Patents by Inventor Yohei Aoyama

Yohei Aoyama 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: 8884029
    Abstract: A photoelectric conversion device capable of improving conversion efficiency is provided. The photoelectric conversion device includes a work electrode, an opposed electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound that has a methine chain, an indolenine skeleton bonded with both ends of the methine chain, and anchor groups introduced to a nitrogen atom included in the indolenine skeleton. Electron injection efficiency to the metal oxide semiconductor layer is improved, and the dye is hardly exfoliated from the metal oxide semiconductor layer.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: November 11, 2014
    Assignee: Adeka Corporation
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Mitsuhiro Okada, Toru Yano, Yohei Aoyama, Yusuke Kubota
  • Patent number: 8877315
    Abstract: A novel indolium compound of general formula (I) and an optical recording material containing the indolium compound. In formula (I), ring A is a benzene ring, etc.; ring B is a 5- or 6-membered heterocyclic ring; R1 is a group of general formula (II), etc.; R2 is an organic group having 1 to 30 carbon atoms, etc.; Y1 is an alkyl group having 1 to 10 carbon atoms, etc.; Z1 and Z2 are each, e.g., an alkyl group having 1 to 8 carbon atoms optionally substituted with a halogen atom and optionally interrupted by —O—, etc.; a is an integer of 0 to 6; b is an integer of 0 to 5; Anq? is a q-valent anion; q is 1 or 2; and p is a number necessary to neutralize an electric charge.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: November 4, 2014
    Assignee: Adeka Corporation
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20140261647
    Abstract: A novel compound represented by general formula (1), a support supporting this novel compound, and a photoelectric transduction element using this support. (In the formula, Y is an optionally substituted hydrocarbon group having 1-20 carbon atoms having —CO—NR4- or —SO2—NR4- in the group; Z is a group of a conjugated system; R1, R2, and R3 represent optionally substituted hydrocarbon groups or optionally substituted hydrocarbon-oxy groups; at least one of R1, R2, and R3 is an optionally substituted hydrocarbon-oxy group; R4 represents a hydrogen atom or an optionally substituted hydrocarbon group having 1-20 carbon atoms; R4 and Z may join together to form a ring. However, Y excludes groups represented by partial structural formulas (Y-11) and (Y-12).
    Type: Application
    Filed: August 21, 2012
    Publication date: September 18, 2014
    Applicant: ADEKA CORPORATION
    Inventors: Yohei Aoyama, Kazuyuki Noda, Hiroyuki Osada
  • Patent number: 8835651
    Abstract: A photoelectric conversion element includes a working electrode having a dye-supported metal oxide electrode in which a dye is supported on a metal oxide layer, a compound having a structure represented by the following general formula (1): is used as the dye. wherein R1 to R4 are each independently a linear alkyl group having 4 to 20 carbon atoms and may be the same or different; A1 and A2 are each any one selected from the following aromatic ring group A (a pyrrole ring in the formula (1) is represented by an arc a to show a condensation position with the pyrrole ring), may be the same or different, and may have a substituent in an aromatic ring; Anp- is a p-valent anion; p is 1 or 2; and q is a coefficient for keeping a charge of the entire dye neutral.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: September 16, 2014
    Assignee: Adeka Corporation
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Yohei Aoyama, Kensaku Akimoto, Toru Yano
  • Publication number: 20130341572
    Abstract: Disclosed is a novel compound represented by formula (1) below. In the formula, A represents an optionally substituted aromatic hydrocarbon ring or aromatic heterocyclic group, B represents a group including a chain of one to four pieces of one or more groups selected from groups represented by specific formulae (B-1) to (B-13) (such as —C?C— or —N?N—, specifically see the description), R1 to R3 each represent an optionally substituted hydrocarbon or hydrocarbonoxy group, at least one of R1 to R3 represents an optionally substituted hydrocarbonoxy group, R4 and R5 each represent an optionally substituted hydrocarbon group, R4 and R5 may be linked together to form a ring, and R4 and R5 may be each independently linked with A to form a ring.
    Type: Application
    Filed: March 7, 2012
    Publication date: December 26, 2013
    Inventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
  • Publication number: 20130186468
    Abstract: The photoelectric conversion device described herein includes a working electrode having a dye-supported metal oxide electrode in which a dye is supported on a metal oxide layer. The dye includes a structure represented by general formula (I) wherein A is a structure having a maximum absorption wavelength ?max of 350 to 500 nm in a methanol solution; B is a cyanine skeleton having a maximum absorption wavelength ?max of 500 to 700 nm in a methanol solution; Z1 is any one divalent linking group selected from —CONR—, —NRCO—, —SO2NR—, and —NRSO2—; R in Z1 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an arylalkyl group having 7 to 20 carbon atoms; Y1 and Y2 are each independently an alkylene group having 1 to 8 carbon atoms, or a single bond, and may be the same or different; r is 1 or 2; m and n are each independently an integer of 0 to 2; and (m+n) is 1 or more.
    Type: Application
    Filed: September 27, 2011
    Publication date: July 25, 2013
    Applicants: ADEKA CORPORATION, TDK CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Yohei Aoyama, Kensaku Akimoto, Tatsuya Ishida, Toru Yano
  • Publication number: 20120305074
    Abstract: A photoelectric conversion element includes a working electrode having a dye-supported metal oxide electrode in which a dye is supported on a metal oxide layer, a compound having a structure represented by the following general formula (1): is used as the dye. wherein R1 to R4 are each independently a linear alkyl group having 4 to 20 carbon atoms and may be the same or different; A1 and A2 are each any one selected from the following aromatic ring group A (a pyrrole ring in the formula (1) is represented by an arc a to show a condensation position with the pyrrole ring), may be the same or different, and may have a substituent in an aromatic ring; Anp- is a p-valent anion; p is 1 or 2; and q is a coefficient for keeping a charge of the entire dye neutral.
    Type: Application
    Filed: December 27, 2010
    Publication date: December 6, 2012
    Applicants: ADEKA CORPORATION, TDK CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Yohei Aoyama, Kensaku Akimoto, Toru Yano
  • Patent number: 8277920
    Abstract: An optical recording material comprising at least one kind of chalcone type compound represented by the following general formula (I) or a metal complex using the chalcone type compound as a ligand: wherein ring A represents a 5- or 6-membered heterocyclic ring or an aromatic ring; ring B represents a 5- or 6-membered heterocyclic ring, an aromatic ring, or a metallocene structure; the above-mentioned heterocyclic and aromatic ring may be condensed with other rings or may be substituted; n is 0 or 1.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: October 2, 2012
    Assignee: Adeka Corporation
    Inventors: Toru Yano, Yohei Aoyama
  • Patent number: 8206806
    Abstract: A cyanine compound is represented by formula (I): A1: benzene or naphthalene ring. A3: 5- or 6-membered ring. R1, R2: hydrogen atom and the like. R7: an alkyl group and the like. R12: a substituent by formula (II) or (II?). R20: a hydrogen atom and the like. Anq-: a q-valent anion. q: 1 or 2; p: a coefficient for neutral charge. In formula (II): bond between L and T is a double, conjugated double, or triple bond. L: carbon atom. T: carbon, oxygen, sulfur, or nitrogen atom. x, y, z: 0 or 1. s: 0-4. R13: hydrogen atom and the like. R14, R15, and R16: hydrogen atom and the like. In formula (II?), the bond between L? and T? is a double or conjugated double bond. L?: carbon atom. T?: carbon, oxygen, nitrogen atom. s?: 0-4. Ring containing L? and T?: 5-membered ring, may contain a heteroatom.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: June 26, 2012
    Assignee: Adeka Corporation
    Inventors: Toru Yano, Satoshi Yanagisawa, Yohei Aoyama, Koichi Shigeno
  • Patent number: 8193366
    Abstract: A cyanine compound represented by the general formula (I), (VI) or (VII): wherein ring-A1 is an optionally substituted benzene or naphthalene ring; B is a group represented by the general formula (II) or (III); R1 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an aryl group having 6 to 30 carbon atoms; R2 is a substituent represented by the general formula (IV); and Y1 is a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a substituent represented by the general formula (IV): wherein ring-A2 is the same as the ring-A1 in the general formula (I); Y4 and Y5 each are independently the same as Y1 in the general formula (I); X2 is the same as X1 in the general formula (I); R10 is the same as R1 in the general formula (I); R11 is the same as R2 in the general formula (I); R23 and R24 are the same as R21 and R22 in the formulas (II) and (III); n is an integer of 0 to 6; the polymethine chain may have a subst
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: June 5, 2012
    Assignee: Adeka Corporation
    Inventors: Yohei Aoyama, Koichi Shigeno
  • Publication number: 20110253218
    Abstract: A photoelectric conversion device capable of improving conversion efficiency is provided. The photoelectric conversion device includes a work electrode, a counter electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound. The cyanine compound has heterocyclic skeletons containing indolenine skeletons bonded with both ends of a methine chain, an anchor group introduced to a nitrogen atom contained in the indolenine skeletons, and a phenanthrene skeleton contained in one of the heterocyclic skeletons. In the case where light enters the dye, electron injection efficiency to the metal oxide semiconductor layer is improved.
    Type: Application
    Filed: December 25, 2009
    Publication date: October 20, 2011
    Applicants: ADEKA CORPORATION, TDK CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Toru Yano, Yukiko Mae, Yohei Aoyama
  • Patent number: 8030494
    Abstract: An optical recording material containing a compound of formula (I): wherein R1 and R2 each represent hydrogen, hydroxyl, halogen, nitro, cyano, a C1-C30 organic group, or a group of formulae (II), (II?) or (III); or R1 and R2 are connected to form a ring; X1 is —CR3R4— or —NH—; Y1 is a C1-C30 organic group or a substituent of formulae (II), (II?) or (III); R3 and R4 each represent hydrogen, a C1-C30 organic group, or a group of formulae (II), (II?) or (III), provided that, when Y1 is a group of formula (III), R3 is hydrogen, a C1-C30 organic group, or a group of formulae (II), (II?) or (III), and when Y1 is a C1-C30 organic group or a group of formulae (II) or (II?), R3 is a group of formulae (II), (II?) or (III); M is Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, Pt, or Ir; Anq? is a q-valent anion, p is a number necessary to neutralize an electric charge; and q is 1 or 2.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: October 4, 2011
    Assignee: Adeka Corporation
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20110155249
    Abstract: A photoelectric conversion device capable of improving conversion efficiency is provided. The photoelectric conversion device includes a work electrode, an opposed electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound that has a methine chain, an indolenine skeleton bonded with both ends of the methine chain, and anchor groups introduced to a nitrogen atom included in the indolenine skeleton. Electron injection efficiency to the metal oxide semiconductor layer is improved, and the dye is hardly exfoliated from the metal oxide semiconductor layer.
    Type: Application
    Filed: September 9, 2009
    Publication date: June 30, 2011
    Applicants: TDK CORPORATION, ADEKA CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Mitsuhiro Okada, Toru Yano, Yohei Aoyama, Yusuke Kubota
  • Publication number: 20110111162
    Abstract: A novel indolium compound of general formula (I) and an optical recording material containing the indolium compound. In formula (I), ring A is a benzene ring, etc.; ring B is a 5- or 6-membered heterocyclic ring; R1 is a group of general formula (II), etc.; R2 is an organic group having 1 to 30 carbon atoms, etc.; Y1 is an alkyl group having 1 to 10 carbon atoms, etc.; Z1 and Z2 are each, e.g., an alkyl group having 1 to 8 carbon atoms optionally substituted with a halogen atom and optionally interrupted by —O—, etc.; a is an integer of 0 to 6; b is an integer of 0 to 5; Anq? is a q-valent anion; q is 1 or 2; and p is a number necessary to neutralize an electric charge.
    Type: Application
    Filed: September 26, 2008
    Publication date: May 12, 2011
    Applicant: ADEKA CORPORATION
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20100304074
    Abstract: A novel indolium compound of general formula (I) and an optical recording material containing the indolium compound. In general formula (I), ring A is a benzene ring, etc.; R1 is a group of general formula (II), etc.; R2 is a C1-C30 organic group, etc.; Y1 is a C1-C10 alkyl group, etc.; Z1 is, e.g., a C1-C8 alkyl group optionally substituted with a halogen group and optionally interrupted by —O—, etc.; Z2 is, e.g., a C1-C8 alkyl group optionally substituted with a halogen group and optionally interrupted by —O—, etc.; a is an integer of 0 to 6; b is an integer of 0 to 5; Anq- is a q-valent anion; q is 1 or 2; and p is a number necessary to neutralize an electric charge.
    Type: Application
    Filed: September 26, 2008
    Publication date: December 2, 2010
    Applicant: ADEKA CORPORATION
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20100204474
    Abstract: A cyanine compound represented by the general formula (I), (VI) or (VII): wherein ring-A1 is an optionally substituted benzene or naphthalene ring; B is a group represented by the general formula (II) or (III); R1 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an aryl group having 6 to 30 carbon atoms; R2 is a substituent represented by the general formula (IV); and Y1 is a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a substituent represented by the general formula (IV): wherein ring-A2 is the same as the ring-A1 in the general formula (I); Y4 and Y5 each are independently the same as Y1 in the general formula (I); X2 is the same as X1 in the general formula (I); R10 is the same as R1 in the general formula (I); R11 is the same as R2 in the general formula (I); R23 and R24 are the same as R21 and R22 in the formulas (II) and (III); n is an integer of 0 to 6; the polymethine chain may have a subst
    Type: Application
    Filed: April 21, 2010
    Publication date: August 12, 2010
    Applicant: ADEKA CORPORATION
    Inventors: Yohei AOYAMA, Koichi SHIGENO
  • Patent number: 7745632
    Abstract: A cyanine compound represented by the general formula (I), (VI) or (VII): wherein ring-A1 is an optionally substituted benzene or naphthalene ring; B is a group represented by the general formula (II) or (III); R1 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an aryl group having 6 to 30 carbon atoms; R2 is a substituent represented by the general formula (IV); and Y1 is a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a substituent represented by the general formula (IV): wherein ring-A2 is the same as the ring-A1 in the general formula (I); Y4 and Y5 each are independently the same as Y1 in the general formula (I); X2 is the same as X1 in the general formula (I); R10 is the same as R1 in the general formula (I); R11 is the same as R2 in the general formula (I); R23 and R24 are the same as R21 and R22 in the formulas (II) and (III); n is an integer of 0 to 6; the polymethine chain may have a subst
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: June 29, 2010
    Assignee: Adeka Corporation
    Inventors: Yohei Aoyama, Koichi Shigeno
  • Publication number: 20090270636
    Abstract: An optical recording material containing a compound of formula (I): wherein R1 and R2 each represent hydrogen, hydroxyl, halogen, nitro, cyano, a C1-C30 organic group, or a group of formulae (II), (II?) or (III); or R1 and R12 are connected to form a ring; X1 is —CR3R4— or —NH—; Y1 is a C1-C30 organic group or a substituent of formulae (II), (II?) or (III); R3 and R4 each represent hydrogen, a C1-C30 organic group, or a group of formulae (II), (II?) or (III), provided that, when Y1 is a group of formula (III), R3 is hydrogen, a C1-C30 organic group, or a group of formulae (II), (II?) or (III), and when Y1 is a C1-C30 organic group or a group of formulae (II) or (II?), R3 is a group of formulae (II), (II?) or (III); M is Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, Pt, or Ir; Anq? is a q-valent anion, p is a number necessary to neutralize an electric charge; and q is 1 or 2.
    Type: Application
    Filed: October 2, 2007
    Publication date: October 29, 2009
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20090269541
    Abstract: An optical recording material comprising at least one kind of chalcone type compound represented by the following general formula (I) or a metal complex using the chalcone type compound as a ligand: wherein ring A represents a 5- or 6-membered heterocyclic ring or an aromatic ring; ring B represents a 5- or 6-membered heterocyclic ring, an aromatic ring, or a metallocene structure; the above-mentioned heterocyclic and aromatic ring may be condensed with other rings or may be substituted; n is 0 or 1.
    Type: Application
    Filed: April 24, 2007
    Publication date: October 29, 2009
    Applicant: ADEKA CORPORATION
    Inventors: Toru Yano, Yohei Aoyama
  • Publication number: 20090054652
    Abstract: A cyanine compound is represented by formula (I): A1: benzene or naphthalene ring. A3: 5- or 6-membered ring. R1, R2: hydrogen atom and the like. R7: an alkyl group and the like. R12: a substituent by formula (II) or (II?). R20: a hydrogen atom and the like. Anq-: a q-valent anion. q: 1 or 2; p: a coefficient for neutral charge. In formula (II): bond between L and T is a double, conjugated double, or triple bond. L: carbon atom. T: carbon, oxygen, sulfur, or nitrogen atom. x, y, z: 0 or 1. s: 0-4. R13: hydrogen atom and the like. R14, R15, and R16: hydrogen atom and the like. In formula (II?), the bond between L? and T? is a double or conjugated double bond. L?: carbon atom. T?: carbon, oxygen, nitrogen atom. s?: 0-4. Ring containing L? and T?: 5-membered ring, may contain a heteroatom.
    Type: Application
    Filed: March 23, 2007
    Publication date: February 26, 2009
    Applicant: ADEKA CORPORATION
    Inventors: Toru Yano, Satoshi Yanagisawa, Yohei Aoyama, Koichi Shigeno