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).

  • Publication number: 20180226683
    Abstract: Disclosed is a nonaqueous secondary battery having a nonaqueous electrolyte containing a lithium salt dissolved in an organic solvent, in which the positive electrode active material is preferably a manganese-containing, lithium transition metal oxide salt. The nonaqueous electrolyte contains at least one compound of general formula (1), preferably at least one compound of general formula (1?). The content of the compound of formula (1) or (1?) in the nonaqueous electrolyte is preferably 0.001 to 10 mass %. The symbols in formulae (1) and (1?) are as defined in the description.
    Type: Application
    Filed: September 14, 2016
    Publication date: August 9, 2018
    Inventors: Yuta NOHARA, Kenji KAKIAGE, Tomofumi YOKOMIZO, Hiroaki WATANABE, Yohei AOYAMA, Toru YANO
  • Publication number: 20180085730
    Abstract: A solution containing an ionic liquid, a polymer compound including at least one of a hydrolyzable polymer compound and a thermally-decomposable polymer compound, and a laminate of layered substances is irradiated with at least one of sonic waves and radio waves. Alternatively, a solution containing an ionic liquid, a polymer compound including at least one of a hydrolyzable polymer compound and a thermally-decomposable polymer compound, and a laminate of layered substances is heated.
    Type: Application
    Filed: March 17, 2016
    Publication date: March 29, 2018
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi KOBAYASHI, Ryo TANIUCHI, Yohei AOYAMA
  • Patent number: 9881745
    Abstract: Disclosed is a dye-sensitized solar cell which includes a working electrode and a counter electrode facing each other with an electrolyte layer therebetween, the working electrode having a dye-supporting metal oxide electrode composed of a metal oxide layer having a dye supported thereon. The dye contains a cyanine dye, and the electrolyte of the electrolyte layer contains a cobalt-based electrolyte. It is preferred to use at least one cyanine dye represented by general formula (1) as the cyanine dye. Anq? represents a q-valent anion, wherein q represents 1 or 2, and p represents a coefficient for maintaining overall charge neutrality.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: January 30, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Kensaku Akimoto, Yohei Aoyama, Kenji Kakiage
  • Patent number: 9812263
    Abstract: Disclosed is a novel compound represented by formula (1) below.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: November 7, 2017
    Assignee: ADEKA CORPORATION
    Inventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
  • Publication number: 20170140879
    Abstract: A method for loading a support with a compound in an organic solvent, characterized in that the organic solvent contains an amine. The organic solvent preferably has a hydroxy group. The compound preferably has at least one of carboxyl, sulfonic, phosphoric, phosphonic, and alkoxysilyl groups. The support is preferably a metal oxide, such as titanium oxide, zinc oxide, or aluminum oxide. The resulting compound-loaded support is suited for use as an electrode.
    Type: Application
    Filed: May 12, 2015
    Publication date: May 18, 2017
    Inventors: Yohei AOYAMA, Kensaku AKIMOTO, Ryo TANIUCHI, Kenji KAKIAGE
  • Publication number: 20170095784
    Abstract: A laminate of layered substances each containing two or more kinds of elements as constituent elements is contained in an ionic liquid containing a specific cation, and the ionic liquid containing the laminate is irradiated with one or both of sonic waves and electric waves.
    Type: Application
    Filed: March 18, 2015
    Publication date: April 6, 2017
    Applicant: ADEKA CORPORATION
    Inventors: Atsushi KOBAYASHI, Ryo TANIUCHI, Yohei AOYAMA
  • Patent number: 9530571
    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: Grant
    Filed: August 21, 2012
    Date of Patent: December 27, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Yohei Aoyama, Kazuyuki Noda, Hiroyuki Osada
  • Publication number: 20160336621
    Abstract: Provided are a nonaqueous electrolyte excellent in the prevention of overcharge and capable of retaining a small internal resistance and a high electrical capacity even after charge/discharge cycles and a nonaqueous secondary battery using the same. Specifically, the nonaqueous electrolyte is a lithium salt solution in an organic solvent and contains at least one compound having general formula (1), and the nonaqueous secondary battery includes a negative electrode capable of intercalating and deintercalating lithium, a positive electrode containing a transition metal and lithium, and the nonaqueous electrolyte. The details of formula (1) are also provided.
    Type: Application
    Filed: March 6, 2015
    Publication date: November 17, 2016
    Inventors: Tomofumi YOKOMIZO, Toru YANO, Hiroaki WATANABE, Yohei AOYAMA, Tomomi SERI, Yuta NOHARA
  • Patent number: 9496095
    Abstract: A novel compound represented by general formula (1), a carrier system including a carrier having the novel compound fixed thereon, and a photoelectric conversion device having the carrier system. In formula (1), Z is a C1-C50 conjugated group; R1 is a C6-C20 aromatic hydrocarbon group, a C7-C20 aromatic hydrocarbon group substituted by an aliphatic hydrocarbon group, or a C1-C20 aliphatic hydrocarbon group, each substituted by carboxyl, cyano, amino, amide, or nitro, the aliphatic hydrocarbon group being optionally interrupted by —O—, etc.; R2 is hydrogen or an optionally substituted C1-C20 hydrocarbon group; R30, R31, R32, R33, R40, R41, R42, R43, and R44 are each hydrogen or optionally substituted hydrocarbon group, and adjacent two of them may be connected to form a ring; R5 is hydrogen or cyano; and R11 is represented by formula (11-1) or (11-2), wherein n, ring A, and the like are as defined in the description.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: November 15, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Hiroyuki Osada, Yohei Aoyama
  • Publication number: 20160329161
    Abstract: This carrier carries a pigment (A) and a co-adsorbent (B) represented by the following general formula (1). (In the formula, ring A represents a 5- or 6-membered heterocycle which may be further condensed; the hydrogen atom in ring A may be substituted by a hydrocarbon group which may have a substituent, a halogen atom, a cyano group, a nitro group, a —OR2 group, or a —SR2 group; Z represents a divalent aliphatic hydrocarbon group interrupted 0-3 times by —O— or the like; Z1 represents a divalent aromatic group; R1 represents a carboxylic acid group, a sulfonic acid group, a phosphoric acid group, or a phosphonic acid group; R2 and R3 represent a hydrocarbon group which may have a hydrogen atom or a substituent; Anm? represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient for maintaining a neutral electric charge).
    Type: Application
    Filed: January 26, 2015
    Publication date: November 10, 2016
    Inventors: Yohei AOYAMA, Kensaku AKIMOTO
  • Patent number: 9424999
    Abstract: A photoelectric conversion device that 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 18, 2014
    Date of Patent: August 23, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Mitsuhiro Okada, Toru Yano, Yohei Aoyama, Yusuke Kubota
  • Publication number: 20160211085
    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 25, 2016
    Publication date: July 21, 2016
    Inventors: Minoru HANAYA, Kenji KAKIAGE, Masafumi UNNO, Yohei AOYAMA, Toru YANO, Daisuke SAWAMOTO, Hiroyuki OSADA
  • Publication number: 20160148758
    Abstract: Disclosed is a dye-sensitized solar cell which includes a working electrode and a counter electrode facing each other with an electrolyte layer therebetween, the working electrode having a dye-supporting metal oxide electrode composed of a metal oxide layer having a dye supported thereon. The dye contains a cyanine dye, and the electrolyte of the electrolyte layer contains a cobalt-based electrolyte. It is preferred to use at least one cyanine dye represented by general formula (1) as the cyanine dye. Anq? represents a q-valent anion, wherein q represents 1 or 2, and p represents a coefficient for maintaining overall charge neutrality.
    Type: Application
    Filed: August 12, 2014
    Publication date: May 26, 2016
    Inventors: Kensaku AKIMOTO, Yohei AOYAMA, Kenji KAKIAGE
  • Patent number: 9324889
    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: Grant
    Filed: March 7, 2012
    Date of Patent: April 26, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
  • Publication number: 20150380171
    Abstract: A carrier system carries at least one type of sensitizing dye described in (A) and at least one type of sensitizing dye described in (B): (A) a sensitizing dye having a ?-conjugated group and at least one anchor group, wherein the ?-conjugated group and every one of the anchor group(s) are connected by a spacer having at least one alkylene and having an atomicity of 5 to 20; and (B) a sensitizing dye having a ?-conjugated group and at least one anchor group, wherein the ?-conjugated group and at least one anchor group are connected by a direct bond or by a spacer having at least one alkylene and having an atomicity of 1 to 4. In (A) and (B), the spacer is composed of carbon atoms, or carbon atoms and oxygen atom(s) etc., under predetermined conditions (see Description), and may have a branched chain or a ring structure.
    Type: Application
    Filed: December 18, 2013
    Publication date: December 31, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Hiroyuki OSADA, Kensaku AKIMOTO, Yohei AOYAMA, Kazuyuki NODA, Toru YANO, Ryo TANIUCHI, Kenji KAKIAGE
  • Patent number: 9040722
    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: Grant
    Filed: September 27, 2011
    Date of Patent: May 26, 2015
    Assignee: ADEKA CORPORATION
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Yohei Aoyama, Kensaku Akimoto, Tatsuya Ishida, Toru Yano
  • Publication number: 20150034162
    Abstract: A dye-sensitized solar cell and a method for making the same allow for greatly broadening the light absorption wavelength range without using a metal complex dye, thereby achieving excellent photovoltaic characteristics. The dye-sensitized solar cell includes a photoelectrode having a substrate, a transparent conductive layer on the substrate, and a metal oxide porous layer containing metal oxide particles on the transparent conductive layer. The metal oxide porous layer has sensitizing dyes adsorbed thereon. The sensitizing dyes include an organic cyanine dye and an indoline dye having an indoline structure. The organic cyanine dye and the indoline dye are supported by the metal oxide porous layer in a plurality of levels such that the organic cyanine dye is present in a higher concentration than the indoline dye on the surface of the metal oxide particles.
    Type: Application
    Filed: March 27, 2013
    Publication date: February 5, 2015
    Inventors: Sadakazu Hirose, Toshiyuki Okamoto, Miwa Matsune, Toru Yano, Hiroyuki Osada, Yohei Aoyama
  • Publication number: 20150027542
    Abstract: A photoelectric conversion device that 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 18, 2014
    Publication date: January 29, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Junji TANABE, Atsushi MONDEN, Masahiro SHINKAI, Mitsuhiro OKADA, Toru YANO, Yohei AOYAMA, Yusuke KUBOTA
  • Patent number: 8912344
    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: Grant
    Filed: December 25, 2009
    Date of Patent: December 16, 2014
    Assignee: Adeka Corporation
    Inventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Toru Yano, Yukiko Mae, Yohei Aoyama
  • Publication number: 20140353553
    Abstract: A novel compound represented by general formula (1), a carrier system including a carrier having the novel compound fixed thereon, and a photoelectric conversion device having the carrier system. In formula (1), Z is a C1-C50 conjugated group; R1 is a C6-C20 aromatic hydrocarbon group, a C7-C20 aromatic hydrocarbon group substituted by an aliphatic hydrocarbon group, or a C1-C20 aliphatic hydrocarbon group, each substituted by carboxyl, cyano, amino, amide, or nitro, the aliphatic hydrocarbon group being optionally interrupted by —O—, etc.; R2 is hydrogen or an optionally substituted C1-C20 hydrocarbon group; R30, R31, R32, R33, R40, R41, R42, R43, and R44 are each hydrogen or optionally substituted hydrocarbon group, and adjacent two of them may be connected to form a ring; R5 is hydrogen or cyano; and R11 is represented by formula (11-1) or (11-2), wherein n, ring A, and the like are as defined in the description.
    Type: Application
    Filed: February 27, 2013
    Publication date: December 4, 2014
    Applicant: ADEKA Corporation
    Inventors: Hiroyuki Osada, Yohei Aoyama