Patents by Inventor Kenichiro Ohya

Kenichiro Ohya 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: 20210139643
    Abstract: An object is to provide a polymer compound capable of producing an organic photoelectric conversion element having a large value of fill factor and the organic photoelectric conversion element. The present invention provides a polymer compound having a structural unit represented by the formula (I) and a structural unit represented by the formula (II). Further provided is an organic photoelectric conversion element having a first electrode, a second electrode, and an active layer disposed between the first electrode and the second electrode, wherein the active layer comprises the polymer compound.
    Type: Application
    Filed: January 12, 2017
    Publication date: May 13, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takafumi ARAKI, Kenichiro OHYA
  • Patent number: 10290809
    Abstract: The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: May 14, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Patent number: 9601695
    Abstract: A photoelectric conversion device that contains a polymer compound having a structural unit represented by formula (1) having high photoelectric conversion efficiency: wherein, X1 and X2 are the same or different and represent a nitrogen atom or ?CH—; Y1 represents a sulfur atom, an oxygen atom, a selenium atom, —N(R1)— or —CR2?CR3—; R1, R2 and R3 are the same or different and represent a hydrogen atom or a substituent; W1 represents a cyano group, a monovalent organic group having a fluorine atom or a halogen atom; W2 represents a cyano group, a monovalent organic group having a fluorine atom, a halogen atom or a hydrogen atom.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: March 21, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Publication number: 20160372675
    Abstract: The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken YOSHIMURA, Kenichiro OHYA
  • Patent number: 9512149
    Abstract: A reactive compound represented by the following formula (I): in the formula (I), Z represents a divalent group. A plurality of Y may be the same or different, and represent a monovalent boronate residue having at least one hydroxyl group, Ar1 and Ar2 may be the same or different, and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: December 6, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro Ohya, Ken Yoshimura
  • Patent number: 9472763
    Abstract: The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: October 18, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Patent number: 9396831
    Abstract: A polymer compound comprising a constituent unit represented by the formula (1), the formula (2), the formula (3) or the formula (4) can be utilized for producing an organic film solar battery showing high open end voltage: (in the formulae (1) to (4), Ar1 represents a tri-valent aromatic carbocyclic group or a tri-valent aromatic heterocyclic group. Ar2 represents a tetra-valent aromatic carbocyclic group or a tetra-valent aromatic heterocyclic group. Z represents —O—, —S—, —C(C?O)—, —S(?O)—, —SO2—, —Si(R)2—, —N(R)—, —B(R)—, —P(R)— or —P(?O)(R)—. R represents a hydrogen atom, a halogen atom or a mono-valent group.).
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: July 19, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro Ohya, Ken Yoshimura
  • Publication number: 20160152639
    Abstract: A polymer compound including a structural unit represented by formula (I) or a structural unit represented by formula (III) and a structural unit represented by formula (II) has high photoelectric conversion efficiency when used in an organic photoelectric conversion device. wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; two Ar1s may be the same or different; two Ar2s may be the same or different; and two Z?s may be the same or different. -D-??(II) wherein D represents an arylene group or a heteroarylene group having a fused ring, provided that a divalent heterocyclic group represented by Y is different from a group represented by D.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro OHYA, Ken YOSHIMURA
  • Patent number: 9290510
    Abstract: A polymer compound including a structural unit represented by formula (I) or a structural unit represented by formula (III) and a structural unit represented by formula (II) has high photoelectric conversion efficiency when used in an organic photoelectric conversion device. wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; two Ar1s may be the same or different; two Ar2s may be the same or different; and two Z's may be the same or different. -D-??(II) wherein D represents an arylene group or a heteroarylene group having a fused ring, provided that a divalent heterocyclic group represented by Y is different from a group represented by D.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: March 22, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro Ohya, Ken Yoshimura
  • Publication number: 20160079540
    Abstract: By using a polymer compound comprising a constituent unit represented by the formula (1) and a constituent unit represented by the formula (2) in an organic layer of an organic photoelectric conversion device, photoelectric conversion efficiency can be enhanced. wherein R1 represents a hydrogen atom or a substituent; Y1 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z1 and ring Z2 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring; wherein R2 is different from R1 and represents a hydrogen atom or a substituent; Y2 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z3 and ring Z4 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 17, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken YOSHIMURA, Kenichiro OHYA, Takehito KATO
  • Publication number: 20150353583
    Abstract: A reactive compound represented by the following formula (I): [In the formula (I), Z represents a divalent group. A plurality of Y may be the same or different, and represent a monovalent boronate residue having at least one hydroxyl group, Ar1 and Ar2 may be the same or different, and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group.].
    Type: Application
    Filed: January 17, 2014
    Publication date: December 10, 2015
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro OHYA, Ken YOSHIMURA
  • Patent number: 9209404
    Abstract: The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic device. Specifically, the present invention provides a macromolecular compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; X1 and X2 are the same as or different from each other and represent —O—, —S—, —C(?O)—, —S(?O)—, —SO2—, —C(R50)(R51)—, —Si (R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(?O)(R8)—; wherein the macromolecular compound has a light absorbing terminal wavelength of 700 nm or more.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: December 8, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Patent number: 9006714
    Abstract: The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: April 14, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ken Yoshimura, Kenichiro Ohya, Takehito Kato
  • Patent number: 8921836
    Abstract: An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Ar1 and Ar2 are each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 30, 2014
    Assignees: Sumitomo Chemical Company, Limited, National University of Corporation Hiroshima University
    Inventors: Kazuo Takimiya, Itaru Osaka, Kenji Kohiro, Kenichiro Ohya, Kunihito Miyake
  • Publication number: 20140239284
    Abstract: By using a polymer compound comprising a constituent unit represented by the formula (1) and a constituent unit represented by the formula (2) in an organic layer of an organic photoelectric conversion device, photoelectric conversion efficiency can be enhanced: wherein R1 represents a hydrogen atom; or a substituent; Y1 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z1 and ring Z2 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring; wherein R2 is different from R1 and represents a hydrogen atom or a substituent; Y2 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z3 and ring Z4 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 28, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya, Takehito Kato
  • Publication number: 20140084217
    Abstract: A polymer compound comprising a constituent unit represented by the formula (1), the formula (2), the formula (3) or the formula (4) can be utilized for producing an organic film solar battery showing high open end voltage: (in the formulae (1) to (4), Ar1 represents a tri-valent aromatic carbocyclic group or a tri-valent aromatic heterocyclic group. Ar2 represents a tetra-valent aromatic carbocyclic group or a tetra-valent aromatic heterocyclic group. Z represents —O—, —S—, —C(C?O)—, —S(?O)—, —SO2—, —Si(R)2—, —N(R)—, —B(R)—, —P(R)— or —P(?O)(R)—. R represents a hydrogen atom, a halogen atom or a mono-valent group.).
    Type: Application
    Filed: June 1, 2012
    Publication date: March 27, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro Ohya, Ken Yoshimura
  • Publication number: 20130026459
    Abstract: A photoelectric conversion device that contains a polymer compound having a structural unit represented by formula (1) has high photoelectric conversion efficiency. (wherein, X1 and X2 are the same or different and represent a nitrogen atom or ?CH—. Y1 represents a sulfur atom, an oxygen atom, a selenium atom, —N(R1)— or —CR2?CR3—. R1, R2 and R3 are the same or different and represent a hydrogen atom or a substituent. W1 represents a cyano group, a monovalent organic group having a fluorine atom or a halogen atom. W2 represents a cyano group, a monovalent organic group having a fluorine atom, a halogen atom or a hydrogen atom.
    Type: Application
    Filed: April 21, 2011
    Publication date: January 31, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Publication number: 20120305899
    Abstract: An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Ar1 and Ar2 are each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.
    Type: Application
    Filed: December 22, 2010
    Publication date: December 6, 2012
    Applicants: NATIONAL UNIVERSITY OF CORPORATION HIROSHIMA UNIVERSITY, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuo Taki, Itaru Osaka, Kenji Kohiro, Kenichiro Ohya, Kunihito Miyake
  • Publication number: 20120217448
    Abstract: The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell. Specifically, the present invention provides a macromolecular compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; X1 and X2 are the same as or different from each other and represent —O—, —S—, —C(?O)—, —S(?O)—, —SO2—, —C(R50)(R51)—, —Si (R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(?O)(R8)—; wherein the macromolecular compound has a light absorbing terminal wavelength of 700 nm or more.
    Type: Application
    Filed: October 29, 2010
    Publication date: August 30, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ken Yoshimura, Kenichiro Ohya
  • Publication number: 20120205593
    Abstract: A polymer compound including a structural unit represented by formula (I) or a structural unit represented by formula (III) and a structural unit represented by formula (II) has high photoelectric conversion efficiency when used in an organic photoelectric conversion device. wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; two Ar1s may be the same or different; two Ar2s may be the same or different; and two Z's may be the same or different. -D-??(II) wherein D represents an arylene group or a heteroarylene group having a fused ring, provided that a divalent heterocyclic group represented by Y is different from a group represented by D.
    Type: Application
    Filed: October 22, 2010
    Publication date: August 16, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenichiro Ohya, Ken Yoshimura