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).
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Publication number: 20210139643Abstract: 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: ApplicationFiled: January 12, 2017Publication date: May 13, 2021Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takafumi ARAKI, Kenichiro OHYA
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Patent number: 10290809Abstract: 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: GrantFiled: August 30, 2016Date of Patent: May 14, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Patent number: 9601695Abstract: 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: GrantFiled: April 21, 2011Date of Patent: March 21, 2017Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Publication number: 20160372675Abstract: 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: ApplicationFiled: August 30, 2016Publication date: December 22, 2016Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken YOSHIMURA, Kenichiro OHYA
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Patent number: 9512149Abstract: 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: GrantFiled: January 17, 2014Date of Patent: December 6, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro Ohya, Ken Yoshimura
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Patent number: 9472763Abstract: 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: GrantFiled: October 29, 2010Date of Patent: October 18, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Patent number: 9396831Abstract: 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: GrantFiled: June 1, 2012Date of Patent: July 19, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro Ohya, Ken Yoshimura
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Publication number: 20160152639Abstract: 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: ApplicationFiled: February 3, 2016Publication date: June 2, 2016Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro OHYA, Ken YOSHIMURA
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Patent number: 9290510Abstract: 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: GrantFiled: October 22, 2010Date of Patent: March 22, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro Ohya, Ken Yoshimura
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Publication number: 20160079540Abstract: 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: ApplicationFiled: November 25, 2015Publication date: March 17, 2016Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken YOSHIMURA, Kenichiro OHYA, Takehito KATO
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Publication number: 20150353583Abstract: 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: ApplicationFiled: January 17, 2014Publication date: December 10, 2015Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro OHYA, Ken YOSHIMURA
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Patent number: 9209404Abstract: 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: GrantFiled: October 29, 2010Date of Patent: December 8, 2015Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Patent number: 9006714Abstract: The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency.Type: GrantFiled: October 29, 2010Date of Patent: April 14, 2015Assignee: Sumitomo Chemical Company, LimitedInventors: Ken Yoshimura, Kenichiro Ohya, Takehito Kato
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Patent number: 8921836Abstract: 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: GrantFiled: December 22, 2010Date of Patent: December 30, 2014Assignees: Sumitomo Chemical Company, Limited, National University of Corporation Hiroshima UniversityInventors: Kazuo Takimiya, Itaru Osaka, Kenji Kohiro, Kenichiro Ohya, Kunihito Miyake
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Publication number: 20140239284Abstract: 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: ApplicationFiled: September 28, 2012Publication date: August 28, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya, Takehito Kato
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Publication number: 20140084217Abstract: 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: ApplicationFiled: June 1, 2012Publication date: March 27, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro Ohya, Ken Yoshimura
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Publication number: 20130026459Abstract: 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: ApplicationFiled: April 21, 2011Publication date: January 31, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Publication number: 20120305899Abstract: 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: ApplicationFiled: December 22, 2010Publication date: December 6, 2012Applicants: NATIONAL UNIVERSITY OF CORPORATION HIROSHIMA UNIVERSITY, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuo Taki, Itaru Osaka, Kenji Kohiro, Kenichiro Ohya, Kunihito Miyake
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Publication number: 20120217448Abstract: 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: ApplicationFiled: October 29, 2010Publication date: August 30, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Kenichiro Ohya
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Publication number: 20120205593Abstract: 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: ApplicationFiled: October 22, 2010Publication date: August 16, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenichiro Ohya, Ken Yoshimura