Patents by Inventor Masoto Hirooka

Masoto Hirooka 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: 7784829
    Abstract: A gas generator, relating to a gas generator for a side air bag or the like, is provided. The gas generator has an inner cylindrical member is stored in a housing, wherein the inner cylindrical member has a second outside diameter portion abutting against the inner peripheral surface of the housing, and a first outside diameter portion smaller in outside diameter than the second outside diameter portion, the tip end of the first outside diameter portion side abuts against the closed end portion (one end portion) of the housing, the filter is provided on the outside of the inner cylindrical member in the radial direction of the first outside diameter portion, and the ignition means is provided on the opposite end portion (the other end) from the closed end portion of the housing.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: August 31, 2010
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Masoto Hirooka, Naoki Matsuda, Kenji Numoto
  • Publication number: 20080284146
    Abstract: A gas generator, relating to a gas generator for a side air bag or the like, is provided. The gas generator has an inner cylindrical member is stored in a housing, wherein the inner cylindrical member has a second outside diameter portion abutting against the inner peripheral surface of the housing, and a first outside diameter portion smaller in outside diameter than the second outside diameter portion, the tip end of the first outside diameter portion side abuts against the closed end portion (one end portion) of the housing, the filter is provided on the outside of the inner cylindrical member in the radial direction of the first outside diameter portion, and the ignition means is provided on the opposite end portion (the other end) from the closed end portion of the housing.
    Type: Application
    Filed: June 13, 2008
    Publication date: November 20, 2008
    Inventors: Masoto HIROOKA, Naoki MATSUDA, Kenji NUMOTO
  • Patent number: 7404574
    Abstract: A gas generator, relating to a gas generator for a side air bag or the like, is provided. The gas generator has an inner cylindrical member stored in a housing, wherein the inner cylindrical member has a second outside diameter portion abutting against the inner peripheral surface of the housing, and a first outside diameter portion smaller in outside diameter than the second outside diameter portion, the tip end of the first outside diameter portion side abuts against the closed end portion (one end portion) of the housing, the filter is provided on the outside of the inner cylindrical member in the radial direction of the first outside diameter portion, and the ignition means is provided on the opposite end portion (the other end) from the closed end portion of the housing.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: July 29, 2008
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Masoto Hirooka, Naoki Matsuda, Kenji Numoto