Patents by Inventor Tomonori Izutsu

Tomonori Izutsu 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).

  • Gas diffusion electrode equipped ion exchange membrane electrolyzer
    Patent number: 8940139
    Abstract: Provided is a gas diffusion electrode equipped ion exchange membrane electrolyzer including an anode, an ion exchange membrane, and a cathode chamber in which a gas diffusion electrode is disposed, wherein the ion exchange membrane and a cathode chamber inner space in which the gas diffusion electrode is disposed are separated by a liquid retaining member, the outer periphery of the liquid retaining member is held in a void formed in a gasket or a cathode chamber frame constituting the cathode chamber, or the outer periphery and the end face of the outer periphery of the liquid retaining member are sealed, or the outer periphery of the liquid retaining member is joined to and integrated with the gasket.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: January 27, 2015
    Assignees: Chlorine Engineers Corp., Ltd., Toagosei Co., Ltd., Kaneka Corporation
    Inventors: Kiyohito Asaumi, Yukinori Iguchi, Mitsuharu Hamamori, Tomonori Izutsu
  • GAS DIFFUSION ELECTRODE EQUIPPED ION EXCHANGE MEMBRANE ELECTROLYZER
    Publication number: 20120145559
    Abstract: Provided is a gas diffusion electrode equipped ion exchange membrane electrolyzer including an anode, an ion exchange membrane, and a cathode chamber in which a gas diffusion electrode is disposed, wherein the ion exchange membrane and a cathode chamber inner space in which the gas diffusion electrode is disposed are separated by a liquid retaining member, the outer periphery of the liquid retaining member is held in a void formed in a gasket or a cathode chamber frame constituting the cathode chamber, or the outer periphery and the end face of the outer periphery of the liquid retaining member are sealed, or the outer periphery of the liquid retaining member is joined to and integrated with the gasket.
    Type: Application
    Filed: May 24, 2010
    Publication date: June 14, 2012
    Applicants: CHLORINE ENGINEERS CORP., LTD., KANEKA CORPORATION, TOAGOSEI CO., LTD.
    Inventors: Kiyohito Asaumi, Yukinori Iguchi, Mitsuharu Hamamori, Tomonori Izutsu