Patents by Inventor Tatsuhito Tanaka

Tatsuhito Tanaka 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).

  • Gasket
    Patent number: 6769697
    Abstract: There is provided a gasket comprising a sealing portion and a deformation stopper portion. When the gasket is placed between adjacent surfaces to be sealed of two objects, the sealing portion is engaged by the adjacent surfaces. The deformation stopper portion is engaged by the adjacent surfaces of the objects when the sealing portion has been deformed by a predetermined amount by the adjacent surfaces, thereby preventing excessive deformation of the sealing portion.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: August 3, 2004
    Assignees: Ace Inc., Motoyama Eng. Works, Ltd., TFC Corporation, Isono Mfg. Inc.
    Inventors: Koichi Ishikawa, Osamu Uchisawa, Toshikatsu Meguro, Hideo Tsukazaki, Tatsuhito Tanaka