Patents by Inventor Dai Fukai

Dai Fukai 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).

  • Cylinder head gasket
    Patent number: 7497442
    Abstract: A cylinder head gasket includes a metal plate having at least one cylinder bore and a plurality of bolt holes arranged around the at least one cylinder bore. A bead is formed on the metal plate to surround the at least one cylinder bore. The bead has at least one pointed shape portion pointed outwardly between two of the bolt holes.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: March 3, 2009
    Assignee: Ishikawa Gasket Co., Ltd.
    Inventor: Dai Fukai
  • Cylinder head gasket
    Publication number: 20060273526
    Abstract: A cylinder head gasket includes a metal plate having at least one cylinder bore and a plurality of bolt holes arranged around the at least one cylinder bore. A bead is formed on the metal plate to surround the at least one cylinder bore. The bead has at least one pointed shape portion pointed outwardly between two of the bolt holes.
    Type: Application
    Filed: June 1, 2006
    Publication date: December 7, 2006
    Applicant: ISHIKAWA GASKET CO., LTD.
    Inventor: Dai Fukai