Patents by Inventor Ikkoh Ueta

Ikkoh Ueta 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).

  • Patent number: 5280928
    Abstract: A metallic gasket according to the present invention includes two base plates made of an elastic material. One base plate is provided with an array of beads in association with an odd-numbered combustion chamber bore, only one end segments of which are provided with stoppers, while the other base plate is provided with an array of beads in association with an even-numbered combustion chamber bore, only one end segments of which are provided with stoppers. The base plates are then antisymmetrically laminated together.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: January 25, 1994
    Assignee: Nihon Metal Gasket Co., Ltd.
    Inventors: Kosaku Ueta, Ikkoh Ueta
  • Patent number: 5197747
    Abstract: A metallic gasket for multi-cylindered arrangements includes two base plates formed of a resilient metal, each having an array of beads on the peripheral edge of an opening provided for a combustion chamber. One of said base plates is provided with an array of arched beads which are associated with an odd-numbered cylinder and displaced from the center of an inter-cylinder space in a given direction to define flat segments on which stoppers are located, and the other base plate is provided with an array of arched beads which are associated with an even-numbered cylinder and displaced from the center of the inter-cylinder space in a direction opposite to the first-mentioned given direction to define flat segments on which stoppers are located. The base plates being laminated antisymmetrically with respect to each other.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: March 30, 1993
    Assignee: Nihon Metal Gasket Co., Ltd.
    Inventors: Kosaku Ueta, Ikkoh Ueta