Patents by Inventor Hisako Imai

Hisako Imai 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: 7202412
    Abstract: A photovoltaic cell comprises: an anode electrode including a conductive support and a porous semiconductor layer; a photosensitive dye; a charge transport layer; and a counter electrode support, wherein the anode electrode has the property of causing cathode luminescence having a luminous peak wavelength in a visible region and shows a haze rate H of 60% or more at a wavelength in the visible region.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: April 10, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Ryohsuke Yamanaka, Naoki Koide, Liyuan Han, Yasuo Chiba, Hisako Imai, Takehito Mitate
  • Publication number: 20030140963
    Abstract: A photovoltaic cell comprises: an anode electrode including a conductive support and a porous semiconductor layer; a photosensitive dye; a charge transport layer; and a counter electrode support, wherein the anode electrode has the property of causing cathode luminescence having a luminous peak wavelength in a visible region and shows a haze rate H of 60% or more at a wavelength in the visible region.
    Type: Application
    Filed: January 10, 2003
    Publication date: July 31, 2003
    Inventors: Ryohsuke Yamanaka, Naoki Koide, Liyuan Han, Yasuo Chiba, Hisako Imai, Takehito Mitate