Patents by Inventor Hironori Tonomura
Hironori Tonomura 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: 11541420Abstract: A method for forming a multilayer coated film includes step (1) of applying an aqueous intermediate coating composition (A), step (2) of applying an aqueous base coating composition (B), step (3) of applying a clear coating composition (C), and step (4) of heat-curing the coated films. The coating composition (A) contains a specific hydroxyl group-containing acrylic resin (a1), a specific polyurethane resin (a2), a specific hydroxyl group-containing polyester resin (a3), a melamine resin (a4), and an active methylene-blocked polyisocyanate compound (a5). A ratio of the resin (a1) to the resin (a2) falls within a specific range. The heat-cured coated film of the coating composition (A) has a specific elongation at break, Young's modulus and Tukon hardness. The coating composition (C) contains a hydroxyl group-containing acrylic resin (c1) and an allophanate group-containing polyisocyanate compound (c2).Type: GrantFiled: April 25, 2019Date of Patent: January 3, 2023Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuki Matsubara, Yoshinari Matsuura, Takayuki Ono, Hironori Tonomura, Masako Hase, Hiroshi Mitsuishi, Keiji Ambo
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Publication number: 20220340765Abstract: An aqueous white conductive primer coating composition, includes: a binder component (A); and a carbon nanotube dispersion liquid (B); and a coating film formed by the aqueous white conductive primer coating composition has an L* value of whiteness based on a CIE color-matching function of 80 or more and a surface resistivity of 108 ?/? or less.Type: ApplicationFiled: September 16, 2020Publication date: October 27, 2022Applicants: KANSAI PAINT CO., LTD., TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.Inventors: Takumu HONDA, Takayuki ONO, Hironori TONOMURA, Nobuyuki NAHATA
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Patent number: 11389830Abstract: A multilayer coating film forming method to form a multilayer coating film having a glittering appearance. Forming a multilayer coating film by sequentially applying, on top of a base material, a first base coating material, a second base coating material, and a clear coating material in a wet-on-wet process, wherein: the first base coating material is a transparent or colored coating material; the second coating material contains a flaky lustrous pigment; the amount of flaky lustrous pigment being 10-60 parts by mass to 100 parts by mass of resin solid content in the second base coating material, and the concentration of solids in the coating falls being 5-20 mass % with respect to the total mass of the second base coating material; and the thickness of a coating film obtained from the second base coating material falls being 1-8 ?m on the basis of the coating film when cured.Type: GrantFiled: March 26, 2018Date of Patent: July 19, 2022Assignee: KANSAI PAINT CO., LTD.Inventors: Masahiro Omura, Hironori Tonomura
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Patent number: 10975261Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: GrantFiled: December 10, 2015Date of Patent: April 13, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Patent number: 10913868Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition that can form a multilayer coating film having excellent storage stability, excellent adhesion to plastic base materials, excellent finish, and excellent coating film performance, such as water resistance; and to also provide a coating method using the composition. The present invention provides an aqueous coating composition comprising (A) an aqueous dispersion of a modified polyolefin, (B) an aqueous acrylic resin and/or an aqueous polyester resin, and (C) a phosphoric acid compound represented by a specific formula; and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: GrantFiled: December 10, 2015Date of Patent: February 9, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Patent number: 10639672Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment, and exhibiting excellent coating film performance, such as water resistance.Type: GrantFiled: December 10, 2015Date of Patent: May 5, 2020Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Publication number: 20200061668Abstract: A multilayer coating film forming method to form a multilayer coating film having a glittering appearance. Forming a multilayer coating film by sequentially applying, on top of a base material, a first base coating material, a second base coating material, and a clear coating material in a wet-on-wet process, wherein: the first base coating material is a transparent or colored coating material; the second coating material contains a flaky lustrous pigment; the amount of flaky lustrous pigment being 10-60 parts by mass to 100 parts by mass of resin solid content in the second base coating material, and the concentration of solids in the coating falls being 5-20 mass % with respect to the total mass of the second base coating material; and the thickness of a coating film obtained from the second base coating material falls being 1-8 ?m on the basis of the coating film when cured.Type: ApplicationFiled: March 26, 2018Publication date: February 27, 2020Applicant: KANSAI PAINT CO., LTD.Inventors: Masahiro OMURA, Hironori TONOMURA
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Patent number: 10508212Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having excellent smoothness and distinctness of image, as well as excellent coating film performance, such as water resistance.Type: GrantFiled: December 10, 2015Date of Patent: December 17, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Publication number: 20190344310Abstract: A method for forming a multilayer coated film includes step (1) of applying an aqueous intermediate coating composition (A), step (2) of applying an aqueous base coating composition (B), step (3) of applying a clear coating composition (C), and step (4) of heat-curing the coated films. The coating composition (A) contains a specific hydroxyl group-containing acrylic resin (a1), a specific polyurethane resin (a2), a specific hydroxyl group-containing polyester resin (a3), a melamine resin (a4), and an active methylene-blocked polyisocyanate compound (a5). A ratio of the resin (a1) to the resin (a2) falls within a specific range. The heat-cured coated film of the coating composition (A) has a specific elongation at break, Young's modulus and Tukon hardness. The coating composition (C) contains a hydroxyl group-containing acrylic resin (c1) and an allophanate group-containing polyisocyanate compound (c2).Type: ApplicationFiled: April 25, 2019Publication date: November 14, 2019Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuki MATSUBARA, Yoshinari Matsuura, Takayuki Ono, Hironori Tonomura, Masako Hase, Hiroshi Mitsuishi, Keiji Ambo
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Publication number: 20180021810Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment, and exhibiting excellent coating film performance, such as water resistance.Type: ApplicationFiled: December 10, 2015Publication date: January 25, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20180016462Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having excellent smoothness and distinctness of image, as well as excellent coating film performance, such as water resistance.Type: ApplicationFiled: December 10, 2015Publication date: January 18, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20170369732Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: ApplicationFiled: December 10, 2015Publication date: December 28, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20170355863Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition that can form a multilayer coating film having excellent storage stability, excellent adhesion to plastic base materials, excellent finish, and excellent coating film performance, such as water resistance; and to also provide a coating method using the composition. The present invention provides an aqueous coating composition comprising (A) an aqueous dispersion of a modified polyolefin, (B) an aqueous acrylic resin and/or an aqueous polyester resin, and (C) a phosphoric acid compound represented by a specific formula; and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: ApplicationFiled: December 10, 2015Publication date: December 14, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Patent number: 8779052Abstract: This invention provides an effect pigment-containing, water-borne base coating composition comprising water-dispersible acrylic polymer particles (A) and effect pigment (B), the water-dispersible acrylic polymer particles (A) being obtained by emulsion polymerization of a radical-polymerizable unsaturated monomeric mixture including an amido-containing, radical-polymerizable unsaturated monomer having at least two radical-polymerizable unsaturated groups per molecule, and the effect pigment (B) being contained at a pigment weight concentration (PWC) within a range of 15-50%.Type: GrantFiled: October 6, 2006Date of Patent: July 15, 2014Assignee: Kansai Paint Co., Ltd.Inventors: Hironori Tonomura, Yoshizumi Matsuno, Yasushi Nakao
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Patent number: 8758896Abstract: An object of the invention is to provide a method for forming a multilayer coating film with excellent smoothness, distinctness of image, and water resistance, by a 3-coat 1-bake coating method, even when preheating after the application of an aqueous first colored coating composition is omitted.Type: GrantFiled: June 29, 2011Date of Patent: June 24, 2014Assignee: Kansai Paint Co., Ltd.Inventors: Kenji Imanaka, Yukihiro Ikeura, Hironori Tonomura, Hiroshi Kitagawa, Tatsuya Azuma
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Patent number: 8664327Abstract: The present invention provides a coating composition that is excellent in application workability, and that can form a cured coating film excellent in coating film performances such as scratch resistance, acid resistance, stain resistance, finished appearance, sagging resistance, etc. Specifically, the present invention provides a coating composition comprising an acrylic resin (A), a polyisocyanate compound (B) and a specific non-aqueous dispersion-type acrylic resin (C), wherein: the acrylic resin (A) is obtainable by copolymerization of a specific secondary hydroxyl group-containing monomer (a-1), a secondary hydroxyl group-containing polyoxyalkylene mono(meth)acrylate monomer (a-2), an isobornyl (meth)acrylate monomer (a-3) and at least one other copolymerizable unsaturated monomer (a-4), the unsaturated monomer (a-1) being used in an amount (mass) greater than that of the monomer (a-2).Type: GrantFiled: August 25, 2010Date of Patent: March 4, 2014Assignee: Kansai Paint Co., Ltd.Inventors: Koki Chiga, Hironori Tonomura, Yasushi Nakao
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Patent number: 8496996Abstract: This invention provides a method for forming brilliant multi-layered coating film excelling in brilliance, which comprises the steps of applying an effect pigment-containing water-borne base coating composition (A1) having a coating film viscosity (VA1) after 1 minute of its application of 10-500 Pa·sec onto a substrate to form a first base coating film; and applying an effect pigment-containing water-borne base coating composition (A2) having a coating film viscosity (VA2) after 1 minute of its application of 5-200 Pa·sec onto the first base coating film while the viscosity (VA3) of the first base coating film is 10-500 Pa·sec, the viscosity ratio (VA1)/(VA2) being 1.3/1-35/1.Type: GrantFiled: June 8, 2006Date of Patent: July 30, 2013Assignee: Kansai Paint Co., Ltd.Inventors: Hironori Tonomura, Yoshizumi Matsuno, Yasushi Nakao
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Publication number: 20130089731Abstract: An object of the invention is to provide a method for forming a multilayer coating film with excellent smoothness, distinctness of image, and water resistance, by a 3-coat 1-bake coating method, even when preheating after the application of an aqueous first colored coating composition is omitted.Type: ApplicationFiled: June 29, 2011Publication date: April 11, 2013Applicant: Kansai Paint Co., Ltd.Inventors: Kenji Imanaka, Yukihiro Ikeura, Hironori Tonomura, Hiroshi Kitagawa, Tatsuya Azuma
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Publication number: 20120305862Abstract: This invention provides a water-based primer composition comprising (A) an aqueous dispersion of modified polyolefin, (B) an aqueous urethane resin and/or aqueous acrylic resin, (C) a pyrazole-blocked polyisocyanate compound and (D) an electrically conducting pigment, its (C) pyrazole-blocked polyisocyanate compound content being within a range of 5-50 mass % based on the total solid content of the components (A), (B) and (C), said electrically conducting pigment (D) containing an electrically conducting metal oxide (D-1), and the content of the electrically conducting pigment (D) being within a range of 50-200 mass parts per 100 mass parts of the total solid resin content in the composition; and also methods for coating plastic shaped articles using the composition.Type: ApplicationFiled: February 3, 2011Publication date: December 6, 2012Inventors: Naoko Kasahara, Hideaki Katsuta, Yasuhiro Tomizaki, Kazutaka Ogura, Hiroshi Murata, Hironori Tonomura
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Publication number: 20120238667Abstract: The present invention provides a chipping-resistant coating composition including a hydroxyl group-containing urethane resin (A) obtained by reacting a polyol component (a) composed of a cyclic polyol compound (a1) having a nurate structure and another polyol compound (a2) with a polyisocyanate compound (b), and a curing agent (B). This chipping-resistant coating composition is capable of forming a coated film excellent in chipping resistance and water resistance. Furthermore, the present invention also provides an article coated with the chipping-resistant coating composition.Type: ApplicationFiled: December 1, 2010Publication date: September 20, 2012Inventors: Kouta Gotou, Masaaki Saika, Hironori Tonomura