Patents by Inventor Tsuyoshi Katagiri

Tsuyoshi Katagiri 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).

  • Dielectric barrier discharge lamp and lamp unit
    Patent number: 8686639
    Abstract: A dielectric barrier discharge lamp is described, including a discharge tube having an elongated shape and enclosing a discharge gas therein, and a pair of electrodes. A portion of an outer peripheral surface of the discharge tube in a longitudinal direction of the discharge tube is defined as a light extraction area for extracting light induced in the discharge tube to an outside. The pair of the electrodes are placed on the outer peripheral surface such that the light extraction area is positioned between the pair of the electrodes in a peripheral direction of the outer peripheral surface of the discharge tube.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: April 1, 2014
    Assignee: GS Yuasa International Ltd.
    Inventors: Kazuya Hatase, Tsuyoshi Katagiri, Koji Hosotani
  • DIELECTRIC BARRIER DISCHARGE LAMP AND LAMP UNIT
    Publication number: 20120319578
    Abstract: A dielectric barrier discharge lamp is described, including a discharge tube having an elongated shape and enclosing a discharge gas therein, and a pair of electrodes. A portion of an outer peripheral surface of the discharge tube in a longitudinal direction of the discharge tube is defined as a light extraction area for extracting light induced in the discharge tube to an outside. The pair of the electrodes are placed on the outer peripheral surface such that the light extraction area is positioned between the pair of the electrodes in a peripheral direction of the outer peripheral surface of the discharge tube.
    Type: Application
    Filed: March 8, 2011
    Publication date: December 20, 2012
    Applicant: GS YUASA INTERNATIONAL LTD.
    Inventors: Kazuya Hatase, Tsuyoshi Katagiri, Koji Hosotani