Patents by Inventor Katsuya HABU

Katsuya HABU 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: 9102303
    Abstract: A gas generator includes: a pressurized gas chamber formed by a cylindrical pressurized gas chamber housing filled with a pressurized gas; a combustion chamber connected to a first end portion of the pressurized gas chamber and including an ignition device and a gas generating agent therein, a diffuser portion connected to a second end portion of the pressurized gas chamber and provided with a gas discharge port; a first rupturable plate blocking a first communication passage between the pressurized gas chamber and the combustion chamber; a second rupturable plate blocking a second communication passage between the pressurized gas chamber and the diffuser portion; and a filter disposed and positioned in the pressurized gas chamber to cover the second rupturable plate, allowing, during actuation, the combustion gas from the combustion chamber and the pressurized gas to pass therethrough and be discharged therefrom in response to rupturing the second rupturable plate.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: August 11, 2015
    Assignee: DAICEL CORPORATION
    Inventors: Masakazu Tokuda, Tomoharu Kobayashi, Masayuki Yamazaki, Kenji Fukumoto, Katsuya Habu
  • Publication number: 20140239623
    Abstract: A gas generator includes: a pressurized gas chamber formed by a cylindrical pressurized gas chamber housing filled with a pressurized gas; a combustion chamber connected to a first end portion of the pressurized gas chamber and including an ignition device and a gas generating agent therein, a diffuser portion connected to a second end portion of the pressurized gas chamber and provided with a gas discharge port; a first rupturable plate blocking a first communication passage between the pressurized gas chamber and the combustion chamber; a second rupturable plate blocking a second communication passage between the pressurized gas chamber and the diffuser portion; and a filter disposed and positioned in the pressurized gas chamber to cover the second rupturable plate, allowing, during actuation, the combustion gas from the combustion chamber and the pressurized gas to pass therethrough and be discharged therefrom in response to rupturing the second rupturable plate.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: Daicel Corporation
    Inventors: Masakazu TOKUDA, Tomoharu KOBAYASHI, Masayuki YAMAZAKI, Kenji FUKUMOTO, Katsuya HABU