Patents by Inventor Unji Ito

Unji Ito 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 structure
    Patent number: 6543788
    Abstract: A seal structure between a first member that has a recessed section and a second member that has a protruding section on its rear surface and is provided on its front surface with an elastomer covering layer so that the protruding section is inserted into the recessed section. The second member is provided with a through-hole that passes through the second member and is formed in positions located at a circumferential edge of the protruding section of the second member. The second member is further provided with a tubular covering layer of an elastomer, the tubular covering layer being formed on the outer circumference of the protruding section so that the tubular cover layer is continuous of the covering formed on the front surface of the second member via the through-hole.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: April 8, 2003
    Assignee: Izumi Products Company
    Inventor: Unji Ito
  • Seal structure
    Publication number: 20010050463
    Abstract: A seal structure between a first member that has a recessed section and a second member that has a protruding section on its rear surface and is provided on its front surface with an elastomer covering layer so that the protruding section is inserted into the recessed section. The second member is provided with a through-hole that passes through the second member and is formed in positions located at a circumferential edge of the protruding section of the second member. The second member is further provided with a tubular covering layer of an elastomer, the tubular covering layer being formed on the outer circumference of the protruding section so that the tubular cover layer is continuous of the covering formed on the front surface of the second member via the through-hole.
    Type: Application
    Filed: June 13, 2001
    Publication date: December 13, 2001
    Applicant: IZUMI PRODUCTS COMPANY
    Inventor: Unji Ito