Patents by Inventor Ryohsuke Yamanaka

Ryohsuke Yamanaka 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).

  • Publication number: 20100071743
    Abstract: A dye-sensitized solar cell module comprising: a plurality of electrically series-connected solar cells having a first conductive layer formed on an insulating substrate; a photoelectric conversion device formed on the first conductive layer; and a second conductive layer formed on the photoelectric conversion device, wherein the photoelectric conversion device has a photoelectric conversion layer having a porous semiconductor layer adsorbing a dye, a carrier transporting layer and a catalyst layer and the dye-sensitized solar cell module is characterized in that the second conductive layer of the above-described one solar cell contacts the first conductive layer of an adjacent another solar cell and the photoelectric conversion device of the above-described adjacent another solar cell contacts the second conductive layer of the above-described one solar cell.
    Type: Application
    Filed: July 3, 2007
    Publication date: March 25, 2010
    Inventors: Ryohsuke Yamanaka, Nobuhiro Fuke, Atsushi Fukui
  • Publication number: 20100024875
    Abstract: A dye-sensitized solar cell module which is characterized by providing a pair of opposed substrates 10 and 17 in which at least one of the substrates is transparent and a plurality of conductive layers 11 and 18 are formed in parallel with one another on the each opposed surface of the substrates, a plurality of adjacent photoelectric conversion devices 1a and 1b formed in a state of being electrically connected in series between the pair of conductive substrates 11 and 17, and insulating layers 16 formed between the adjacent photoelectric conversion devices 1a and 1b, wherein the photoelectric conversion devices 1a and 1b have a porous semiconductor layer 12 adsorbing a dye, an electrolyte layer 13 and a catalyst layer 14 and the insulating layer 16 is formed by dividing into two or more times in the direction of a substrate thickness.
    Type: Application
    Filed: July 3, 2007
    Publication date: February 4, 2010
    Inventors: Atsushi Fukui, Ryohsuke Yamanaka, Nobuhiro Fukui
  • Publication number: 20100012166
    Abstract: A dye-sensitized solar cell formed by layering a conductive layer; a photoelectric conversion layer in which a dye is adsorbed in a porous semiconductor layer and the layer is filled with a carrier transporting material; and a counter electrode including only a counter electrode conductive layer or including a catalyst layer and a counter electrode conductive layer on a support made of a light transmitting material, in which the photoelectric conversion layer is brought into contact with the counter electrode; the porous semiconductor layer forming the photoelectric conversion layer has two or more layers with different light scattering properties; and the two or more porous semiconductor layers are layered in an order of from a layer with lower light scattering property to a layer with higher light scattering property from a light receiving face side of the dye-sensitized solar cell.
    Type: Application
    Filed: December 12, 2006
    Publication date: January 21, 2010
    Inventors: Ryohsuke Yamanaka, Nobuhiro Fuke, Atsushi Fukui
  • Publication number: 20080308155
    Abstract: A photoelectrode has a conductive substrate and a semiconductor layer formed on the conductive substrate, the semiconductor layer being formed of semiconductor particles, the semiconductor layer having a plurality of layers, the plurality of layers being different in an average particle diameter of semiconductor particles from one another, a distal layer of the plurality of layers, placed at a location farther from the substrate, covering at least a part of side faces of a proximal layer of the plurality of layers, placed at a location closer to the substrate.
    Type: Application
    Filed: August 1, 2005
    Publication date: December 18, 2008
    Inventors: Atsushi Fukui, Ryohsuke Yamanaka, Liyuan Han
  • Publication number: 20080202585
    Abstract: The present invention aims to improve the photoelectric current of a dye-sensitized solar cell module and produce a high power dye-sensitized solar cell. The present invention provides a dye-sensitized solar cell module comprising at least two photoelectric conversion elements each comprising a transparent conductive layer, a porous photoelectric conversion layer adsorbing a dye, an electrolytic layer, a catalyst layer, and a conductive layer on a transparent substrate, wherein the respective photoelectric conversion elements are different in at least one among the layering order of the respective layers composing the photoelectric conversion elements; the type and composition of the materials for the respective layers; the particle diameter on the case the materials of the respective layers are granular; the thickness and width of the respective layers; the form of the respective layers; and the open circuit voltage of the photoelectric conversion elements, and thereby the aim is achieved.
    Type: Application
    Filed: January 19, 2005
    Publication date: August 28, 2008
    Inventors: Ryohsuke Yamanaka, Nobuhiro Fuke, Atsushi Fukui, Naoki Koide, Liyuan Han
  • 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: 20050257826
    Abstract: A dye-sensitized solar cell comprising a first support, a first conductive layer, a porous photovoltaic layer containing a dye, a carrier transport layer and a second conductive layer stacked in this order, wherein the length of contact side of the porous photovoltaic layer closed to the first conductive layer is different from that of its confronted side of the porous photovoltaic layer.
    Type: Application
    Filed: April 6, 2005
    Publication date: November 24, 2005
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Ryohsuke Yamanaka, Liyuan Han
  • Publication number: 20050229966
    Abstract: Provided is a dye-sensitized solar cell having improved stability of safety and performance by employing a non-volatile molten salt which makes it possible to facilitate the control over the composition of gel electrolyte, simplify the working step during production and give an excellent conversion efficiency.
    Type: Application
    Filed: September 22, 2003
    Publication date: October 20, 2005
    Inventors: Ryoichi Komiya, Ryohsuke Yamanaka, Liyuan Han, Takehito Mitate, Eriko Ishiko, Michiyuki Kono
  • Publication number: 20050150544
    Abstract: The present invention provides a dye-sensitized solar cell including: a transparent electrode; a counter electrode; a porous semiconductor layer having a dye sensitizer adsorbed therein; and a carrier transport layer containing an electrolytic solution therein, the porous semiconductor layer and the carrier transport layer being located between the transparent electrode and the counter electrode, wherein the electrolytic solution contains a heterocyclic compound comprising a heteroatom in the ring.
    Type: Application
    Filed: December 2, 2004
    Publication date: July 14, 2005
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Atsushi Fukui, Ryohsuke Yamanaka, Ryoichi Komiya, Liyuan Han
  • Publication number: 20050076949
    Abstract: The invention provides a dye-sensitized solar cell including a transparent substrate, a transparent conductive film formed on a surface thereof, and a conductive substrate provided in a position opposed to the transparent conductive film, and further having a porous semiconductor layer, in which a dye is adsorbed, and an electrolyte between the transparent conductive film and the conductive substrate, wherein the electrolyte is a gel electrolyte containing a redox material and a solvent capable of dissolving the same in a network structure formed by crosslinking at least one kind of compound A including an isocyanate group and at least one kind of compound B including an amino group. Otherwise, the electrolyte is a gel electrolyte containing a redox material and a solvent capable of dissolving the same in a network structure formed by crosslinking at least one kind of compound A including an isocyanate group and at least one kind of compound C including a carboxyl group and/or a hydroxyl group.
    Type: Application
    Filed: March 20, 2002
    Publication date: April 14, 2005
    Inventors: Ryoichi Komiya, Liyuan Han, Ryohsuke Yamanaka, Eriko Ishiko, Michiyuki Kono
  • Patent number: 6677516
    Abstract: A dye-sensitized photovoltaic cell comprising an electroconductive support, a porous photovoltaic layer constituted with a porous semiconductor layer containing a photosensitizing dye, a hole transporting layer, and a support on a counter electrode side, the porous photovoltaic layer having a multi-layer structure, and the semiconductor layer having a haze ratio at a wavelength in a visible light region of 60% or more.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: January 13, 2004
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuo Chiba, Masafumi Shimizu, Liyuan Han, Ryohsuke Yamanaka
  • 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
  • Publication number: 20020134426
    Abstract: A dye-sensitized photovoltaic cell comprising an electroconductive support, a porous photovoltaic layer constituted with a porous semiconductor layer containing a photosensitizing dye, a hole transporting layer, and a support on a counter electrode side, the porous photovoltaic layer having a multi-layer structure, and the semiconductor layer having a haze ratio at a wavelength in a visible light region of 60% or more.
    Type: Application
    Filed: January 29, 2002
    Publication date: September 26, 2002
    Inventors: Yasuo Chiba, Masafumi Shimizu, Liyuan Han, Ryohsuke Yamanaka