Patents by Inventor Jorge K. Tanigami

Jorge K. Tanigami 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).

  • Head for two piece articulated piston
    Patent number: 5588351
    Abstract: A two-piece, or articulated, piston head for internal combustion engines having top and pin boss portions in which the underside of the top portion is provided with a groove whose inner wall is eccentric in relation to the longitudinal axis; of the top and the upper side of the top portion is provided with a combustion bowl eccentric in relation to the top portion longitudinal axis and concentric with the inner wall of the groove on the underside of the top portion.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: December 31, 1996
    Assignee: Metal Leve S/A Industria E Comercio
    Inventors: Andre Lippai, Jorge K. Tanigami, Paulo T. Dellanoce
  • Method of manufacturing a two piece piston
    Patent number: 5245752
    Abstract: A two-piece, or articulated, piston head for internal combustion engines and the method for obtaining same. The top and pin boss portions composing the head are obtained separately from blanks; the underside of the top portion is provided with a groove whose inner wall is eccentric in relation to the top longitudinal axis; the two portions are joined together by welding; the upper side of the top portion is provided with a combustion bowl eccentric in relation to the top portion longitudinal axis and concentric with the inner wall of the groove on the underside of the top portion.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: September 21, 1993
    Assignee: Metal Leve S/A Industria e Comercio
    Inventors: Andre Lippai, Jorge K. Tanigami, Paulo T. Dellanoce