Patents by Inventor Yuki Kooda

Yuki Kooda 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).

  • Thermoplastic resin composition, molding made of the thermoplastic resin composition and process of manufacturing the molding
    Patent number: 6906139
    Abstract: A molding made of a thermoplastic resin composition that comprises a thermoplastic resin component and an elastomer component partly blending in with each other is continuously heated at a temperature higher than 120° C. but lower than a melting point of each of the two components for at least one hour so as thereby to cause the thermoplastic resin component to separate and precipitate in the elastomer component.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: June 14, 2005
    Assignee: Mazda Motor Corporation
    Inventors: Yushi Matsuda, Masao Hara, Kenichi Yamamoto, Yuki Kooda
  • Thermoplastic resin composition molding made of the thermoplastic resin composition and process of manufacturing the molding
    Publication number: 20040162393
    Abstract: A molding made of a thermoplastic resin composition that comprises a thermoplastic resin component and an elastomer component partly blending in with each other is continuously heated at a temperature higher than 120° C. but lower than a melting point of each of the two components for at least one hour so as thereby to cause the thermoplastic resin component to separate and precipitate in the elastomer component.
    Type: Application
    Filed: September 26, 2002
    Publication date: August 19, 2004
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yushi Matsuda, Masao Hara, Kenichi Yamamoto, Yuki Kooda
  • Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst
    Patent number: 6562753
    Abstract: A catalyst for lowering NOx concentration in an exhaust gas is disposed in an exhaust gas passage of an engine. The catalyst composed of a catalyst layer formed on a substrate. A NOx absorber that absorbs NOx when an oxygen concentration in the exhaust gas is high and releases NOx when the oxygen concentration drops, and a precious metal for reducing NOx are supported on a support material as catalyst components, and the NOx absorber includes Ba, K, Sr, and Mg. By lowering the oxygen concentration in the exhaust gas and raising a temperature of the NOx absorber when sulfur component is absorbed excessively in the NOx absorber, it is possible to regenerate the catalyst from the S poisoning.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: May 13, 2003
    Assignee: Madza Motor Corporation
    Inventors: Seiji Miyoshi, Akihide Takami, Makoto Kyougoku, Hiroshi Yamada, Kenji Okamoto, Kenichi Yamamoto, Yuki Kooda
  • Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst
    Publication number: 20020141908
    Abstract: A catalyst (25) for lowering NOx concentration in an exhaust gas is disposed in an exhaust gas passage (22) of an engine (1). The catalyst (25) is composed of a catalyst layer (25b) formed on a substrate (25a). A NOx absorber that absorbs NOx when an oxygen concentration in the exhaust gas is high and releases NOx when the oxygen concentration drops, and a precious metal for reducing NOx are supported on a support material as catalyst components, and the NOx absorber includes Ba, K, Sr, and Mg. By lowering the oxygen concentration in the exhaust gas and raising a temperature of the NOx absorber when sulfur component is absorbed excessively in the NOx absorber, it is possible to regenerate the catalyst from the S poisoning.
    Type: Application
    Filed: October 22, 2001
    Publication date: October 3, 2002
    Inventors: Seiji Miyoshi, Akihide Takami, Makoto Kyougoku, Hiroshi Yamada, Kenji Okamoto, Kenichi Yamamoto, Yuki Kooda