Patents by Inventor Shunji Ohara

Shunji Ohara 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: 20210028442
    Abstract: Provided is a composite body capable of increasing the capacity of an electricity storage device and improving rate characteristics. The composite body includes a carbon material having a graphene layered structure and fine particles, the composite body has mesopores, a volume of the mesopores measured according to the BJH method is 0.15 mL/g or more, and a BET specific surface area of the composite body is 900 m2/g or more.
    Type: Application
    Filed: October 11, 2018
    Publication date: January 28, 2021
    Inventors: Shunji Ohara, Takuya Wada, Naoki Sasagawa
  • Publication number: 20190172655
    Abstract: There is provided a carbon material that can increase both the capacitance and the output characteristic of a capacitor. A carbon material for use in an electrode material of a power storage device, comprising a first carbon material having a graphene layered structure, wherein, when an X-ray diffraction spectrum of a mixture of the carbon material and a silicon powder having a volume average particle size of 7.5±2.5 ?m in a mixing ratio of 1:1 is determined, a ratio a/b between a height of a peak assigned to the graphene layered structure, a, and a height of a peak assigned to silicon, b, is 0.05 or more and 0.4 or less.
    Type: Application
    Filed: September 27, 2017
    Publication date: June 6, 2019
    Inventors: Naoki SASAGAWA, Shunji OHARA
  • Patent number: 10297395
    Abstract: An object of the present invention is to provide a solar cell that is excellent in photoelectric conversion efficiency, suffers little degradation during encapsulation (initial degradation), has high-humidity durability, and is excellent in temperature cycle resistance. The present invention provides a solar cell including: a laminate having an electrode, a counter electrode, and a photoelectric conversion layer disposed between the electrode and the counter electrode; and an encapsulation material covering the counter electrode to encapsulate the laminate, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3, R representing an organic molecule, M representing a metal atom, X representing a halogen atom or a chalcogen atom, the encapsulation material including a resin having at least one skeleton selected from the group consisting of polyisobutylene, polyisoprene, and polybutadiene.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 21, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu Hayakawa, Motohiko Asano, Tomohito Uno, Mayumi Horiki, Yuuichirou Fukumoto, Tetsuya Kurebayashi, Shunji Ohara
  • Publication number: 20180366279
    Abstract: A capacitor electrode material that is capable of effectively increasing the capacitance of a capacitor is provided. A capacitor electrode material, comprising a composite of a carbon material having a graphene layered structure and fine particles, wherein the specific surface area of the composite measured by methylene blue adsorption method is 1100 m2/g or more.
    Type: Application
    Filed: November 21, 2016
    Publication date: December 20, 2018
    Inventors: Shunji Ohara, Naoki Sasagawa, Akihiko Fujiwara
  • Publication number: 20180062096
    Abstract: The present invention aims to provide a solar cell excellent in high-temperature, high-humidity durability. The present invention aims to provide a solar cell including: a cathode; an anode; and a photoelectric conversion layer disposed between the cathode and the anode, the photoelectric conversion layer containing an organic-inorganic perovskite compound represented by the formula R-M-X3 where R is an organic molecule, M is a metal atom, and X is a halogen atom or a chalcogen atom, at least one of the cathode and the anode having a resin layer disposed thereon, the resin layer having an inorganic layer disposed thereon, the resin layer having a glass transition temperature of 70° C. or higher and 200° C. or lower, and having a coefficient of linear expansion of 9.0×10?6K?1 or greater and 1.5×10?4K?1 or smaller.
    Type: Application
    Filed: March 16, 2016
    Publication date: March 1, 2018
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tomohito UNO, Akinobu HAYAKAWA, Shunji OHARA, Mayumi YUKAWA, Motohiko ASANO, Yuuichirou FUKUMOTO
  • Publication number: 20180040841
    Abstract: There is provided a solar cell which is excellent in gas barrier properties and in which the deterioration of wirings does not easily occur. The solar cell (1) comprises: a first electrode (2); a second electrode (7) arranged so as to face the first electrode (2); a photoelectric conversion layer (5) which is arranged between the first electrode (2) and the second electrode (7) and contains an organic-inorganic perovskite compound; a plurality of auxiliary wirings (8) provided on the second electrode (7); a resin layer (9) provided on the second electrode (7) so as to fill a space between the plurality of auxiliary wirings (8); and an inorganic layer (10) provided so as to cover the plurality of auxiliary wirings (8) and the resin layer (9).
    Type: Application
    Filed: March 17, 2016
    Publication date: February 8, 2018
    Inventors: Motohiko Asano, Akinobu Hayakawa, Yuuichirou Fukumoto, Shunji Ohara, Mayumi Yukawa, Tomohito Uno
  • Publication number: 20180040840
    Abstract: The present invention aims to provide a flexible solar cell including a photoelectric conversion layer that contains an organic-inorganic perovskite compound and being excellent in light resistance and photoelectric conversion efficiency. The present invention relates to a flexible solar cell having a structure including: a metal foil; an electron transport layer; a photoelectric conversion layer; a hole transport layer; and a transparent electrode stacked in the stated order, the photoelectric conversion layer containing an organic-inorganic perovskite compound represented by the formula: R-M-X3 where R represents an organic molecule, M represents a metal atom, and X represents a halogen atom or a chalcogen atom.
    Type: Application
    Filed: March 18, 2016
    Publication date: February 8, 2018
    Applicant: Sekisui Chemical Co., Ltd.
    Inventors: Akinobu HAYAKAWA, Motohiko ASANO, Shunji OHARA, Mayumi YUKAWA, Tomohito UNO, Junnosuke MURAKAMI
  • Publication number: 20180019066
    Abstract: The present invention aims to provide a solar cell in which a decrease in photoelectric conversion efficiency due to continuous exposure to light (photodegradation) is reduced, and a method of producing the solar cell.
    Type: Application
    Filed: January 29, 2016
    Publication date: January 18, 2018
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Mayumi HORIKI, Shunji OHARA, Tomohito UNO
  • Publication number: 20170309408
    Abstract: The present invention aims to provide a solar cell that is excellent in photoelectric conversion efficiency, suffers little degradation during encapsulation (initial degradation), and has excellent durability. The present invention relates to a solar cell including: a laminate having an electrode, a counter electrode, and a photoelectric conversion layer disposed between the electrode and the counter electrode; and an inorganic layer covering the counter electrode to encapsulate the laminate, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3, R representing an organic molecule, M representing a metal atom, X representing a halogen atom or a chalcogen atom, the inorganic layer containing a metal oxide, a metal nitride, or a metal oxynitride.
    Type: Application
    Filed: October 14, 2015
    Publication date: October 26, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Motohiko ASANO, Tomohito UNO, Mayumi HORIKI, Yuuichirou FUKUMOTO, Tetsuya KUREBAYASHI, Shunji OHARA
  • Publication number: 20170278640
    Abstract: An object of the present invention is to provide a solar cell that is excellent in photoelectric conversion efficiency, suffers little degradation during encapsulation (initial degradation), has high-temperature durability, and is excellent in temperature cycle resistance. The present invention provides a solar cell including: a laminate having an electrode, a counter electrode, and a photoelectric conversion layer disposed between the electrode and the counter electrode; and an encapsulation material covering the counter electrode to encapsulate the laminate, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3, R representing an organic molecule, M representing a metal atom, X representing a halogen atom or a chalcogen atom, the encapsulation material including a (meth)acrylic resin having a C atom/O atom ratio of 4 or more in the molecule.
    Type: Application
    Filed: October 14, 2015
    Publication date: September 28, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Motohiko ASANO, Tomohito UNO, Mayumi HORIKI, Yuuichirou FUKUMOTO, Tetsuya KUREBAYASHI, Shunji OHARA
  • Publication number: 20170236652
    Abstract: An object of the present invention is to provide a solar cell that is excellent in photoelectric conversion efficiency, suffers little degradation during encapsulation (initial degradation), has high-humidity durability, and is excellent in temperature cycle resistance. The present invention provides a solar cell including: a laminate having an electrode, a counter electrode, and a photoelectric conversion layer disposed between the electrode and the counter electrode; and an encapsulation material covering the counter electrode to encapsulate the laminate, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3, R representing an organic molecule, M representing a metal atom, X representing a halogen atom or a chalcogen atom, the encapsulation material including a resin having at least one skeleton selected from the group consisting of polyisobutylene, polyisoprene, and polybutadiene.
    Type: Application
    Filed: October 14, 2015
    Publication date: August 17, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Motohiko ASANO, Tomohito UNO, Mayumi HORIKI, Yuuichirou FUKUMOTO, Tetsuya KUREBAYASHI, Shunji OHARA
  • Publication number: 20170221639
    Abstract: An object of the present invention is to provide a solar cell that is excellent in photoelectric conversion efficiency, suffers little degradation during encapsulation (initial degradation), and has high-temperature durability. The present invention provides a solar cell including: a laminate having an electrode, a counter electrode, and a photoelectric conversion layer disposed between the electrode and the counter electrode; and an encapsulation resin layer covering the counter electrode to encapsulate the laminate, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3, R representing an organic molecule, M representing a metal atom, X representing a halogen atom or a chalcogen atom, the encapsulation resin layer including a resin having a solubility parameter, i.e., a SP value, of 10 or less.
    Type: Application
    Filed: October 14, 2015
    Publication date: August 3, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Motohiko ASANO, Tomohito UNO, Mayumi HORIKI, Yuuichirou FUKUMOTO, Tetsuya KUREBAYASHI, Shunji OHARA
  • Publication number: 20160240804
    Abstract: The present invention aims to provide a coating liquid for forming a semiconductor which facilitates large-area production of a semiconductor that is useful as a semiconductor material of a solar cell with high conversion efficiency and small variation in the conversion efficiency, and enables control of the film thickness. The present invention also aims to provide a semiconductor thin film produced from the coating liquid for forming a semiconductor, a thin film solar cell, and a method for producing the thin film solar cell. The present invention relates to a coating liquid for forming a semiconductor, including a complex that includes a group 15 metal element of the periodic table and sulfur and/or selenium, the coating liquid having a molar ratio of the group 15 metal element of the periodic table to the sulfur and/or selenium of 1:2 to 1:10.
    Type: Application
    Filed: November 4, 2014
    Publication date: August 18, 2016
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akinobu HAYAKAWA, Shunji OHARA, Mayumi HORIKI, Kazushi ITO
  • Publication number: 20160226009
    Abstract: The present invention provides a thin film solar cell which can exhibit high photoelectric conversion efficiency. The present invention aims to provide a semiconductor thin film intended to be used in the thin film solar cell and to a coating liquid for forming a semiconductor which can facilitate large-area production of the thin film solar cell to improve production stability. The present invention relates to a thin film solar cell including a photoelectric conversion layer. The photoelectric conversion layer includes a portion that includes a sulfide of a group 15 element of the periodic table and/or a selenide of a group 15 element of the periodic table and a compound containing at least one element selected from the group consisting of a rare earth element, titanium, and zinc.
    Type: Application
    Filed: September 24, 2014
    Publication date: August 4, 2016
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mayumi HORIKI, Kazushi ITO, Akinobu HAYAKAWA, Shunji OHARA
  • Patent number: 9337379
    Abstract: The present invention aims to provide a method of producing a solar cell which can produce a porous inorganic oxide layer that has a high porosity and contains less impurities even by low-temperature firing. The present invention also aims to provide a solar cell produced by the method of producing a solar cell. The present invention directs to a method of producing a solar cell. The method includes: applying an inorganic oxide paste that contains inorganic oxide fine particles, a binder resin, and an organic solvent to a surface of a base to form an inorganic oxide layer on the base, the base including a conductive layer as an outermost layer thereof, the surface being a conductive layer-side surface; firing the inorganic oxide layer; irradiating the inorganic oxide layer with active energy rays or subjecting the inorganic oxide layer to ozonolysis to form a porous inorganic oxide layer; and laminating a semiconductor on the porous inorganic oxide layer.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: May 10, 2016
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mayumi Horiki, Akinobu Hayakawa, Shunji Ohara, Taku Sasaki, Kazushi Ito
  • Publication number: 20150318480
    Abstract: The present invention aims to provide a solar cell having high photoelectric conversion efficiency and excellent durability. The present invention relates to a solar cell including at least: a cathode; an anode; a photoelectric conversion layer provided between the cathode and the anode; and a hole transport layer provided between the photoelectric conversion layer and the anode, the hole transport layer containing an organic semiconductor, the organic semiconductor having a carboxyl group and having a conjugated structure.
    Type: Application
    Filed: November 7, 2013
    Publication date: November 5, 2015
    Inventors: Shunji OHARA, Akinobu HAYAKAWA, Mayumi HORIKI, Kazushi ITO
  • Publication number: 20150280019
    Abstract: It is an object of the present invention to provide a solar cell capable of exhibiting excellent photoelectric conversion efficiency even when ultraviolet light is blocked. The present invention relates to a solar cell including: a cathode; an anode; a photoelectric conversion layer disposed between the cathode and the anode; and an electron transport layer disposed between the cathode and the photoelectric conversion layer, the electron transport layer containing titanium oxide and at least one element selected from the group consisting of pentavalent elements and hexavalent elements.
    Type: Application
    Filed: October 29, 2013
    Publication date: October 1, 2015
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shunji Ohara, Akinobu Hayakawa, Mayumi Horiki, Kazushi Ito
  • Publication number: 20150263217
    Abstract: The present invention aims to provide a method of producing a solar cell which can produce a porous inorganic oxide layer that has a high porosity and contains less impurities even by low-temperature firing. The present invention also aims to provide a solar cell produced by the method of producing a solar cell. The present invention directs to a method of producing a solar cell. The method includes: applying an inorganic oxide paste that contains inorganic oxide fine particles, a binder resin, and an organic solvent to a surface of a base to form an inorganic oxide layer on the base, the base including a conductive layer as an outermost layer thereof, the surface being a conductive layer-side surface; firing the inorganic oxide layer; irradiating the inorganic oxide layer with active energy rays or subjecting the inorganic oxide layer to ozonolysis to form a porous inorganic oxide layer; and laminating a semiconductor on the porous inorganic oxide layer.
    Type: Application
    Filed: November 22, 2013
    Publication date: September 17, 2015
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mayumi Horiki, Akinobu Hayakawa, Shunji Ohara, Taku Sasaki, Kazushi Ito
  • Publication number: 20150107673
    Abstract: The present invention aims to provide a sulfide semiconductor-forming coating liquid capable of easily forming a sulfide semiconductor having a large area, the sulfide semiconductor being useful as a semiconductor material for photoelectric conversion materials. The present invention also aims to provide a sulfide semiconductor thin film produced using the sulfide semiconductor-forming coating liquid; and a thin film solar cell. The present invention provides a sulfide semiconductor-forming coating liquid, the coating liquid containing a complex containing a metal element of group 15 of the periodic table and sulfur.
    Type: Application
    Filed: April 24, 2013
    Publication date: April 23, 2015
    Inventors: Kazushi Ito, Akinobu Hayakawa, Shunji Ohara, Ren-de Sun
  • Patent number: 8887252
    Abstract: A design information providing system, which does not allow continuation of manufacturing of products unless a patent license contract is concluded, includes a terminal apparatus (40a) of a user manufacturing a product (BD player (50)) and includes a patent license issuing server (20a) issuing, to the terminal apparatus (40a), a contract certificate (60) certifying the conclusion of the contract, when a contract for a license necessary for manufacturing the BD player (50) is concluded with the user of the terminal apparatus (40a). Further, the design information providing system includes a design information providing server (an encryption key issuing server (30a)) transmitting an encryption key (80) to the terminal apparatus (40a) on condition of the confirmation of the contract certificate (60), when a request for design information (encryption key (80)) unique to the BD player (50) is transmitted from the terminal apparatus (40a).
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: November 11, 2014
    Assignee: Panasonic Corporation
    Inventors: Motoji Ohmori, Shunji Ohara, Takashi Katayama, Masayuki Kozuka