Patents by Inventor Katsuhiko Kanaizuka

Katsuhiko Kanaizuka 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).

  • Patent number: 9039935
    Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(R2), wherein each R1 independently represents an organic group having a substituent; and R2 represents a hydrogen atom or a substituted or unsubstituted C1-C30 hydrocarbon group. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: May 26, 2015
    Assignee: Japan Science and Technology Agency
    Inventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
  • Patent number: 8304643
    Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(MLn), wherein: each R1 independently represents an organic group having a substituent; M represents a metal atom; L is a ligand of M; and n is the number of Ls. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: November 6, 2012
    Assignee: Japan Science and Technology Agency
    Inventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
  • Publication number: 20090194158
    Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(R2), wherein each R1 independently represents an organic group having a substituent; and R2 represents a hydrogen atom or a substituted or unsubstitutedC1-C30 hydrocarbon group. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.
    Type: Application
    Filed: May 2, 2007
    Publication date: August 6, 2009
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
  • Publication number: 20090101200
    Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(MLn), wherein: each R1 independently represents an organic group having a substituent; M represents a metal atom; L is a ligand of M; and n is the number of Ls. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.
    Type: Application
    Filed: May 2, 2007
    Publication date: April 23, 2009
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka