Patents by Inventor Takahito Katsuura

Takahito Katsuura 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).

  • Resin case in which gas-permeability and waterproof quality are compatible, and die for manufacturing such case
    Patent number: 7442334
    Abstract: A through hole (50) with an annular groove (52) provided about its periphery is formed in a resin case (10). The through hole (50) is covered with a water/oil-repellent film (40) comprising a porous film (44). The through hole (50) makes the resin case (10) gas-permeable, and the water/oil-repellent film (40) prevents entry of external water and oil, etc.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: October 28, 2008
    Assignee: Tokai Kogyo Co., Ltd.
    Inventors: Kouichi Hara, Atsushi Fukunishi, Takahito Katsuura
  • Resin case in which gas-permeability and waterproof quality are compatible, and die for manufacturing such case
    Publication number: 20050046081
    Abstract: A through hole (50) with an annular groove (52) provided about its periphery is formed in a resin case (10). The through hole (50) is covered with a water/oil-repellent film (40) comprising a porous film (44). The through hole (50) makes the resin case (10) gas-permeable, and the water/oil-repellent film (40) prevents entry of external water and oil, etc.
    Type: Application
    Filed: October 12, 2004
    Publication date: March 3, 2005
    Applicant: Tokai Koygo Co., Ltd.
    Inventors: Kouichi Hara, Atsushi Fukunishi, Takahito Katsuura
  • Resin case providing compatibility between air permeability and water proofing property, and mold for producing such case
    Patent number: 6827232
    Abstract: A through hole (50) with an annular groove (52) provided about its periphery is formed in a resin case (10). The through hole (10) is covered with a water/oil-repellent film (40) comprising a porous film (44). The through hole (50) makes the resin case (10) gas-permeable, and the water/oil-replacement film (40) prevents entry of external water and oil, etc.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: December 7, 2004
    Assignee: Tokai Kogyo Co., Ltd.
    Inventors: Kouichi Hara, Atsushi Fukunishi, Takahito Katsuura