pad for pressing a part of the workpiece placed on the molding surface and which is on the periphery of the concave portion; and a micro-rough layer which is formed by performing a particulate coating process on at least one of a portion of the pad, for pressing the workpiece, and a portion of the molding surface, corresponding to the portion of the pad. Preferably, the height of roughness of the micro-rough layer is 0.01 to 0.06 mm, and the particulate coating process is performed using a silicofluoric chrome plating solution.
    Type: Application
    Filed: March 18, 2004
    Publication date: October 7, 2004
    Applicants: Toyota Jidosha Kabushiki Kaisha, Teikoku Kuromu Co., Ltd.
    Inventors: Takanori Kurokawa, Kazuo Fukaya, Takahiro Ichikawa, Takashige Yoneda, Taketoshi Minami