Patents by Inventor Soichi Isogai

Soichi Isogai 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).

  • Metal laminate gasket with continuous bead
    Patent number: 6698765
    Abstract: A metal gasket is formed by a bead plate provided with a continuous bead, and an outer plate partly bent around combustion chamber holes to laminate the metal plates together. The bead has a linear common portion situated in an intermediate area between two cylinder bore holes, curved surrounding portions diverging from the linear common portion near the one second hole to partly surround the cylincder bore and water hole, and a curved linking portion extending between the curved surrounding portions to partly surround the water hole. The water hole is completely surrounded by the parts of the curved surrounding portions and the curved linking portion.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: March 2, 2004
    Assignee: Ishikawa Gasket Co., Ltd.
    Inventor: Soichi Isogai
  • Metal laminate gasket with continuous bead
    Publication number: 20020074737
    Abstract: A metal gasket is formed by a bead plate provided with a continuous bead, and an outer plate partly bent around combustion chamber holes to laminate the metal plates together. The bead has a linear common portion situated in an intermediate area between two cylinder bore holes, curved surrounding portions diverging from the linear common portion near the one second hole to partly surround the cylincder bore and water hole, and a curved linking portion extending between the curved surrounding portions to partly surround the water hole. The water hole is completely surrounded by the parts of the curved surrounding portions and the curved linking portion.
    Type: Application
    Filed: December 13, 2001
    Publication date: June 20, 2002
    Applicant: Ishikawa Gasket Co., Ltd.
    Inventor: Soichi Isogai