Patents by Inventor Hideyuki Higashimura

Hideyuki Higashimura 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: 10392395
    Abstract: To provide nitrogen-containing aromatic compounds with excellent oxygen reduction activity, metal complexes containing them, and catalysts and electrodes employing the same, the present invention provides an aromatic compound satisfying the following conditions (a) and (b): (a) It has 2 or more structures surrounded by at least 4 coordinatable nitrogen atoms (which structures may be the same or different), (b) At least one of the nitrogen atoms composing the structure is a nitrogen atom in a 6-membered nitrogen-containing heterocyclic ring.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 27, 2019
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.
    Inventors: Nobuyoshi Koshino, Hideyuki Higashimura, Klaus Muellen, Christian von Malotki, Qi Su, Martin Baumgarten, Hassan Norouzi-Arasi, Lena Arnold, Ruili Liu
  • Patent number: 9758688
    Abstract: A composition is provided for forming a conductive film. The composition includes a metal compound, a reducing agent, an ionic compound and/or a polar compound, and a compound having at least one atom selected from a nitrogen atom, a sulfur atom and a phosphorus atom. The composition may be an ink composition for coating on an electronic device.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: September 12, 2017
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takayuki Iijima, Ken Sakakibara, Hideyuki Higashimura
  • Patent number: 9704612
    Abstract: A composition of a silver-conjugated compound composite containing (1) a silver-conjugated compound composite containing a silver particle with a Feret diameter of 1,000 nm or less and a conjugated compound having a weight average molecular weight of 3.0×102 or more being adsorbed to the silver particles and (2) an ionic compound. The ionic compound may be a compound having a structure represented by the following Formula (hh-1): [Chem. 1] Mm?+aX?n??b??(hh-1) wherein Mm?+ represents a metal cation, X?n?? represents an anion, a and b each independently represent an integer of 1 or more, and when Mm?+ and X?n?? are each plurally present, they may be the same as or different from each other.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: July 11, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki Iijima, Hideyuki Higashimura
  • Patent number: 9536633
    Abstract: A metallic composite in which a conjugated compound having a molecular weight of 200 or more is adsorbed to a metallic nanostructure having an aspect ratio of 1.5 or more, for example, a metallic composite in which a compound having a group represented by the formula (I) or a repeating unit represented by the formula (II) or both of them is adsorbed to a metallic nanostructure having an aspect ratio of 1.5 or more, is useful for electronic devices such as a light-emitting device, a solar cell and an organic transistor.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: January 3, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hideyuki Higashimura, Takayuki Iijima, Masahiro Fujioka, Kenta Tanaka
  • Patent number: 9520569
    Abstract: The present invention provides a compound that has high solubility in a highly polar solvent and is usefully usable for an application method using a highly polar solvent, the compound that can manufacture an electroluminescent device having high light-emitting efficiency. Specifically, the present invention provides a compound containing a structure represented by Formula (1): wherein: Ar1, Ar2, Ar3, and Ar4 each independently represent a divalent aromatic group optionally having substituent(s); Ar5 represents a monovalent aromatic group optionally having substituent(s); p and q each independently represent an integer of 0 or more; and R1 represents a given monovalent group.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: December 13, 2016
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ken Sakakibara, Masanobu Tanaka, Rui Ishikawa, Hideyuki Higashimura
  • Patent number: 9455408
    Abstract: Provided is a layered structure having a first electrode, a second electrode, a light emitting layer or a charge separation layer located between the first electrode and the second electrode, and a layer located between the light emitting layer or the charge separation layer and the first electrode and containing a polymer having a repeating unit containing one or more ionic groups selected from two specific groups and one or more specific polar groups. Also provided is a polymer having, as the repeating unit containing one or more ionic groups selected from two specific groups and one or more specific polar groups, one or more repeating units selected from four specific repeating units containing an aromatic group. The layered structure of the present invention provides an electroluminescent device capable of emitting light at a high luminance and a photoelectric conversion device having a high photoelectric conversion efficiency.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: September 27, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masanobu Tanaka, Kenta Tanaka, Ken Sakakibara, Hideyuki Higashimura, Rui Ishikawa
  • Patent number: 9412487
    Abstract: A silver-(conjugated compound) composite comprising silver particles having a number-average Feret diameter of not more than 1,000 nm, and a conjugated compound having a weight-average molecular weight of not less than 3.0×102 adsorbed to the silver particles. The composite exhibits excellent conductivity and charge injection properties, and excellent dispersibility within non-polar solvents.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 9, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki Iijima, Masahiro Fujioka, Hideyuki Higashimura
  • Patent number: 9318706
    Abstract: A laminated structure comprising an electrode, a polymer binding layer arranged on the electrode, and an electrically conductive organic material layer arranged on the polymer binding layer, wherein the polymer binding layer comprises an aromatic polymeric compound which has a structure represented by formula (I) [wherein Ar represents a conjugated divalent group which may have a substituent, provided that when there are multiple Ar's, the Ar's may be the same as or different from each other; and n represents an integer of 1 or greater] and has a number average molecular weight of 1×103 to 1×108 inclusive in terms of polystyrene content, the polymer binding layer is bonded to the electrode via a chemical bond between the aromatic polymeric compound and the surface of the electrode, and an electrically conductive organic material that composes a layer included in the electrically conductive organic material layer and arranged adjacent to the polymer binding layer has a number average molecular weight of 3×102
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: April 19, 2016
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kenta Tanaka, Rui Ishikawa, Tomohisa Temma, Hideyuki Higashimura
  • Patent number: 9306169
    Abstract: An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (7) as a charge injection layer and/or a charge transport layer: Wherein R1, R2, R6 and R7 represent certain groups; m1 and m5 represent an integer of 0 or more; when R2 and R7 are plurally present, they may be the same or different; and a hydrogen atom in formula (1) or (7) may be replaced with a substituent other than the certain groups.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: April 5, 2016
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masanobu Tanaka, Rui Ishikawa, Ken Sakakibara, Hideyuki Higashimura
  • Patent number: 9306170
    Abstract: An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (14) as a charge injection layer and/or a charge transport layer: wherein Ar1 and Ar2 represent certain fused polycyclic aromatic groups; R1, R2, R6 and R7 represent certain organic groups; m1, m2 and m6 represent an integer of 1 or more; m7 represents an integer of 0 or more; and when R1, R2, R6 and R7 are each plurally present, they each may be the same or different.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: April 5, 2016
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masanobu Tanaka, Rui Ishikawa, Norifumi Kobayashi, Ken Sakakibara, Hideyuki Higashimura
  • Patent number: 9236613
    Abstract: A compound represented by formula (1): wherein Y1 to Y4 each independently represent any one of the following groups: in which R? represents a hydrogen atom or a monovalent hydrocarbon group; P1 to P4 each independently represents a group of atoms necessary for forming a heterocyclic ring together with each Y1 to Y4 and the two carbon atoms adjacent to Y1 to Y4, respectively; P5 and P6 each independently represents a group of atoms necessary for forming a cyclic skeleton together with the carbon atom to which Z1 bonds or Z2 bonds; P1 and P2, P2 and P6, P6 and P4, P4 and P3, P3 and P5, and P5 and P1 may further combine with each other to form a ring; Q1 and Q2 each independently represents a connecting group or a direct binding; and Z1 and Z2 each independently represent any one of the following groups; —NR?2, —OR?, —SR?, —PR?2 in which R? represents a hydrogen atom or a monovalent hydrocarbon group, and when plural R?s are present, these plural R?s may be the same or different from each oth
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: January 12, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tadafumi Matsunaga, Nobuyoshi Koshino, Hideyuki Higashimura, Yusuke Ishii
  • Patent number: 9184388
    Abstract: The present invention provides: a layered structure having a substrate and a hole injection and/or hole transport layer comprising an aromatic compound having, on a side chain, at least one type of group having a cationic center; an electronic device having the layered structure; an aromatic compound having, on a hydrocarbon side chain, at least one type of group having a cationic center; an aromatic compound having a leaving group on a hydrocarbon side chain; and a method for manufacturing the aromatic compound having, on a hydrocarbon side chain, at least one type of group having a cationic center, the method comprising reacting the aromatic compound having a leaving group on a hydrocarbon side chain with a specific nitrogen compound, phosphorus compound, sulfur compound, or a combination of two or more of these compounds, thereby converting the aromatic compound into an onium salt thereof.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: November 10, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Arihiro Yashiro, Hideyuki Higashimura, Rui Ishikawa, Masanobu Tanaka
  • Publication number: 20150275015
    Abstract: A composition is provided for forming a conductive film. The composition includes a metal compound, a reducing agent, an ionic compound and/or a polar compound, and a compound having at least one atom selected from a nitrogen atom, a sulfur atom and a phosphorus atom. The composition may be an ink composition for coating on an electronic device.
    Type: Application
    Filed: September 20, 2013
    Publication date: October 1, 2015
    Inventors: Takayuki Iijima, Ken Sakakibara, Hideyuki Higashimura
  • Patent number: 9139489
    Abstract: Provided are a method of manufacturing an olefin having 2 to 4 carbon atoms including: reacting a catalyst with synthesis gas through a Fischer-Tropsch reaction, thereby obtaining the olefin having 2 to 4 carbon atoms, in which the catalyst is a catalyst obtained by reducing the iron ion and the cobalt ion in a dispersion liquid or a solution containing the iron ion, the cobalt ion and a dispersant that interacts with the iron ion and the cobalt ion, and a method of manufacturing propylene, which uses the above manufacturing method.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: September 22, 2015
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, Kyushu University, NATIONAL UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION OITA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Miho Yamauchi, Katsutoshi Nagaoka, Katsutoshi Sato, Noritatsu Tsubaki, Akihiro Yuasa, Hideyuki Higashimura, Takeshi Ishiyama
  • Publication number: 20150246342
    Abstract: There is provided a catalyst for hydrocarbon reforming having a high deposition suppressing effect with respect to a carbonaceous material on the catalyst surface even in a case where a reforming material including carbon dioxide, in particular, formed of only carbon dioxide is used in a reforming reaction, a method of manufacturing the same, and a method of manufacturing a synthesis gas using the catalyst.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL UNIVERSITY CORPORATION OITA UNIVERSITY, SHOEI CHEMICAL INC.
    Inventors: Kazuro NAGASHIMA, Katsutoshi NAGAOKA, Katsutoshi SATO, Hideyuki HIGASHIMURA
  • Patent number: 9109081
    Abstract: A method for producing an aromatic polymer comprising polycondensing an aromatic compound of the following formula (I) in the presence of a palladium complex containing a phosphine compound of the following formula (II): (wherein, Ar represents an aromatic ring-containing bi-functional organic group. X represents a halogen atom, nitro group or group of the formula —SO3Q (wherein, Q represents an optionally substituted hydrocarbon group). Y represents an oxygen atom, sulfur atom or the like, and n represents 0 or 1. M represents a hydrogen atom, —B(OQ1)2 or the like (Q1 represents a hydrogen atom or hydrocarbon group.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: August 18, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tsutomu Yokozawa, Kazuei Ohuchi, Yasuhiro Kubota, Hideyuki Higashimura
  • Publication number: 20150225309
    Abstract: A method of producing olefin having 2 to 4 carbon atoms, including a process of reacting at least one kind of a catalyst (D) selected from the group consisting of below catalysts (A) to (C) with synthesis gas in the presence of a dispersion medium through a Fischer-Tropsch reaction, in which the catalyst (A) contains iron and one to three kinds of elements selected from the group consisting of alkali metal and alkali earth metal, the catalyst (B) contains cobalt, provided that the catalyst (B) is a catalyst except a catalyst obtained by reducing a cobalt ion and an iron ion in a dispersion liquid or a solution containing the cobalt ion, the iron ion and a dispersant that interacts with the cobalt ion and the iron ion, and the catalyst (C) contains nickel or ruthenium.
    Type: Application
    Filed: August 1, 2013
    Publication date: August 13, 2015
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, National University Corporation University of Toyama
    Inventors: Noritatsu Tsubaki, Takeshi Ishiyama, Yusuke Shibata, Hideyuki Higashimura, Akihiro Yuasa
  • Patent number: 8951646
    Abstract: A layered structure including a first electrode and a second electrode, a light-emitting layer or a charge separation layer between the first electrode and the second electrode, and a layer containing a conjugated polymer compound between the light-emitting layer or the charge separation layer and the first electrode, wherein the conjugated polymer compound contains a repeating unit selected from the group consisting of a repeating unit of formula (1).
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: February 10, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masanobu Tanaka, Kenta Tanaka, Shohgo Yamauchi, Hideyuki Higashimura
  • Patent number: 8940856
    Abstract: The present invention provides a heterocyclic compound of the following general formula (I): wherein X and Y are different from each other and represent a halogen atom selected from among a chlorine atom, bromine atom and iodine atom, or CF3SO3?, CH3SO3?, C6H5SO3? or CH3C6H4SO3?; R1 represents an optionally substituted monovalent aliphatic hydrocarbon group having two or more carbon atoms; one of A1 and A2 represents —S—, —O—, —Se— or Te—, while the other represents —N?, —P? or —Si(R2)?, wherein R2 represents a hydrogen atom, an optionally substituted monovalent hydrocarbon group, a halogen atom, an amino group or a carbonyl group; and one of two linkages each represented by a solid line and a dashed line is a single bond, while the other is a double bond.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: January 27, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kenta Tanaka, Hideyuki Higashimura, Kazuei Ohuchi, Akio Tanaka, Masato Ueda
  • Patent number: 8895675
    Abstract: A block copolymer comprising two or more of blocks of the following formula (1), wherein at least two of a plurality of m's present in the copolymer represent a number of 5 or more, Ar's in adjacent two blocks in the copolymer are mutually different, and the copolymer has two Ar's when composed of 2 blocks of the formula (1), has two or more Ar's when composed of 3 blocks of the formula (1) and has four or more Ar's when composed of 4 or more blocks of the formula (1): (in the formula (1), Ar represents a conjugative divalent group and represents the same divalent group in an identical block, and m represents a number of 1 or more showing the number average polymerization degree of Ar present in one block).
    Type: Grant
    Filed: December 25, 2006
    Date of Patent: November 25, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Daisuke Fukushima, Hideyuki Higashimura, Akihiko Okada, Kazuei Ohuchi, Makoto Anryu