Patents by Inventor Kazuo Shibahara

Kazuo Shibahara 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
  • Silica shaped bodies and process for preparing same
    Patent number: 4853351
    Abstract: A silica shaped body comprising a multiplicity of interconnected secondary particles of amorphous silica, voids interspersed between the secondary particles, and at least one inorganic inactive substance selected from among carbonaceous substance, carbide, nitride and metallic oxide and physically united with the secondary particles, is prepared by containing a siliceous material, calcareous material and water to a hydrothermal synthesis reaction with heating and stirring under an elevated pressure to obtain an aqueous slurry of secondary particles of calcium silicate crystals, followed by carbonation, shaping and drying.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: August 1, 1989
    Assignee: Kabushiki Kaisha Osaka Packing Seizosho
    Inventors: Akira Takahashi, Kazuo Shibahara, Katsuhiro Morimoto, Hiromasa Samma, Kazuhiko Kubo
  • Shaped body of calcium silicate and process for producing same
    Patent number: 4647499
    Abstract: A calcium silicate shaped body which comprises a multiplicity of interconnected secondary particles of calcium silicate crystals, voids interspersed between the secondary particles, and at least one inorganic inactive substance selected from among carbonaceous substance, carbide, nitride, silicide and metallic oxide which is physically united with the secondary particles, the shaped body containing the inactive substance in an amount of 21 to 70% by weight; and a calcium silicate shaped body which comprises a multiplicity of interconnected secondary particles of calcium silicate crystals, voids interspersed between the secondary particles, and at least one inorganic inactive substance selected from among carbonaceous substance, carbide, nitride, silicide and metal oxide and physically united with the secondary particles, and an amorphous siliceous substance.
    Type: Grant
    Filed: August 27, 1985
    Date of Patent: March 3, 1987
    Assignee: Kabushiki Kaisha Osaka Packing Seizosho
    Inventors: Akira Takahashi, Kazuo Shibahara, Katsuhiro Morimoto, Hiromasa Samma, Kazuhiko Kubo