Patents by Inventor Tetsuo Ozeki

Tetsuo Ozeki 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: 6881333
    Abstract: A water purifier is composed of a valve main body and a filtration portion, which are coupled to each other in an attachable and detachable manner at the main body side coupling portion and the filtration portion side coupling portion. Consequently, the water purifier filtration portion can be connected to the water purifier main body in a single step with ease in a secure manner, and at the same time, the water purifier filtration portion will not fall off easily even when water with a high water pressure flows in. Also, the water purifier is provided with a concave portion and a sensor packing formed as an integral portion of the concave portion and protruding toward an indicator portion on a wall surface of a cartridge. The indicator portion is provided with a conductive member at a position where it is brought into contact with a first input portion by a water pressure and thereby closes an electric circuit on a circuit board.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: April 19, 2005
    Assignee: Osaka Gas Chemicals Co., Ltd.
    Inventors: Tetsuo Ozeki, Hiroto Yuasa, Kazuaki Otsuki
  • Publication number: 20020134714
    Abstract: A water purifier is composed of a valve main body and a filtration portion, which are coupled to each other in an attachable and detachable manner at the main body side coupling portion and the filtration portion side coupling portion. Consequently, the water purifier filtration portion can be connected to the water purifier main body in a single step with ease in a secure manner, and at the same time, the water purifier filtration portion will not fall off easily even when water with a high water pressure flows in. Also, the water purifier is provided with a concave portion and a sensor packing formed as an integral portion of the concave portion and protruding toward an indicator portion on a wall surface of a cartridge. The indicator portion is provided with a conductive member at a position where it is brought into contact with a first input portion by a water pressure and thereby closes an electric circuit on a circuit board.
    Type: Application
    Filed: March 18, 2002
    Publication date: September 26, 2002
    Applicant: OSAKA GAS CHEMICALS CO. LTD.
    Inventors: Tetsuo Ozeki, Hiroto Yuasa, Kazuaki Otsuki