Patents by Inventor Miyako Koga

Miyako Koga 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).

  • Automobile exhaust gas purifying combustion catalysts
    Patent number: 7462576
    Abstract: The present invention provides combustion catalysts that have high exhaust gas-purifying activity and are less expensive than conventional ones. The catalysts include: (1) A calcium salt, amorphous silica, and a copper compound, (2) Amorphous silica, and a copper compound, (3) (1) At least one of crystalline silica and amorphous silica, (2) a calcium salt, and (3) a copper oxide, and (4) (1) At least one of crystalline silica and amorphous silica, and (2) a copper oxide.
    Type: Grant
    Filed: April 19, 2004
    Date of Patent: December 9, 2008
    Assignees: Honda Giken Kogyo Kabushiki Kaisha, Japan Insulation Co., Ltd
    Inventors: Masao Ishida, Tadahisa Masatani, Miyako Koga, Kazuo Shibahara, Kenichi Tsuge
  • Automobile exhaust gas purifying combustion catalysts
    Publication number: 20040228784
    Abstract: The present invention provides combustion catalysts that have high exhaust gas-purifying activity and are less expensive than conventional ones.
    Type: Application
    Filed: April 19, 2004
    Publication date: November 18, 2004
    Applicants: HONDA GIKEN KOGYO KABUSHIKI KAISHA, JAPAN INSULATION CO., LTD.
    Inventors: Masao Ishida, Tadahisa Masatani, Miyako Koga, Kazuo Shibahara, Kenichi Tsuge