Patents by Inventor Tetsuya Imazato

Tetsuya Imazato 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).

  • Powdered facing agent
    Patent number: 3993620
    Abstract: A powdered facing agent for use in forming a shell mold, which is composed of a powdered refractory, such as silica, alumina, zircon, silex, magnesia, etc., a novolak type phenol resin, a resol type phenol resin and/or vinyl acetate resin.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: November 23, 1976
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Akio Yamanishi, Tetsuya Imazato