Patents by Inventor Takazi Kumazawa

Takazi Kumazawa 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).

  • Method for producing honeycomb-shaped metal moldings
    Patent number: 4582677
    Abstract: Method for producing molded metallic honeycomb structures of high physical strength and porosity, the method comprising forming a honeycomb structure by extruding through a die a kneaded mixture of a metal powder and a binder capable of forming a supporting bone structure for the metal powder upon application of heat, and, after drying, sintering the honeycomb structure.
    Type: Grant
    Filed: September 22, 1981
    Date of Patent: April 15, 1986
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Morihiko Sugino, Kouichi Kobayashi, Mitsunobu Nikaido, Takazi Kumazawa, Eiji Saura