Patents by Inventor Tomiaki Hagino

Tomiaki Hagino 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 producing honeycomb structural bodies
    Patent number: 5499913
    Abstract: A device for producing honeycomb structural bodies, including an a extruding die, and a porous plate provided on a side of an inlet of the extruding die for the molding material, The passage resistance of the molding material through the porous plate is varied in a direction orthogonal to an extruding direction of the molding material.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: March 19, 1996
    Assignee: NGK Insulators, Ltd.
    Inventors: Tomiaki Hagino, Mamoru Furuta, Kaname Fukao