Patents by Inventor Atsuya Kato

Atsuya Kato 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: 10468683
    Abstract: The present invention provides a conductive paste for positive electrodes of lithium-ion batteries and a mixture paste for positive electrodes of lithium-ion batteries that are inhibited from increasing in viscosity and gelling, and that have an easy-to-apply viscosity. The conductive paste of the present invention contains a dispersion resin (A), polyvinylidene fluoride (B), conductive carbon (C), a solvent (D), and a dehydrating agent (E).
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: November 5, 2019
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Endo, Atsuya Kato, Atsushi Tsukamoto, Atsunao Hiwara, Hideki Hagiwara, Koji Takahata, Akira Saito, Machiko Abe, Yuichi Ito, Kentaro Komabayashi
  • Patent number: 10355281
    Abstract: This invention relates to a conductive paste for lithium-ion battery positive electrodes and a mixture paste for a lithium ion battery positive electrode that have an easy-to-apply viscosity, even when a relatively small amount of a dispersion resin is incorporated. More specifically, the invention provides a conductive paste for lithium-ion battery positive electrodes, the conductive paste comprising a dispersion resin (A), conductive carbon (B), and a solvent (C), the dispersion resin (A) containing a resin (A1), the resin (A1) containing, as one constituent component, a polymerizable unsaturated group-containing monomer (A1-1) represented by a specific formula.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 16, 2019
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junji Akahane, Koji Endo, Takanori Ito, Atsuya Kato, Hideki Hagiwara, Machiko Abe, Kosuke Iwase, You Kato, Kazuyuki Kuwano, Sachio Takeda
  • Publication number: 20170373319
    Abstract: The present invention provides a conductive paste for positive electrodes of lithium-ion batteries and a mixture paste for positive electrodes of lithium-ion batteries that are inhibited from increasing in viscosity and gelling, and that have an easy-to-apply viscosity. The conductive paste of the present invention contains a dispersion resin (A), polyvinylidene fluoride (B), conductive carbon (C), a solvent (D), and a dehydrating agent (E).
    Type: Application
    Filed: June 21, 2017
    Publication date: December 28, 2017
    Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji ENDO, Atsuya KATO, Atsushi TSUKAMOTO, Atsunao HIWARA, Hideki HAGIWARA, Koji TAKAHATA, Akira SAITO, Machiko ABE, Yuichi ITO, Kentaro KOMABAYASHI
  • Publication number: 20170207461
    Abstract: This invention relates to a conductive paste for lithium-ion battery positive electrodes and a mixture paste for a lithium ion battery positive electrode that have an easy-to-apply viscosity, even when a relatively small amount of a dispersion resin is incorporated. More specifically, the invention provides a conductive paste for lithium-ion battery positive electrodes, the conductive paste comprising a dispersion resin (A), conductive carbon (B), and a solvent (C), the dispersion resin (A) containing a resin (A1), the resin (A1) containing, as one constituent component, a polymerizable unsaturated group-containing monomer (A1-1) represented by a specific formula.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 20, 2017
    Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junji AKAHANE, Koji ENDO, Takanori ITO, Atsuya KATO, Hideki HAGIWARA, Machiko ABE, Kosuke IWASE, You KATO, Kazuyuki KUWANO, Sachio TAKEDA
  • Patent number: 9138778
    Abstract: The present invention provides a method of forming a multi-layered coating film including the steps of (1) forming an undercoating film using an undercoating composition (I), and (2) forming a top coating film on the undercoating film after the formation of the undercoating film, the top coating film being formed using an active energy ray-curable top coating composition (II) containing a silsesquioxane compound (a) and a photoinitiator (b), the silsesquioxane compound (a) containing one or more organic groups each directly bonded to a silicone atom, and at least one of the organic groups having one or more urethane bonds and one (meth)acryloyloxy group.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: September 22, 2015
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Atsuya Kato, Akinori Nagai
  • Patent number: 8889759
    Abstract: An object to be attained by the present invention is to provide an active energy ray-curable composition that is capable of producing a cured coating film having high scratch resistance and excellent transparency. The present invention relates to an active energy ray-curable composition containing a reactive particle (A) obtained by reacting a silica fine particle (a-1) and a hydrolysable silane (a-2) having one or more (meth)acryloyloxy groups and one or more isocyanurate ring structures in a molecule. The present invention also provides the active energy ray-curable composition according to the above, containing a photopolymerization initiator (B).
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: November 18, 2014
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Yoshinari Matsuura, Akinori Nagai, Atsuya Kato
  • Patent number: 8519027
    Abstract: An aqueous amino resin dispersion excelling in storage stability and mechanical stability which is formed by dispersing hydrophobic amino resin in aqueous medium, using a polyester resin having specific hydroxyl value, acid value and number-average molecular weight as a dispersion stabilizer, said polyester resin being prepared by reacting polyhydric alcohol, polycarboxylic acid and/or polycarboxylic anhydride and monoepoxide compound having a long chain hydrocarbon group; thermosetting, water-based paint compositions comprising the aqueous amino resin dispersion; and multi-layered coating film-forming methods using the water-based paint compositions are provided.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: August 27, 2013
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Atsuya Kato, Yoshiyuki Yukawa, Hiroki Nagao
  • Publication number: 20130029159
    Abstract: The present invention provides a method of forming a multi-layered coating film including the steps of (1) forming an undercoating film using an undercoating composition (I), and (2) forming a top coating film on the undercoating film after the formation of the undercoating film, the top coating film being formed using an active energy ray-curable top coating composition (II) containing a silsesquioxane compound (a) and a photoinitiator (b), the silsesquioxane compound (a) containing one or more organic groups each directly bonded to a silicone atom, and at least one of the organic groups having one or more urethane bonds and one (meth)acryloyloxy group.
    Type: Application
    Filed: April 14, 2011
    Publication date: January 31, 2013
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Atsuya Kato, Akinori Nagai
  • Publication number: 20120296001
    Abstract: An object to be attained by the present invention is to provide an active energy ray-curable composition that is capable of producing a cured coating film having high scratch resistance and excellent transparency. The present invention relates to an active energy ray-curable composition containing a reactive particle (A) obtained by reacting a silica fine particle (a-1) and a hydrolysable silane (a-2) having one or more (meth)acryloyloxy groups and one or more isocyanurate ring structures in a molecule. The present invention also provides the active energy ray-curable composition according to the above, containing a photopolymerization initiator (B).
    Type: Application
    Filed: January 5, 2011
    Publication date: November 22, 2012
    Inventors: Yoshinari Matsuura, Akinori Nagai, Atsuya Kato
  • Patent number: 7776937
    Abstract: The present invention discloses a photocurable composition for forming an anti-fogging coating, comprising: (A) a urethane compound containing at least two (meth)acryloyl groups and a polyoxyalkylene chain in a molecule thereof, (B) a compound having at least two (meth)acryloyl groups and at least two hydroxyl groups in a molecule thereof, obtained by reacting at least two components consisting of an epoxy compound and (meth)acrylic acid, (C) a compound having an ethylenic unsaturated group other than the components (A) and (B), and (D) a photopolymerization initiator, and also discloses a method for forming an anti-fogging coating using this composition.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: August 17, 2010
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Atsuya Kato, Yu Akaki, Takeshi Matsuda, Takashi Tanaka
  • Patent number: 7744962
    Abstract: The present invention provides a thermosetting liquid coating composition for an aluminum wheel comprising (A) a hydroxy- and carboxy-containing acrylic resin having a hydroxyl value of 90 to 150 mg KOH/g and an acid value of 1 to 30 mg KOH/g, the acrylic resin being obtained by copolymerizing a monomer mixture comprising 10 to 50 wt. % of a C6-18 alkyl ester of (meth)acrylic acid, 8 to 40 wt. % of a secondary hydroxy-containing unsaturated monomer, and a carboxy-containing unsaturated monomer; and (B) an amino resin. Also provided a method of coating an aluminum wheel using the composition.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: June 29, 2010
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Atsuya Kato, Toshio Ohkoshi, Hiroki Takeda
  • Publication number: 20080118658
    Abstract: The present invention discloses a photocurable composition for forming an anti-fogging coating, comprising: (A) a urethane compound containing at least two (meth)acryloyl groups and a polyoxyalkylene chain in a molecule thereof, (B) a compound having at least two (meth)acryloyl groups and at least two hydroxyl groups in a molecule thereof, obtained by reacting at least two components consisting of an epoxy compound and (meth)acrylic acid, (C) a compound having an ethylenic unsaturated group other than the components (A) and (B), and (D) a photopolymerization initiator, and also discloses a method for forming an anti-fogging coating using this composition.
    Type: Application
    Filed: August 17, 2005
    Publication date: May 22, 2008
    Inventors: Atsuya Kato, Yu Akaki, Takeshi Matsuda, Takashi Tanaka
  • Publication number: 20060276589
    Abstract: The present invention provides a thermosetting liquid coating composition for an aluminum wheel comprising (A) a hydroxy- and carboxy-containing acrylic resin having a hydroxyl value of 90 to 150 mg KOH/g and an acid value of 1 to 30 mg KOH/g, the acrylic resin being obtained by copolymerizing a monomer mixture comprising 10 to 50 wt. % of a C6-18 alkyl ester of (meth)acrylic acid, 8 to 40 wt. % of a secondary hydroxy-containing unsaturated monomer, and a carboxy-containing unsaturated monomer; and (B) an amino resin. Also provided a method of coating an aluminum wheel using the composition.
    Type: Application
    Filed: April 23, 2004
    Publication date: December 7, 2006
    Inventors: Atsuya Kato, Toshio Ohkoshi, Hiroki Takeda
  • Publication number: 20060135678
    Abstract: An aqueous amino resin dispersion excelling in storage stability and mechanical stability which is formed by dispersing hydrophobic amino resin in aqueous medium, using a polyester resin having specific hydroxyl value, acid value and number-average molecular weight as a dispersion stabilizer, said polyester resin being prepared by reacting polyhydric alcohol, polycarboxylic acid and/or polycarboxylic anhydride and monoepoxide compound having a long chain hydrocarbon group; thermosetting, water-based paint compositions comprising the aqueous amino resin dispersion; and multi-layered coating film-forming methods using the water-based paint compositions are provided.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 22, 2006
    Inventors: Atsuya Kato, Yoshiyuki Yukawa, Hiroki Nagao
  • Publication number: 20040191418
    Abstract: This invention provides a paint film forming method comprising applying color base paint onto rigid resin parts and then clear paint and curing the two paint films, which is characterized by using, as said clear paint, a clear paint comprising 60-90% by weight of a hydroxyl-containing acrylic resin (A) and 10-40% by weight of a curing agent (B), based on the combined solid content of the acrylic resin (A) and the curing agent (B),
    Type: Application
    Filed: March 25, 2004
    Publication date: September 30, 2004
    Inventors: Masami Suwama, Atsuya Kato