Patents by Inventor Yutaka MUNEKATA

Yutaka MUNEKATA 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).

  • Seal ring groups
    Patent number: 11493131
    Abstract: Seal ring groups to be assembled with edges of through holes of a gasket includes a plurality of sealing groups. One of the plurality of sealing groups has an inner peripheral shape different from an inner peripheral shape of another of the plurality of sealing groups to distinguish one sealing group from another sealing group.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: November 8, 2022
    Assignee: ISHIKAWA GASKET CO., LTD.
    Inventor: Yutaka Munekata
  • SEAL RING GROUPS
    Publication number: 20210062917
    Abstract: Seal ring groups to be assembled with edges of through holes of a gasket includes a plurality of sealing groups. One of the plurality of sealing groups has an inner peripheral shape different from an inner peripheral shape of another of the plurality of sealing groups to distinguish one sealing group from another sealing group.
    Type: Application
    Filed: July 6, 2020
    Publication date: March 4, 2021
    Inventor: Yutaka MUNEKATA
  • Rubber ring for gasket
    Patent number: 9303587
    Abstract: A rubber ring for a gasket has a first bulging portion composing a seal portion; a second bulging portion composing an attachment portion; and a depressed portion between the first bulging portion and the second bulging portion. The first bulging portion includes a thickest portion carrying out a sealing function, and when the rubber ring is compressed from both sides, the second bulging portion and the depressed portion have a thickness which does not contact with the faces sandwiching the gasket. An end of the metal plate is positioned in a range of the depressed portion between the first bulging portion and the second bulging portion, and between changing points wherein each of slope face, sloping toward the depressed portion from the two bulging portions, changes into a curved surface concaving on an outer side from a curved surface projecting on the outer side.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 5, 2016
    Assignee: ISHIKAWA GASKET CO., LTD.
    Inventor: Yutaka Munekata
  • RUBBER RING FOR GASKET
    Publication number: 20130241156
    Abstract: A rubber ring for a gasket has a first bulging portion composing a seal portion; a second bulging portion composing an attachment portion; and a depressed portion between the first bulging portion and the second bulging portion. The first bulging portion includes a thickest portion carrying out a sealing function, and when the rubber ring is compressed from both sides, the second bulging portion and the depressed portion have a thickness which does not contact with the faces sandwiching the gasket. An end of the metal plate is positioned in a range of the depressed portion between the first bulging portion and the second bulging portion, and between changing points wherein each of slope face, sloping toward the depressed portion from the two bulging portions, changes into a curved surface concaving on an outer side from a curved surface projecting on the outer side.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 19, 2013
    Inventor: Yutaka MUNEKATA