Patents by Inventor Sanetoshi Tabata

Sanetoshi Tabata 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).

  • Process for producing metal composite material
    Patent number: 4046304
    Abstract: A metal composite material having an aluminium surface layer firmly bonded on a substrate material consisting of a metal other than aluminium is produced by cold pressure bonding the metal substrate material to an aluminium foil superimposed thereon, subjecting the bonded material to a diffusion heat treatment at a temperature lower than the melting points of both the aluminium foil and the substrate material and, if desired, hot pressure bonding the bonded material to an aluminium material superimposed on the aluminium foil layer of the bonded material at a temperature lower than the melting point but not lower than the recrystallizing point of the aluminium material.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: September 6, 1977
    Assignee: Teikoku Piston Ring Co., Ltd.
    Inventors: Sanetoshi Tabata, Toshiaki Takeuchi