Patents by Inventor Chiho Yokoe

Chiho Yokoe 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).

  • Organic solar cell and its production process
    Publication number: 20050039792
    Abstract: An object of the present invention is to enhance the photoelectric conversion performance to more than the limit possessed by prior organic solar cells in arts of organic solar cells in which an organic semiconductor layer is constituted by at least two material layers.
    Type: Application
    Filed: August 11, 2004
    Publication date: February 24, 2005
    Inventors: Kohshin Takahashi, Junichi Nakamura, Chiho Yokoe, Kazuhiko Murata