Patents by Inventor Nobuo Udagawa

Nobuo Udagawa 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).

  • Vibration-absorbing fire-resisting floor for vehicles, vessels or the like
    Patent number: 4255482
    Abstract: A light-weighted vibration-absorbing and fire-resisting floor for a vehicle comprising three layers; a first layer comprising an epoxy or urethane synthetic resin elastic material, a second layer wherein an aggregate formed by baking fireclay mineral of kaolinite and expansible mineral is coated with the epoxy or urethane elastic synthetic resin, and a third layer composed of a fire-resisting resin mortar, and three such layers being integrally coated one over another.
    Type: Grant
    Filed: July 5, 1978
    Date of Patent: March 10, 1981
    Assignee: Takara Kenzai Seisakusho & Co.
    Inventor: Nobuo Udagawa