Patents by Inventor Kazuyuki Kuwano
Kazuyuki Kuwano 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).
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Patent number: 10355281Abstract: 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: GrantFiled: January 13, 2017Date of Patent: July 16, 2019Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junji Akahane, Koji Endo, Takanori Ito, Atsuya Kato, Hideki Hagiwara, Machiko Abe, Kosuke Iwase, You Kato, Kazuyuki Kuwano, Sachio Takeda
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Publication number: 20170207461Abstract: 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: ApplicationFiled: January 13, 2017Publication date: July 20, 2017Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junji AKAHANE, Koji ENDO, Takanori ITO, Atsuya KATO, Hideki HAGIWARA, Machiko ABE, Kosuke IWASE, You KATO, Kazuyuki KUWANO, Sachio TAKEDA
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Patent number: 8795835Abstract: A coating method is a method for forming a multilayer coating film including at least one lower layer formed on a substrate and an uppermost layer formed on the lower layer, and the coating method comprises the steps of: preparing a certain curable coating material as an uppermost layer-coating material for forming the uppermost layer, and preparing a certain coating material as at least one lower layer-coating material for forming the lower layer; forming an uncured multilayer coating film by applying the lower layer-coating material and the uppermost layer-coating material on the substrate using a wet-on-wet technique; and curing at least the uppermost layer-coating material by subjecting the uncured multilayer coating film to a curing treatment.Type: GrantFiled: July 3, 2008Date of Patent: August 5, 2014Assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki KaishaInventors: Kazuyuki Tachi, Takeshi Narita, Kanji Mori, Satoshi Kodama, Kazuyuki Kuwano, Akira Nishimura
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Publication number: 20110177348Abstract: A coating method is a method for forming a laminated coating film including a lowermost layer formed on a base material, at least one intermediate layer formed on the lowermost layer, and an uppermost layer formed on the intermediate layer, and the coating method comprises the steps of: preparing a thermosetting coating material as a lowermost layer-coating material for forming the lowermost layer, preparing a thermosetting coating material as an intermediate layer-coating material for forming the intermediate layer, wherein at least one thermosetting coating material for the intermediate layer is a thermosetting coating material containing a base resin having a glass transition temperature of 5° C.Type: ApplicationFiled: September 18, 2009Publication date: July 21, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shuji Yomo, Kazuyuki Tachi, Kazuyuki Kuwano
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Publication number: 20100136342Abstract: A coating method is a method for forming a multilayer coating film including at least one lower layer formed on a substrate and an uppermost layer formed on the lower layer, and the coating method comprises the steps of: preparing a certain curable coating material as an uppermost layer-coating material for forming the uppermost layer, and preparing a certain coating material as at least one lower layer-coating material for forming the lower layer; forming an uncured multilayer coating film by applying the lower layer-coating material and the uppermost layer-coating material on the substrate using a wet-on-wet technique; and curing at least the uppermost layer-coating material by subjecting the uncured multilayer coating film to a curing treatment.Type: ApplicationFiled: July 3, 2008Publication date: June 3, 2010Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuyuki Tachi, Takeshi Narita, Kanji Mori, Satoshi Kodama, Kazuyuki Kuwano, Akira Nishimura
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Publication number: 20100102620Abstract: An object of the present invention is to obtain a vehicle wheel having a significant effect of preventing dirtying due to brake dust. A + (positively)-charged coating film in which the water contact angle is 35° or less and the product of saturated charging voltage (kV)×charge half life (sec) is 50 or less is formed on the surface of a vehicle wheel.Type: ApplicationFiled: December 14, 2007Publication date: April 29, 2010Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CENTRAL MOTOR WHEEL CO., LTD.Inventors: Takahisa Sudo, Kazuyuki Kuwano, Keiji Koike, Masayuki Iwasaki
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Aggregation-preventive aqueous dispersion slurry coating material and process for producing the same
Publication number: 20090264578Abstract: Disclosed herein is an aqueous dispersion slurry coating material which has excellent storage stability and which can provide a coating film having excellent surface smoothness. The aqueous dispersion slurry coating material includes: an aqueous medium; and contained therein, resin particles (A) comprising a first resin (a); and resin particles (B) comprising a second resin (b), wherein the value of [volume-average particle diameter DA of resin particles (A)]/[volume-average particle diameter DB of resin particles (B)] is in the range of 0.003 to 0.3. It is preferred that the value of DA is in the range of 0.001 to 3 ?m and that the value of DB is in the range of 0.3 to 10 ?m. The resin (a) preferably has a Tg of 0 to 100° C., and the resin (b) preferably has a Tg of ?50 to 50° C. The aqueous dispersion slurry coating material preferably further includes a surfactant and a curing agent.Type: ApplicationFiled: April 28, 2006Publication date: October 22, 2009Applicants: Sanyo Chemical Industries, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Masashi Minaki, Yusuke Yamamoto, Kazuyuki Kuwano, Kazuyuki Tachi, Kanji Mori -
Publication number: 20080064850Abstract: Provided is a thermosetting powder coating obtained by the following procedure: preparing a suspension by dispersing a resin solution containing an organic solvent into an aqueous solution containing a water-soluble polymer; removing the organic solvent in a dispersed phase from the suspension; solidifying particles in the dispersed phase; and removing the solidified particles in the dispersed phase from the suspension. The thermosetting powder coating is characterized in that the resin solution contains: acrylic resin containing epoxy groups and blocked isocyanate groups; and, as a curing agent, a carboxylic group- or carboxylic anhydride group-containing compound.Type: ApplicationFiled: May 30, 2005Publication date: March 13, 2008Applicants: Nippon Paint Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Daiske Kawaguchi, Hisaki Tanabe, Masami Yabuta, Kazuyuki Kuwano
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Publication number: 20080028985Abstract: This invention relates to a water-dispersed slurry coating which can provide a film excellent in water resistance and strength. The water-dispersed slurry coating comprises: (A) a particulate comprising (a1) a resin having an active hydrogen; and (B) a reactive surfactant comprising a hydrophilic moiety and a hydrophobic moiety having an aromatic ring-containing hydrocarbon group having 6 to 100 carbon atoms and having at least one group selected from the group consisting of an isocyanate group, a blocked isocyanate group and an epoxy group in the hydrophilic moiety, and having an oxyethylene group in a content of not less than 20% and not more than 97% by weight; and (a2) a curing agent according to need, in aqueous medium.Type: ApplicationFiled: December 10, 2004Publication date: February 7, 2008Inventors: Yasuhiro Shindo, Takeshi Furuta, Yusuke Yamamoto, Kazuyuki Kuwano
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Patent number: 5912052Abstract: This invention is directed to a method of pattern coating, comprising the steps of: coating a substrate with an aqueous colored coating composition comprising a neutralization product of an acrylic copolymer containing an alkoxysilyl group and a carboxyl group and a coloring pigment, using a spray device having a fine-orifice nozzle(s) to give a pattern coating layer, and coating the pattern coating layer with a clear coating composition.Type: GrantFiled: October 9, 1997Date of Patent: June 15, 1999Assignees: Toyota Jidosha Kabushiki Kaisha, Kansai Paint Company, LimitedInventors: Kazuyuki Kuwano, Mamoru Sugiura, Keita Ono, Yukiko Hayashi, Kyoichi Horibe, Hiroaki Kiyata
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Patent number: 5618898Abstract: A process for producing a polymer of excellent weatherability, which comprises reacting a polymer having a thioether bond, with a peroxide to oxidize the sulfur atom in the bond to convert it into a sulfone.Type: GrantFiled: October 5, 1994Date of Patent: April 8, 1997Assignees: Toagosei Chemical Industry Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Toyota Technological InstituteInventors: Mitsuru Nagasawa, Kazuyuki Kuwano, Takeshi Kawakami, Mamoru Sugiura, Hiroshi Hibino, Shiro Kojima, Kishiro Azuma
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Patent number: 5310813Abstract: The present invention provides a thermosetting coating resin consisting of a branched polymer, which branched polymer is obtained by copolymerizing a macromolecular monomer having a radical-polymerizable group at one end in the molecule and having a weight-average molecular weight of 1,000-10,000, with another radical-polymerizable monomer, which branched polymer contains the unit of said macromolecular monomer in a proportion of 40-99.5% by weight based on the amount of total constitutional units, which branched polymer has a cross-linkable functional group, and which branched polymer has a weight-average molecular weight of 5,000-30,000. The present invention further provides a process for producing such a thermosetting coating resin.Type: GrantFiled: April 5, 1993Date of Patent: May 10, 1994Assignees: Toagosei Chemical Industry Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Mitsuru Nagasawa, Kazuyuki Kuwano, Masataka Muramatsu, Kishiro Azuma, Hiroshi Hibino, Kazuko Nakanishi
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Patent number: 4950507Abstract: Disclosed is a metallic coating method comprising the steps of applying a color coating composition, applying a metallic coating composition containing a metallic pigment to the layer of the color coating composition and applying a clear coating composition to the layer of the metallic coating composition, the method being characterized in that the color coating composition is able to form a layer having a Munsell value of 0 to 6; that the metallic coating composition contains a metallic pigment and a vehicle as main components, the metallic pigment being iron oxide particles of hexagonal platelike shape which contain at least 80% by weight of .alpha.-iron oxide crystals; that about 90% by weight or more of the metallic pigment has a longitudinal size of about 30 .mu.m or less and 40% by weight or more of the pigment has a longitudinal size of about 5 to about 15 .mu.Type: GrantFiled: December 1, 1988Date of Patent: August 21, 1990Assignees: Toyota Jidosha Kabushiki, Kansai Paint Co., Ltd.Inventors: Shizuo Miyazaki, Kazuyuki Kuwano, Norio Fujita