Patents by Inventor Eishiro Toyoda

Eishiro Toyoda 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).

  • Solid polymer electrolyte, solid polymer fuel cell and method for manufacturing the fuel cell
    Patent number: 7879475
    Abstract: Disclosed herein is a solid polymer electrolyte wherein protons of cation exchange groups contained in a perfluorinated electrolyte are partially replaced by metal ions. The metal ion is at least one metal ion selected from vanadium (V), manganese (Mn), niobium (Nb), tantalum (Ta), chromium (Cr), molybdenum (Mo), tungsten (W), iron (Fe), ruthenium (Ru), nickel (Ni), palladium (Pd), platinum (Pt), silver (Ag), cerium (Ce), neodymium (Nd), praseodymium (Pr), samarium (Sm), cobalt (Co), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), and erbium (Er) ions. Further disclosed is a solid polymer fuel cell using the solid polymer electrolyte.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: February 1, 2011
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Eishiro Toyoda, Tomohiro Takeshita, Fusayoshi Miura, Masaya Kawasumi, Naoki Hasegawa, Yu Morimoto, Manabu Kato, Kazutaka Kimura
  • Solid polymer electrolyte, solid polymer fuel cell and method for manufacturing the fuel cell
    Publication number: 20060280985
    Abstract: Disclosed herein is a solid polymer electrolyte wherein protons of cation exchange groups contained in a perfluorinated electrolyte are partially replaced by metal ions. The metal ion is at least one metal ion selected from vanadium (V), manganese (Mn), niobium (Nb), tantalum (Ta), chromium (Cr), molybdenum (Mo), tungsten (W), iron (Fe), ruthenium (Ru), nickel (Ni), palladium (Pd), platinum (Pt), silver (Ag), cerium (Ce), neodymium (Nd), praseodymium (Pr), samarium (Sm), cobalt (Co), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), and erbium (Er) ions. Further disclosed is a solid polymer fuel cell using the solid polymer electrolyte.
    Type: Application
    Filed: May 26, 2006
    Publication date: December 14, 2006
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Eishiro Toyoda, Tomohiro Takeshita, Fusayoshi Miura, Masaya Kawasumi, Naoki Hasegawa, Yu Morimoto, Manabu Kato, Kazutaka Kimura