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).
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Publication number: 20180226683Abstract: 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: ApplicationFiled: September 14, 2016Publication date: August 9, 2018Inventors: Yuta NOHARA, Kenji KAKIAGE, Tomofumi YOKOMIZO, Hiroaki WATANABE, Yohei AOYAMA, Toru YANO
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Publication number: 20180085730Abstract: 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: ApplicationFiled: March 17, 2016Publication date: March 29, 2018Applicant: ADEKA CORPORATIONInventors: Atsushi KOBAYASHI, Ryo TANIUCHI, Yohei AOYAMA
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Patent number: 9881745Abstract: 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: GrantFiled: August 12, 2014Date of Patent: January 30, 2018Assignee: ADEKA CORPORATIONInventors: Kensaku Akimoto, Yohei Aoyama, Kenji Kakiage
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Patent number: 9812263Abstract: Disclosed is a novel compound represented by formula (1) below.Type: GrantFiled: March 25, 2016Date of Patent: November 7, 2017Assignee: ADEKA CORPORATIONInventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
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Publication number: 20170140879Abstract: 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: ApplicationFiled: May 12, 2015Publication date: May 18, 2017Inventors: Yohei AOYAMA, Kensaku AKIMOTO, Ryo TANIUCHI, Kenji KAKIAGE
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Publication number: 20170095784Abstract: 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: ApplicationFiled: March 18, 2015Publication date: April 6, 2017Applicant: ADEKA CORPORATIONInventors: Atsushi KOBAYASHI, Ryo TANIUCHI, Yohei AOYAMA
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Patent number: 9530571Abstract: 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: GrantFiled: August 21, 2012Date of Patent: December 27, 2016Assignee: ADEKA CORPORATIONInventors: Yohei Aoyama, Kazuyuki Noda, Hiroyuki Osada
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Publication number: 20160336621Abstract: 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: ApplicationFiled: March 6, 2015Publication date: November 17, 2016Inventors: Tomofumi YOKOMIZO, Toru YANO, Hiroaki WATANABE, Yohei AOYAMA, Tomomi SERI, Yuta NOHARA
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Patent number: 9496095Abstract: 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: GrantFiled: February 27, 2013Date of Patent: November 15, 2016Assignee: ADEKA CORPORATIONInventors: Hiroyuki Osada, Yohei Aoyama
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Publication number: 20160329161Abstract: 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: ApplicationFiled: January 26, 2015Publication date: November 10, 2016Inventors: Yohei AOYAMA, Kensaku AKIMOTO
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Patent number: 9424999Abstract: 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: GrantFiled: September 18, 2014Date of Patent: August 23, 2016Assignee: ADEKA CORPORATIONInventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Mitsuhiro Okada, Toru Yano, Yohei Aoyama, Yusuke Kubota
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Publication number: 20160211085Abstract: 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: ApplicationFiled: March 25, 2016Publication date: July 21, 2016Inventors: Minoru HANAYA, Kenji KAKIAGE, Masafumi UNNO, Yohei AOYAMA, Toru YANO, Daisuke SAWAMOTO, Hiroyuki OSADA
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Publication number: 20160148758Abstract: 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: ApplicationFiled: August 12, 2014Publication date: May 26, 2016Inventors: Kensaku AKIMOTO, Yohei AOYAMA, Kenji KAKIAGE
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Patent number: 9324889Abstract: 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: GrantFiled: March 7, 2012Date of Patent: April 26, 2016Assignee: ADEKA CORPORATIONInventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
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Publication number: 20150380171Abstract: 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: ApplicationFiled: December 18, 2013Publication date: December 31, 2015Applicant: ADEKA CORPORATIONInventors: Hiroyuki OSADA, Kensaku AKIMOTO, Yohei AOYAMA, Kazuyuki NODA, Toru YANO, Ryo TANIUCHI, Kenji KAKIAGE
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Patent number: 9040722Abstract: 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: GrantFiled: September 27, 2011Date of Patent: May 26, 2015Assignee: ADEKA CORPORATIONInventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Yohei Aoyama, Kensaku Akimoto, Tatsuya Ishida, Toru Yano
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Publication number: 20150034162Abstract: 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: ApplicationFiled: March 27, 2013Publication date: February 5, 2015Inventors: Sadakazu Hirose, Toshiyuki Okamoto, Miwa Matsune, Toru Yano, Hiroyuki Osada, Yohei Aoyama
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Publication number: 20150027542Abstract: 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: ApplicationFiled: September 18, 2014Publication date: January 29, 2015Applicant: ADEKA CORPORATIONInventors: Junji TANABE, Atsushi MONDEN, Masahiro SHINKAI, Mitsuhiro OKADA, Toru YANO, Yohei AOYAMA, Yusuke KUBOTA
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Patent number: 8912344Abstract: 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: GrantFiled: December 25, 2009Date of Patent: December 16, 2014Assignee: Adeka CorporationInventors: Junji Tanabe, Atsushi Monden, Masahiro Shinkai, Toru Yano, Yukiko Mae, Yohei Aoyama
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Publication number: 20140353553Abstract: 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: ApplicationFiled: February 27, 2013Publication date: December 4, 2014Applicant: ADEKA CorporationInventors: Hiroyuki Osada, Yohei Aoyama