Patents by Inventor Ryuuta Izumi

Ryuuta Izumi 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: 11279302
    Abstract: A grommet includes a main body that fits into a through hole penetrating an attachment target in an axial direction to waterproof the through hole and that allows a wiring member to be inserted into an inner portion in the axial direction. The main body includes a plate-shaped portion extending in intersecting directions that intersect the axial direction so as to close at least a portion of the through hole, and a sound insulation wall portion having a sound insulation protrusion that protrudes from the plate-shaped portion in the axial direction so as to be formed in an annular or arc shape centered around a central axis in the axial direction.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: March 22, 2022
    Assignees: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryohei Toyoda, Katsuya Yoshimura, Tomoyoshi Katayama, Ryuuta Izumi
  • Publication number: 20200353881
    Abstract: A grommet includes a main body that fits into a through hole penetrating an attachment target in an axial direction to waterproof the through hole and that allows a wiring member to be inserted into an inner portion in the axial direction. The main body includes a plate-shaped portion extending in intersecting directions that intersect the axial direction so as to close at least a portion of the through hole, and a sound insulation wall portion having a sound insulation protrusion that protrudes from the plate-shaped portion in the axial direction so as to be formed in an annular or arc shape centered around a central axis in the axial direction.
    Type: Application
    Filed: May 7, 2020
    Publication date: November 12, 2020
    Inventors: Ryohei Toyoda, Katsuya Yoshimura, Tomoyoshi Katayama, Ryuuta Izumi