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).

  • Publication number: 20120181529
    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: Application
    Filed: September 28, 2010
    Publication date: July 19, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masanobu Tanaka, Kenta Tanaka, Ken Sakakibara, Hideyuki Higashimura, Rui Ishikawa
  • Publication number: 20120168693
    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: Application
    Filed: September 17, 2010
    Publication date: July 5, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki Iijima, Masahiro Fujioka, Hideyuki Higashimura
  • Publication number: 20120049167
    Abstract: An organic electroluminescent device in which an organic layer containing a metal coordination compound represented by the following formula (1) is sandwiched between the pair of electrodes composed of an anode and a cathode, MLaXb??(1) wherein M is an ion of a metal of Group 11 of the Periodic Table, L is a ligand represented by the formula (2) shown below, X is an anion, and a and b are defined in the specification, wherein A is a divalent group formed by removing two hydrogen atoms from the formula (3) or (4) shown below, and D1, k1, m1, A, D1, Q1, and Q2 are defined in the specification, wherein X1, X2, X3, X4, X5, R1, R5, R6, and R9 are defined in the specification.
    Type: Application
    Filed: January 21, 2010
    Publication date: March 1, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yusuke Kuramochi, Norifumi Kobayashi, Hideyuki Higashimura
  • Publication number: 20120041203
    Abstract: A metal complex containing a nitrogen-containing aromatic ring ligand which has a dendritic molecular chain, and a copper(I) ion or a silver(I) ion. For example, the metal complex which is represented by compositional formula (8): (wherein M+ is a copper(I) ion or a silver(I) ion, L is a ligand, and X is a counter ion; p is a positive number, and q and r are each independently numerical numbers of 0 or more; R represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, an amino group, an acylamino group, a silyl group, a hydroxyl group, an acyl group, a hydrocarbyl group, a hydrocarbyloxy group, a hydrocarbylthio group, or a heterocyclic group, wherein the amino group, the silyl group, the hydrocarbyl group, the hydrocarbyloxy group and the hydrocarbylthio group optionally have a substituent) has excellent heat resistance.
    Type: Application
    Filed: April 19, 2010
    Publication date: February 16, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yusuke Kuramochi, Norifumi Kobayashi, Hideyuki Higashimura
  • Publication number: 20120032121
    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: Application
    Filed: April 6, 2010
    Publication date: February 9, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hideyuki Higashimura, Takayuki Iijima, Masahiro Fujioka, Kenta Tanaka
  • Publication number: 20120021897
    Abstract: A compound represented by the following formula (1): wherein, Y1, Y2, Y3 and Y4 represent a group represented by any of the above formulae; P1, P2, P3 and P4 are an atomic group required for forming an aromatic heterocyclic ring; P5 and P6 are an atomic group required for forming an aromatic ring; Z1 and Z2 represent OR?, —SR? or —NR?2, wherein R? represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; Q1 and Q2 represent a direct bond or a linking group; a P1-containing ring and a P2-containing ring are bonded to form Q1-containing fused structure; a P3-containing ring and a P4-containing ring are bonded to form Q2-containing fused structure; can be used as a ligand of a metal complex, and the metal complex is useful for a catalyst.
    Type: Application
    Filed: February 19, 2010
    Publication date: January 26, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masatoshi Iwata, Tadafumi Matsunaga, Nobuyoshi Koshino, Hideyuki Higashimura
  • Publication number: 20120016147
    Abstract: A method for producing an aromatic compound polymer comprising oxidatively polymerizing one or more of aromatic compound(s) having two or more hydrogen atoms directly connected to aromatic ring(s), in the presence of an oxidizing agent, wherein the method employs a catalyst composed of a transition metal complex or a catalyst prepared from a transition metal complex and an activating agent, and said catalyst has a parameter P defined by the following formula (A) of 0.50 or more, and a parameter Eo defined by the following formula (B) of 0.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hideyuki HIGASHIMURA, Daisuke FUKUSHIMA, Kazuei OHUCHI
  • Publication number: 20110309304
    Abstract: An luminescent device material which is inexpensive and exhibits excellent durability in the presence of oxygen can be provided using a luminescent silver complex which has an organic multidentate ligand, particularly, a luminescent silver complex wherein the organic multidentate ligand is coordinated to a phosphorus atom, a nitrogen atom, an oxygen atom, a sulfur atom, an arsenic atom, an oxygen anion, a nitrogen anion, or a sulfur anion, or a polymer of the luminescent silver complex.
    Type: Application
    Filed: November 30, 2009
    Publication date: December 22, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Norifumi Kobayashi, Hideyuki Higashimura, Katsuhiro Suenobu
  • Patent number: 8048982
    Abstract: A method for producing an aromatic compound polymer comprising oxidatively polymerizing one or more of aromatic compound(s) having two or more hydrogen atoms directly connected to aromatic ring(s), in the presence of an oxidizing agent, wherein the method employs a catalyst composed of a transition metal complex or a catalyst prepared from a transition metal complex and an activating agent, and said catalyst has a parameter P defined by the following formula (A) of 0.50 or more, and a parameter Eo defined by the following formula (B) of 0.50 [V] or more: P=Af/Ai??(A) and Eo=(Epa+Epc)/2 [V]??(B).
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: November 1, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hideyuki Higashimura, Daisuke Fukushima, Kazuei Ohuchi
  • Patent number: 7999058
    Abstract: A method for producing an aromatic polymer includes polycondensing an aromatic compound represented by formula (I) in the presence of a nickel complex containing a phosphine compound represented by formula (II), wherein, Ar denotes an aromatic ring containing organic group, which aromatic ring may contain an oxygen atom and/or a nitrogen atom; R denotes a monovalent group containing a hydrocarbon group; k is an integer of 1 or more; X denotes an halogen atom, a nitro group or a group represented by —SO3Q, wherein Q denotes a monovalent hydrocarbon group; Y denotes O, S, an imino group, an ethenylene group, or an ethynylene group; n denotes 0 or 1; and M denotes H, —B(OQ1)2, —Si(Q2)3, —Sn(Q3)3 or —Z1(Z2)m, wherein Q1 denotes H or a monovalent hydrocarbon group; Q2 and Q3 denote a monovalent hydrocarbon group; Z1 denotes a metal atom or a metal ion; Z2 denotes a counter ion; and m is an integer of 0 or higher; wherein, R1 denotes a monovalent hydrocarbon group, and R2 denotes a divalent hydrocarbon gro
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: August 16, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsutomu Yokozawa, Hideyuki Higashimura
  • Patent number: 7988944
    Abstract: An object of the present invention is to provide a catalyst which decomposes a peroxide effectively and economically under a high temperature while suppressing generation of free radicals, and the present invention provides a peroxide decomposition catalyst containing a base metal atom, wherein a value A indicating a free radical generation amount represented by the (equation 1) is not more than 0.20, and a value B indicating a reaction rate represented by the (equation 2), which can be easily applied to utility such as an agent for preventing deterioration of a polymer electrolyte-type fuel cell and a water electrolysis apparatus, and an antioxidant for medicaments, agrochemicals and foods. A=(Mw(S)/Mw)?1??(equation 1) (wherein Mw is a weight average molecular weight of poly(sodium 4-styrenesulfonate) after a hydrogen peroxide decomposition test in the test at 80° C.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: August 2, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takeshi Ishiyama, Hideyuki Higashimura, Hiroshi Takigawa
  • Publication number: 20110177312
    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: Application
    Filed: July 29, 2009
    Publication date: July 21, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenta Tanaka, Rui Ishikawa, Tomohisa Temma, Hideyuki Higashimura
  • Publication number: 20110127467
    Abstract: A composition comprising a phosphorescent compound, and a compound having a structure containing three or more repeating units having a dipole moment dimension of 1.0 Debye or more connected in series, wherein, based on the total number of dimer structures composed of any two repeating units connected in series contained in the above-described structure, the proportion of the number of dimer structures in which the dimension D2 of the dipole moment of the dimer structure, the dimension D1a of the dipole moment of the first repeating unit constituting the dimer structure and the dimension D1b of the dipole moment of the second repeating unit constituting the dimer structure satisfy a relation represented by the following formula (A): D1a<D2 and D1b<D2??(A) is 50% or more.
    Type: Application
    Filed: July 28, 2009
    Publication date: June 2, 2011
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, SUMATION CO., LTD.
    Inventors: Nobuhiko Akino, Kenta Tanaka, Hideyuki Higashimura
  • Publication number: 20110015059
    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 represent a group of atoms necessary for forming a heterocyclic ring together with each of Y1 to Y4 and the two carbon atoms adjacent to each of Y1 to Y4, respectively; P5 and P6 each independently represent a group of atoms necessary for forming a cyclic skeleton together with the carbon atom to which Z1 bonds or Z2 bonds and the two carbon atoms adjacent to 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 represent 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 whe
    Type: Application
    Filed: September 5, 2008
    Publication date: January 20, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tadafumi Matsunaga, Nobuyoshi Koshino, Hideyuki Higashimura, Yusuke Ishii
  • Publication number: 20110006294
    Abstract: Disclosed is 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 represented by formula (1): wherein Ar1 represents a divalent aromatic group, R1 represents a substituent group having a group represented by formula (2), Ar1 may have a substituent group other than R1, and n1 represents an integer of 1 or more; -(R2)c1-(Q1)n2-Y1(M1)a1(Z1)b1??(2) wherein R2 represents a divalent aromatic group which may have a substituent group, Q1 represents a divalent organic group which may have a substituent group, Y1 represents a carbocation, an ammonium cation, a phosphonyl cation or a sulfonyl cation, M1 represents F?, Cl?, Br?, I?,
    Type: Application
    Filed: March 5, 2009
    Publication date: January 13, 2011
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Masanobu Tanaka, Kenta Tanaka, Shohgo Yamauchi, Hideyuki Higashimura
  • Publication number: 20100219399
    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: Application
    Filed: December 25, 2006
    Publication date: September 2, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Daisuke Fukushima, Hideyuki Higashimura, Akihiko Okada, Kazuei Ohuchi, Makoto Anryu
  • Publication number: 20100197886
    Abstract: A modified polymer complex, which is obtained by intermolecular and/or intramolecular crosslinking of a polymer complex via side chains thereof, wherein the polymer complex is a copolymer of a complex monomer meeting the following conditions (i) to (iii) and a comonomer expressed by the following general formula (1): R02R03?R01E (The definitions of R01, R02, R03 and E are omitted.) (i) the complex monomer has two or more transition metal atoms; (ii) the complex monomer has a polydentate ligand containing three or more coordinating atoms that are coordinately bonded to the transition metal atoms; and (iii) the polydentate ligand has one or more polymerizable functional groups.
    Type: Application
    Filed: August 5, 2008
    Publication date: August 5, 2010
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Takeshi Ishiyama, Hideyuki Higashimura, Sho Kanesaka
  • Publication number: 20100168369
    Abstract: A method for producing an aromatic polymer including polycondensing an aromatic compound represented by the following general formula (I) in the presence of a nickel complex containing a phosphine compound represented by the following general formula (II). (Wherein, Ar denotes an aromatic ring containing organic group having an aromatic ring which may contain an oxygen atom and/or a nitrogen atom; R denotes a monovalent group which contains a hydrocarbon group; k is an integer of 1 or more; X denotes an halogen atom, a nitro group or a group represented by —SO3Q (wherein Q denotes a monovalent hydrocarbon group); Y denotes O, S, an imino group, an ethenylene group, or an ethynylene group; n denotes 0 or 1; and M denotes H, —B(OQ1)2, —Si(Q2)3, —Sn(Q3)3 or —Z1(Z2)m (wherein Q1 denotes H or a monovalent hydrocarbon group; Q2 and Q3 denote a monovalent hydrocarbon group; Z1 denotes a metal atom or a metal ion; Z2 denotes a counter ion; and m is an integer of 0 or higher.
    Type: Application
    Filed: February 13, 2007
    Publication date: July 1, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tsutomu Yokozawa, Hideyuki Higashimura
  • Publication number: 20100144999
    Abstract: Disclosed is a method for producing an aromatic polymer characterized in that an aromatic compound represented by the formula (I) below is polycondensed in the presence of a palladium complex containing a phosphine compound represented by the formula (II) below. (I) (In the formula (I), Ar represents a bifunctional organic group containing an aromatic ring; X represents a halogen atom, a nitro group or a group expressed as —SO3Q (wherein Q is an optionally substituted hydrocarbon group); Y represents an oxygen atom, a sulfur atom or the like; n is 0 or 1; and M represents a hydrogen atom, a —B(OQ1)2 group (wherein Q1 is a hydrogen atom or a hydrocarbon group) or the like.) P(R1)3 (II) (In the formula (II), R1 represents a group represented by the formula (III) below or a group represented by the formula (IV) below, and three R1s may be the same as or different from one another, provided that at least one of R1s is a group represented by the formula (III) below.
    Type: Application
    Filed: February 15, 2006
    Publication date: June 10, 2010
    Applicant: Sumitomo Chemical Company, Ltd.
    Inventors: Tsutomu Yokozawa, Kazuei Ohuchi, Yasuhiro Kubota, Hideyuki Higashimura
  • Publication number: 20100133476
    Abstract: The present invention provides a polymeric adsorption film comprising a polymer containing two or more charge-transport blocks and a substrate, wherein any of the charge-transport blocks is preferentially adhered to a surface of the substrate; a polymeric adsorption film comprising a polymer containing two or more charge-transport blocks and a substrate, wherein any of the charge-transport blocks different from the charge-transport block preferentially adhered to a surface of the substrate is preferentially exposed; or a polymeric adsorption film comprising a polymer and a substrate, wherein the polymer contains two or more charge-transport blocks and any charge-transport block selected from the charge-transport blocks is adhered to a surface of the substrate more preferentially than the other charge-transport blocks.
    Type: Application
    Filed: March 26, 2009
    Publication date: June 3, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenta TANAKA, Hideyuki Higashimura, Toshihiko Tanaka, Tomohisa Temma, Daisuke Fukushima