Patents by Inventor Michihiro Hori

Michihiro Hori 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).

  • Coolant composition for fuel cell
    Patent number: 7670498
    Abstract: The present invention relates to a coolant composition for fuel cell coolant, comprised of sulfur containing alcohol or sulfur containing phenol having at least one sulfur atom per molecule, which effectively prevents increase of electric conductivity due to oxidation of its base component for a long time. The coolant composition when diluted with water to a predetermined concentration effectively suppresses increase of electric conductivity of the coolant and maintain fluctuation of electric conductivity within the range from 0 to 10 ?S/cm so that power generation efficiency of the fuel cell may not be lowered.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: March 2, 2010
    Assignees: Honda Motor Co., Ltd., Shishiai-Kabushikigaisha
    Inventors: Michihiro Hori, Hiroshi Egawa, Hidemi Kado, Tsuyumi Takashiba, Shiro Yagawa
  • Antifreeze/coolant composition
    Patent number: 7540974
    Abstract: An antifreeze/coolant composition, comprising a) a base material such as water, alcohol, glycol and glycol ether; b) a fluorine compound and c) an inorganic acid.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: June 2, 2009
    Assignees: Honda R&D Co, Ltd., Shishiai-Kabushikigaisha
    Inventors: Hiroshi Egawa, Michihiro Hori, Hidemi Kado, Yoshiyuki Morita, Mitsuru Osawa, Ayako Omori
  • COOLANT COMPOSITION FOR FUEL CELL
    Publication number: 20080251756
    Abstract: The present invention relates to a coolant composition for fuel cell coolant, comprised of sulfur containing alcohol or sulfur containing phenol having at least one sulfur atom per molecule, which effectively prevents increase of electric conductivity due to oxidation of its base component for a long time. The coolant composition when diluted with water to a predetermined concentration effectively suppresses increase of electric conductivity of the coolant and maintain fluctuation of electric conductivity within the range from 0 to 10 ?S/cm so that power generation efficiency of the fuel cell may not be lowered.
    Type: Application
    Filed: August 28, 2007
    Publication date: October 16, 2008
    Applicant: SHISHIAI-KABUSHIKIGAISHA
    Inventors: Michihiro Hori, Hiroshi Egawa, Hidemi Kado
  • Antifreeze/coolant composition
    Publication number: 20080035880
    Abstract: An antifreeze/coolant composition, comprising a) a base material such as water, alcohol, glycol and glycol ether; b) a fluorine compound and c) an inorganic acid.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 14, 2008
    Inventors: Hiroshi Egawa, Michihiro Hori, Hidemi Kado, Yoshiyuki Morita, Mitsuru Osawa, Ayako Omori
  • Low P type coolant composition
    Patent number: 6508951
    Abstract: A glycol-based coolant composition which provides an excellent metal corrosion inhibition despite its low phosphorus content is disclosed. The glycol-based coolant composition contains: (A) 0.1-5.0% by weight of at least one ingredient selected from group A′ consisting of C6-C12 aliphatic dibasic acids and their alkali metal salts; (B) 0.1-10% by weight of at least one ingredient selected from group B′ consisting of alkyl benzoic acids and their alkali metal salts; (C) 0.001-0.1% by weight of at least one ingredient selected from group C′ consisting of strontium compounds and their alkali metal salts; and (D) 0.1-0.3% by weight of at least one ingredient selected from group D′ consisting of phosphoric acids and their alkali metal salts.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: January 21, 2003
    Assignees: CCI Kabushiki Kaisha, Honda Giken Kogyo
    Inventors: Yasuaki Mori, Michihiro Hori, Mitsuru Osawa, Takashi Nagashima