Patents by Inventor Yuichiro Kumakura

Yuichiro Kumakura 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: 7434814
    Abstract: A waterproof grommet, includes an elastic grommet body which is provided with a flange portion to be mounted to a panel; an annular wall which is provided on a first face of the flange portion; a lip portion which is provided on a second face of the flange portion, the second face being opposed to the first face; an annular reinforcing portion which is provided on the second face of the flange portion, and disposed inwardly of the lip portion; and a plurality of wire-passage tubular portions which are provided on the reinforcing portion through respective flexible portions, and are disposed within the annular wall. Proximal ends of the tubular portions are interconnected at a thick wall through the flexible portions. The reinforcing portion is adapted to be inserted into a panel hole of the panel.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: October 14, 2008
    Assignee: Yazaki Corporation
    Inventors: Yuichiro Kumakura, Yoshihiko Nakahama, Takanori Kawai
  • Publication number: 20070143956
    Abstract: A waterproof grommet, includes an elastic grommet body which is provided with a flange portion to be mounted to a panel; an annular wall which is provided on a first face of the flange portion; a lip portion which is provided on a second face of the flange portion, the second face being opposed to the first face; an annular reinforcing portion which is provided on the second face of the flange portion, and disposed inwardly of the lip portion; and a plurality of wire-passage tubular portions which are provided on the reinforcing portion through respective flexible portions, and are disposed within the annular wall. Proximal ends of the tubular portions are interconnected at a thick wall through the flexible portions. The reinforcing portion is adapted to be inserted into a panel hole of the panel.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 28, 2007
    Applicant: YAZAKI CORPORATION
    Inventors: Yuichiro Kumakura, Yoshihiko Nakahama, Takanori Kawai