Patents by Inventor Tokuhiro Matsunaga

Tokuhiro Matsunaga 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).

  • Publication number: 20020095969
    Abstract: A press die comprises an upper die and a lower die each including a molding surface and a die main body; at least one first guide post attached to at least one of the die main bodies of the upper die and the lower die from its molding surface side; and at least one product pressing member mounted to the die main body to which the first guide post is attached so as to be slidable along the first guide post, at least one first guide hole into which the first guide post is to be inserted being formed in the product pressing member from its molding surface side. The die main body and the product pressing member mounted to the die main body undergo an alignment for each other through the first guide post.
    Type: Application
    Filed: December 6, 2001
    Publication date: July 25, 2002
    Applicant: Kabushiki Kaisha Toyota Jidoshokki
    Inventor: Tokuhiro Matsunaga
  • Publication number: 20020095968
    Abstract: A press die comprises an upper die and a lower die each including a die main body; at least one first guide post projected on one of the die main bodies of the upper die and the lower die; and a first product pressing member mounted on the one of the die main bodies so as to be slidable along a middle portion of the first guide post, at least one guide through hole through which a middle portion of the first guide post penetrates being formed in the first product pressing member. The die main bodies of both the upper die and the lower die and the first product pressing member undergo an alignment for each other through the first guide post by inserting a tip portion of the first guide post into a first guide hole formed on the other one of the die main bodies of the upper die and the lower die.
    Type: Application
    Filed: December 6, 2001
    Publication date: July 25, 2002
    Applicant: Kabushiki Kaisha Toyota Jidoshokki.
    Inventor: Tokuhiro Matsunaga