Patents by Inventor Toru Bando

Toru Bando 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: 20240084134
    Abstract: A conductive polymer composition comprising (a) conductive polymer and (b) a solvent, wherein the component (b) comprises a tertiary alcohol, and the content ratio of the tertiary alcohol in the entire component (b) is more than 1% by mass and 70% by mass or less.
    Type: Application
    Filed: December 27, 2021
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • Patent number: 11767399
    Abstract: A composition comprising: (a) a conductive polymer, (b) a resin having a solubility parameter of 9.0 to 12.0 (cal/cm3)1/2, (c) a solvent, and (d) a phenolic compound.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: September 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shingo Onodera, Toru Bando
  • Publication number: 20230054448
    Abstract: A polyaniline composition including a polyaniline complex composed of a polyaniline doped with a dopant, and a liquid polymer.
    Type: Application
    Filed: January 14, 2021
    Publication date: February 23, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • Publication number: 20210403729
    Abstract: A method for production of a porous body containing a conductive polymer comprising impregnating a porous body with a conductive polymer composition comprising component (a) a conductive polymer and component (b) a solvent, and drying the porous body after impregnation at a temperature lower than the boiling point of the solvent by 10° C. or more, followed by drying at a temperature higher than or equal to the boiling point of the solvent.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 30, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • Publication number: 20210238350
    Abstract: A composition comprising: (a) a conductive polymer, (b) a resin having a solubility parameter of 9.0 to 12.0 (cal/cm3)1/2, (c) a solvent, and (d) a phenolic compound.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 5, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • Patent number: 10975200
    Abstract: A conductive polymer composition comprising: (a) a conductive polymer; (b) a solvent; and (c) an acid or a salt.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 13, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shingo Onodera, Toru Bando
  • Publication number: 20190062501
    Abstract: A conductive polymer composition comprising: (a) a conductive polymer; (b) a solvent; and (c) an acid or a salt.
    Type: Application
    Filed: February 27, 2017
    Publication date: February 28, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shingo ONODERA, Toru BANDO
  • Patent number: 9384866
    Abstract: A polyaniline composite including substituted or unsubstituted polyaniline molecules and a proton donar, the polyaniline molecules being doped with the proton donar, the composite having a chlorine content of 0.6 wt % or less and the composite satisfying the following formula (1): P10000/PALL?0.15??(1) wherein P10000 is the total sum of the weights of the polyaniline molecules contained in the polyaniline composite having a molecular weight of 10000 or less; and PALL is the total sum of the weights of all polyaniline molecules contained in the polyaniline composite.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: July 5, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yosuke Jibiki, Toru Bando, Sumihiro Oda
  • Patent number: 9011729
    Abstract: An organic thin film transistor including at least a gate electrode, a source electrode, a drain electrode, an insulator layer and an organic semiconductor layer, at least one of the source electrode and the drain electrode including a conductive polyaniline composition containing (a) a substituted or unsubstituted polyaniline composite which is protonated by an organic protonic acid or its salts represented by M(XCR4(CR52COOR6)COOR7)p and (b) compound having a phenolic hydroxyl group.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: April 21, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hiroaki Nakamura, Masatoshi Saito, Hirofumi Kondo, Toru Bando
  • Publication number: 20140008582
    Abstract: A polyaniline composite including substituted or unsubstituted polyaniline molecules and a proton donar, the polyaniline molecules being doped with the proton donar, the composite having a chlorine content of 0.6 wt % or less and the composite satisfying the following formula (1): P10000/PALL?0.15??(1) wherein P10000 is the total sum of the weights of the polyaniline molecules contained in the polyaniline composite having a molecular weight of 10000 or less; and PALL is the total sum of the weights of all polyaniline molecules contained in the polyaniline composite.
    Type: Application
    Filed: January 24, 2012
    Publication date: January 9, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yosuke Jibiki, Toru Bando, Sumihiro Oda
  • Patent number: 8535812
    Abstract: A conductive composition including: a solvent; a ?-conjugated conductive polymer having a chlorine content of 0.6 wt % or less; and a compound represented by the following formula (1); wherein the ?-conjugated conductive polymer is dissolved and the weight ratio of the compound represented by the formula (1) to the ?-conjugated conductive polymer (compound represented by the formula (1)/?-conjugated conductive polymer) is 0.01 to 22.0.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: September 17, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Shota Totsuka, Toru Bando, Shinobu Yamao, Mitsutake Nakamura
  • Publication number: 20130037809
    Abstract: An organic thin film transistor including at least a gate electrode, a source electrode, a drain electrode, an insulator layer and an organic semiconductor layer, at least one of the source electrode and the drain electrode including a conductive polyaniline composition containing (a) a substituted or unsubstituted polyaniline composite which is protonated by an organic protonic acid or its salts represented by M(XCR4(CR52COOR6)COOR7)p and (b) compound having a phenolic hydroxyl group.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 14, 2013
    Inventors: Hiroaki Nakamura, Masatoshi Saito, Hirofumi Kondo, Toru Bando
  • Publication number: 20120225310
    Abstract: A conductive composition including: a solvent; a ?-conjugated conductive polymer having a chlorine content of 0.6 wt % or less; and a compound represented by the following formula (1); wherein the ?-conjugated conductive polymer is dissolved and the weight ratio of the compound represented by the formula (1) to the ?-conjugated conductive polymer (compound represented by the formula (1)/?-conjugated conductive polymer) is 0.01 to 22.0.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 6, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shota TOTSUKA, Toru Bando, Shinobu Yamao, Mitsutake Nakamura
  • Publication number: 20090035532
    Abstract: A conductive multilayer stack (1) including a conductive substrate (10) having an inorganic conductive layer (3); and a conductive high-molecular-weight compound layer (4) provided on the inorganic conductive layer (3). The conductive high-molecular-weight compound layer (4) may preferably be a layer obtained by forming a conductive polyaniline composition into a film; the conductive polyaniline composition including: a protonated substituted or unsubstituted polyaniline composite (a) and a compound (b) containing a phenolic hydroxyl group, dissolved in an organic solvent.
    Type: Application
    Filed: August 3, 2006
    Publication date: February 5, 2009
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toru Bando, Mizutomo Takeuchi, Fumioki Fukatsu, Takeki Kofuji
  • Publication number: 20050159562
    Abstract: A polyaryl ether copolymer which has the following formula (1) and contains at least 0.1% by weight of a hydrophilic group, ?Ar1—O—Ar2—O?n?Ar3—O—Ar4—O?m ??(1) each of Ar1 and Ar3 independently represents a group selected from the following groups, each of Ar2 and Ar4 independently represents a group selected from the following groups, the hydrophilic group is substituted on at least one of Ar1, Ar2, Ar3 and Ar4, and each of n and m represents a copolymerization compositional ratio.
    Type: Application
    Filed: January 18, 2005
    Publication date: July 21, 2005
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Mikiya Hayashi, Yutaka Obata, Toru Bando
  • Patent number: 6743890
    Abstract: Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and an alkyl halide, or with a mixture prepared by adding a halogenoaromatic compound having an electron-withdrawing group to an aprotic organic solvent. The method makes it possible to reduce the impurities such as alkali metal halides in polyarylene sulfide, thus giving thermally stable polyarylene sulfide.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: June 1, 2004
    Assignees: Idemitsu Petrochemical Co., Ltd., Petroleum Energy Center(PEC)
    Inventor: Toru Bando
  • Patent number: 6566488
    Abstract: Provided are a polyarylene sulfide having a chloroform soluble content of at most 0.5% by weight and having an inherent viscosity &eegr;inh of from 0.05 to 0.4; a polyarylene sulfide resin composition comprising a polyarylene sulfide and an inorganic filler, of which the chloroform soluble content is at most 0.5% by weight relative to the polyarylene sulfide in the composition; car parts produced through injection molding of the composition; and a method for producing a polyarylene sulfide. The polyarylene sulfide has a reduced content of low-molecular components, and has well balanced properties of fluidity, flexural strength and impact resistance.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: May 20, 2003
    Assignees: Idemitsu Kosan Co., Ltd., Idemitsu Petrochemical Co., Ltd., Petroleum Energy Center (PEC)
    Inventors: Masaya Okamoto, Toru Bando
  • Patent number: 6562900
    Abstract: Provided is a production process for polyarylene sulfide having a high molecular weight and an excellent heat stability. It is a production process for polyarylene sulfide by reacting a dihalogenoaromatic compound with metal sulfide in a polar solvent, wherein all or a part of water required for the reaction is added on a condition that the reaction system is 100° C. or higher, whereby obtained is polyarylene sulfide which is reduced in an intrinsic viscosity [&eegr;] by 0.05 deciliter/g or less at 206° C. when added to an N-methyl-2-pyrrolidone solvent is the polyarylene sulfide of an amount equivalent to the solvent and it is maintained at 265° C. for 8 hours.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: May 13, 2003
    Assignees: Petroleum Energy Center, Idemitsu Petrochemical Co., Ltd.
    Inventors: Masaya Okamoto, Minoru Senga, Toru Bando
  • Publication number: 20030027943
    Abstract: Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and an alkyl halide, or with a mixture prepared by adding a halogenoaromatic compound having an electron-withdrawing group to an aprotic organic solvent. The method makes it possible to reduce the impurities such as alkali metal halides in polyarylene sulfide, thus giving thermally stable polyarylene sulfide.
    Type: Application
    Filed: July 17, 2002
    Publication date: February 6, 2003
    Inventor: Toru Bando
  • Patent number: 6489437
    Abstract: Provided is a polyarylene sulfide resin composition having well-balanced fluidity and mechanical strength. The composition is such that its spiral flow length, x (mm), to give a molding having a thickness of 1 mm and the flexural strength, y (MPa), of the molding satisfy the following numerical formula (I), and comprises (A) from 50 to 70 parts by weight of a polyarylene sulfide resin, (B) from 30 to 50 parts by weight of glass fibers and (C) from 0 to 3 parts by weight, relative to 100 parts by weight of the polyarylene sulfide resin (A), of a coupling agent. y≧−(3x/10)+340  (I) wherein x falls between 100 and 300.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: December 3, 2002
    Assignees: Idemitsu Kosan Co., Ltd., Idemitsu Petrochemical Co., Ltd., Petroleum Energy Center (PEC)
    Inventors: Masaya Okamoto, Toru Bando