Patents by Inventor Yoshio Fukumine

Yoshio Fukumine 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: 20190256693
    Abstract: A disclosed crosslinkable rubber composition includes a carboxyl group-containing nitrile rubber (A) containing a halogen or a halogen compound, and having an iodine value of 120 or less; a polyamine-based crosslinking agent (B); and a metal-based acid acceptor (C).
    Type: Application
    Filed: October 24, 2017
    Publication date: August 22, 2019
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Patent number: 10266681
    Abstract: A cross-linkable nitrile rubber composition contains a carboxyl group-containing highly saturated nitrile rubber, a resin, and a polyamine cross-linking agent. The content of the carboxyl group-containing highly saturated nitrile rubber is 30 parts by weight or more with respect to 100 parts by weight of the total amount of the carboxyl group-containing highly saturated nitrile rubber and the resin. The cross-linkable nitrile rubber composition is obtained by performing kneading at a temperature equal to or higher than the melting point of the resin.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: April 23, 2019
    Assignee: ZEON CORPORATION
    Inventor: Yoshio Fukumine
  • Patent number: 10239979
    Abstract: A highly saturated nitrile rubber composition obtained by mixing 7 to 40 wt % of a carboxyl group-containing highly saturated nitrile rubber (A1) containing 15 to 60 wt % of ?,?-ethylenically unsaturated nitrile monomer units and 1 to 60 wt % of ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units and having an iodine value of 120 or less, 10 to 78 wt % of a highly saturated nitrile rubber (A2) containing ?,?-ethylenically unsaturated nitrile monomer units in 15 to 60 wt %, having a content of ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units of 0.9 wt % or less, and having an iodine value of 120 or less, and 15 to 50 wt % of a polyester resin (B) at a temperature of a melting point of the polyester resin (B) or more is provided.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: March 26, 2019
    Assignee: ZEON CORPORATION
    Inventor: Yoshio Fukumine
  • Publication number: 20190077938
    Abstract: A nitrile rubber composition including: a carboxyl group-containing nitrile rubber containing 5 to 30% by weight of an ?,?-ethylenically unsaturated nitrile monomer unit, 0.1 to 10% by weight of a carboxyl group-containing monomer unit, 15 to 60% by weight of an ?,?-ethylenically unsaturated monocarboxylic acid ester monomer unit, and 20 to 64.9% by weight of a conjugated diene monomer unit and having an iodine value of 120 or less; and a reactive silicone oil.
    Type: Application
    Filed: March 13, 2017
    Publication date: March 14, 2019
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Publication number: 20180305490
    Abstract: A nitrile rubber composition comprising a carboxyl group-containing highly saturated nitrile rubber (A) containing an ?,?-ethylenically unsaturated nitrile monomer unit in a content of 5 to 60 wt % and an ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer unit in a content of 1 to 30 wt %, and having an iodine value of 120 or less, and a phenol compound (B) represented by the following general formula (1): (In the general formula (1), R1 to R5 are each independently a hydrogen atom, a heteroatom-free alkyl group having 1 to 8 carbon atoms, or a heteroatom-containing alkyl group having 1 to 15 carbon atoms, and at least one of R1 to R5 is a heteroatom-containing alkyl group having 1 to 15 carbon atoms.
    Type: Application
    Filed: January 5, 2017
    Publication date: October 25, 2018
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Publication number: 20180282492
    Abstract: Provided is a method for producing a cross-linkable rubber composition, comprising: a first step of providing a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less; a second step of mixing an acrylic rubber (b1) with an aromatic polyamine cross-linking agent (b2) to obtain a masterbatch (B); and a third step of mixing the carboxyl group-containing nitrile copolymer rubber (A) with the masterbatch (B).
    Type: Application
    Filed: October 13, 2016
    Publication date: October 4, 2018
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Patent number: 10030107
    Abstract: A cross-linked rubber is excellent in both fuel oil resistance and cold resistance. A cross-linkable rubber composition contains: a nitrile group-containing copolymer rubber [A] including less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a1), conjugated diene monomer units (b1), and ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units (d1), wherein at least part of the conjugated diene monomer units (b1) is hydrogenated; a nitrile group-containing copolymer rubber [B] including not less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a2) and conjugated diene monomer units (b2), wherein at least part of the conjugated diene monomer units (b2) may be hydrogenated; and an amine-based cross-linking agent.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: July 24, 2018
    Assignee: ZEON CORPORATION
    Inventors: Arinobu Katada, Yoshio Fukumine, Atsuhiro Shiono
  • Publication number: 20170342241
    Abstract: A cross-linkable nitrile rubber composition contains a carboxyl group-containing highly saturated nitrile rubber, a resin, and a polyamine cross-linking agent. The content of the carboxyl group-containing highly saturated nitrile rubber is 30 parts by weight or more with respect to 100 parts by weight of the total amount of the carboxyl group-containing highly saturated nitrile rubber and the resin. The cross-linkable nitrile rubber composition is obtained by performing kneading at a temperature equal to or higher than the melting point of the resin.
    Type: Application
    Filed: November 30, 2015
    Publication date: November 30, 2017
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Publication number: 20170253684
    Abstract: A highly saturated nitrile rubber composition obtained by mixing 7 to 40 wt % of a carboxyl group-containing highly saturated nitrile rubber (A1) containing 15 to 60 wt % of ?,?-ethylenically unsaturated nitrile monomer units and 1 to 60 wt % of ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units and having an iodine value of 120 or less, 10 to 78 wt % of a highly saturated nitrile rubber (A2) containing ?,?-ethylenically unsaturated nitrile monomer units in 15 to 60 wt %, having a content of ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units of 0.9 wt % or less, and having an iodine value of 120 or less, and 15 to 50 wt % of a polyester resin (B) at a temperature of a melting point of the polyester resin (B) or more is provided.
    Type: Application
    Filed: September 4, 2015
    Publication date: September 7, 2017
    Applicant: ZEON CORPORATION
    Inventor: Yoshio FUKUMINE
  • Publication number: 20170015797
    Abstract: A cross-linked rubber is excellent in both fuel oil resistance and cold resistance. A cross-linkable rubber composition contains: a nitrile group-containing copolymer rubber [A] including less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a1), conjugated diene monomer units (b1), and ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units (d1), wherein at least part of the conjugated diene monomer units (b1) is hydrogenated; a nitrile group-containing copolymer rubber [B] including not less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a2) and conjugated diene monomer units (b2), wherein at least part of the conjugated diene monomer units (b2) may be hydrogenated; and an amine-based cross-linking agent.
    Type: Application
    Filed: March 13, 2015
    Publication date: January 19, 2017
    Applicant: ZEON CORPORATION
    Inventors: Arinobu KATADA, Yoshio FUKUMINE, Atsuhiro SHIONO
  • Publication number: 20160090464
    Abstract: A nitrile rubber composition contains a carboxyl group-containing nitrile rubber with an iodine value of 120 or less (A) and bituminous coal (B). The bituminous coal (B) has a carbon purity of preferably 60 to 95 wt % and further has a volume average particle size of preferably 2 to 10 ?m. It is possible to provide a nitrile rubber composition which can give a cross-linked rubber which is excellent in normal physical properties and further is superior in compression set resistance and oil resistance (in particular, oil resistance to lubricating oil and fuel oil).
    Type: Application
    Filed: April 25, 2014
    Publication date: March 31, 2016
    Inventor: Yoshio FUKUMINE
  • Patent number: 8119289
    Abstract: An electrochemical element electrode for obtaining electrochemical elements having both low internal resistance and high capacitance, and a secondary battery and an electric double layer capacitor using the electrode are provided. An electrochemical element electrode which is made by forming an active material layer on a collector, and the active material layer is formed by press-molding composite particles with high strength at moderate pressure not to crush the composite particles under pressure, while the structures of the composite particles being maintained, to bond the composite particles together, wherein the composite particles comprise an electrode active material, an electric conductive material, a dispersible binder and a soluble resin, in which the electrode active material and the electric conductive material are bonded by the dispersible binder. By use of this electrode, an electric double layer capacitor or a secondary battery is obtained.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: February 21, 2012
    Assignee: Zeon Corporation
    Inventors: Yoshio Fukumine, Mayumi Fukumine, Fumiaki Tsuchiya
  • Patent number: 7864508
    Abstract: An electrode material for an electric double layer capacitor, where a moldability is good, a flexion resistance and a cohesiveness to a current collector after molding into an active material layer are high and an internal resistance can be reduced, an electrode for an electric double layer capacitor obtained using the electrode material, and a capacitor are provided. The electrode material for the electric double layer capacitor is composed of a mixture particle containing a binder and an electrode active material, and in said mixture particle, 50 area % or more of a surface of said mixture particle has been coated with the binder.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: January 4, 2011
    Assignee: Zeon Corporation
    Inventor: Yoshio Fukumine
  • Publication number: 20090316334
    Abstract: An electrochemical element electrode for obtaining electrochemical elements having both low internal resistance and high capacitance, and a secondary battery and an electric double layer capacitor using the electrode are provided. An electrochemical element electrode which is made by forming an active material layer on a collector, and the active material layer is formed by press-molding composite particles with high strength at moderate pressure not to crush the composite particles under pressure, while the structures of the composite particles being maintained, to bond the composite particles together, wherein the composite particles comprise an electrode active material, an electric conductive material, a dispersible binder and a soluble resin, in which the electrode active material and the electric conductive material are bonded by the dispersible binder. By use of this electrode, an electric double layer capacitor or a secondary battery is obtained.
    Type: Application
    Filed: April 28, 2006
    Publication date: December 24, 2009
    Applicant: Zeon Corporation
    Inventors: Yoshio Fukumine, Mayumi Fukumine, Fumiaki Tsuchiya
  • Publication number: 20090284900
    Abstract: An electrode material for an electric double layer capacitor, where a moldability is good, a flexion resistance and a cohesiveness to a current collector after molding into an active material layer are high and an internal resistance can be reduced, an electrode for an electric double layer capacitor obtained using the electrode material, and a capacitor are provided. The electrode material for the electric double layer capacitor is composed of a mixture particle containing a binder and an electrode active material, and in said mixture particle, 50 area % or more of a surface of said mixture particle has been coated with the binder.
    Type: Application
    Filed: March 28, 2006
    Publication date: November 19, 2009
    Inventor: Yoshio Fukumine
  • Publication number: 20070031735
    Abstract: The present invention relates to a technique for producing a cathode film having a thin and even thickness and having stable electrical characteristics at a high productivity by an extrusion molding method. That is, the present invention provides an active material for a cathode film comprising a lithium compound having a void fraction of 0.36 or less and a polyether polymer composition for a cathode film comprising a polyether polymer, an electrolytic salt compound which is soluble in the above polymer and the active material for a cathode film described above. The object described above can be achieved by extrusion-molding them.
    Type: Application
    Filed: June 28, 2004
    Publication date: February 8, 2007
    Applicant: ZEON CORPORATION
    Inventors: Koichi Nishimura, Yoshio Fukumine, Takashi Honda
  • Publication number: 20050287437
    Abstract: There are provided a cathode film for batteries which is easy to handle in the form of a film and has excellent mechanical strength and an excellent ion conductivity; a solid electrolyte composition suitable for producing such a cathode film; and a process for efficiently producing such a cathode film. The solid electrolyte composition for cathode which is composed of a polyether polymer, an active material of positive electrode, conductive particles, an electrolyte salt compound and a photopolymerization initiator wherein the photopolymerization initiator is present in an amount of 2 to 30 parts by weight per 100 parts by weight of the polyether polymer, is molded and then crosslinked by irradiation of an ultraviolet light, whereby a cathode film for batteries is obtained. By using this cathode film, a battery with excellent cycle performance can be obtained.
    Type: Application
    Filed: October 30, 2003
    Publication date: December 29, 2005
    Inventors: Yoshio Fukumine, Hidenori Onishi