Patents by Inventor Tatsuya Azuma
Tatsuya Azuma 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: 11926363Abstract: A work vehicle according to the present invention includes left and right axle cases of a rigid axle type, and left and right suspension mechanisms movable in the up-down direction relative to body frames and separately supporting the left and right axle cases, respectively. The work vehicle also includes (i) a first projection projecting downward from the left or right one of the body frames, (ii) a second projection projecting upward from that position on either the left and right axle cases or a frame body integrated with the axle cases which is opposite to the first projection in the left-right direction, and (iii) a lateral rod having a first end connected with the first projection and a second end connected with the second projection.Type: GrantFiled: June 17, 2022Date of Patent: March 12, 2024Assignee: Kubota CorporationInventors: Masahiro Azuma, Tatsuya Nagatomi
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Publication number: 20230392035Abstract: A high-solid-content coating composition includes: (A) a hydroxy group-containing acrylic resin having an acid value in a range of 0 mgKOH/g to 30 mgKOH/g; (B) a hydroxy group-containing acrylic resin having an acid value in a range of 60 mgKOH/g to 120 mgKOH/g; and (C) a polyisocyanate compound, in which a solid content at the time of coating is 50 mass % or more.Type: ApplicationFiled: November 18, 2021Publication date: December 7, 2023Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke FURUYA, Tatsuya AZUMA
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Publication number: 20230063826Abstract: Provided is a coating composition from which a coating film having excellent decontamination properties, scratch resistance, and transparency can be formed. Specifically, provided is a coating composition containing a resin (A) having a hydroxyl group and an alkoxysilyl group, a curing agent (B), and an acrylic resin-coated silica particle (C) dispersion, wherein: the acrylic resin-coated silica particle (C) dispersion is a reaction product of silica particles with a polymerizable unsaturated group (c1) and a polymerizable unsaturated monomer mixture (c2); and the polymerizable unsaturated monomer mixture (c2) contains, as at least a part of components thereof, a polymerizable unsaturated monomer having a polysiloxane structure (c21) and an alkoxysilyl group-containing polymerizable unsaturated monomer (c22).Type: ApplicationFiled: November 19, 2020Publication date: March 2, 2023Inventors: Kenji Mori, Tatsuya Azuma, Takahiro Hidaka
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Patent number: 10822516Abstract: A water-based coating composition and method for forming a multi-layer coating film by which it is possible to form a coating film 5 having excellent smoothness, image clarity, and chipping resistance in a 3C1B format. The composition is characterized by containing 7 to 60 mass % of an acrylic resin emulsion (a), 10 to 60 mass % of a film-forming resin (b), and 10 10 to 50 mass % of a curing agent (c), on the basis of the total mass of the solid resin content in the composition; the acrylic resin emulsion (a) having a core/shell structure where the core section contains, as a copolymer component, 0.1 to 10 mass % of a polymerizable unsaturated 15 monomer having two or more polymerizable unsaturated groups in one molecule, on the basis of the total mass of monomer of the core section, and the hydroxyl value of the core section is 50 to 200 mgKOH/g, and the hydroxyl value of the shell section is 50 to 200 mgKOH/g.Type: GrantFiled: April 17, 2017Date of Patent: November 3, 2020Assignee: KANSAI PAINT CO., LTD.Inventors: Tatsuya Azuma, Narihito Nakano
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Publication number: 20170216882Abstract: A water-based coating composition and method for forming a multi-layer coating film by which it is possible to form a coating film 5 having excellent smoothness, image clarity, and chipping resistance in a 3C1B format. The composition is characterized by containing 7 to 60 mass % of an acrylic resin emulsion (a), 10 to 60 mass % of a film-forming resin (b), and 10 10 to 50 mass % of a curing agent (c), on the basis of the total mass of the solid resin content in the composition; the acrylic resin emulsion (a) having a core/shell structure where the core section contains, as a copolymer component, 0.1 to 10 mass % of a polymerizable unsaturated 15 monomer having two or more polymerizable unsaturated groups in one molecule, on the basis of the total mass of monomer of the core section, and the hydroxyl value of the core section is 50 to 200 mgKOH/g, and the hydroxyl value of the shell section is 50 to 200 mgKOH/g.Type: ApplicationFiled: April 17, 2017Publication date: August 3, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Tatsuya AZUMA, Narihito NAKANO
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Publication number: 20150225596Abstract: This invention relates to an aqueous coating composition comprising an acrylic or polyester resin (A); a curing agent (B); and a blocked isocyanate group-containing urethane resin emulsion (C) having a weight average molecular weight of 2,000 to 50,000, which is prepared using a polyisocyanate component and a polyol component as starting materials, the polyisocyanate component comprising an alicyclic diisocyanate, and the polyol component comprising a polycarbonate diol in an amount of 50 mass % or more, based on the total amount of the polyol component; (i) when the component (A) is an acrylic resin, the aqueous coating composition comprising the component (C) in an amount of, as solids content, 20 to 60 mass %, based on the total solids content of the components (A), (B) and (C); and (ii) when the component (A) is a polyester resin, the aqueous coating composition comprising the component (C) in an amount of, as solids content, 10 to 50 mass %, based on the total solids content of the components (A), (B) anType: ApplicationFiled: April 16, 2015Publication date: August 13, 2015Inventors: Hiroshi KITAGAWA, Munehiro NAKATA, Daisuke TAKAYAMA, Tatsuya AZUMA, Kazuaki KITAZONO, Keiji SUGAMOTO
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Publication number: 20150111026Abstract: A water-based coating composition and method for forming a multi-layer coating film by which it is possible to form a coating film having excellent smoothness, image clarity, and chipping resistance in a 3C1B format. The composition is characterized by containing 7 to 60 mass % of an acrylic resin emulsion (a), 10 to 60 mass % of a film-forming resin (b), and 10 to 50 mass % of a curing agent (c), on the basis of the total mass of the solid resin content in the composition; the acrylic resin emulsion (a) having a core/shell structure where the core section contains, as a copolymer component, 0.1 to 10 mass % of a polymerizable unsaturated monomer having two or more polymerizable unsaturated groups in one molecule, on the basis of the total mass of monomer of the core section, and the hydroxyl value of the core section is 50 to 200 mgKOH/g, and the hydroxyl value of the shell section is 50 to 200 mgKOH/g.Type: ApplicationFiled: May 24, 2013Publication date: April 23, 2015Applicant: KANSAI PAINT CO., LTD.Inventors: Tatsuya Azuma, Narihito Nakano
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Patent number: 8993673Abstract: An object of the present invention is to provide an aqueous coating composition with excellent finished appearance and removability in bell cleaning, and a method for forming a multilayer coating film having excellent smoothness by a 3-coat-1-bake method including successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once.Type: GrantFiled: February 9, 2010Date of Patent: March 31, 2015Assignee: Kansai Paint Co., Ltd.Inventors: Hiroshi Kitagawa, Munehiro Nakata, Daisuke Takayama, Tatsuya Azuma
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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: 8580385Abstract: An object to be achieved by the present invention is to provide a method capable of forming a multilayer coating film having excellent smoothness, distinctness of image, and chipping resistance, by a 3-coat 1-bake process comprising successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once.Type: GrantFiled: January 14, 2010Date of Patent: November 12, 2013Assignee: Kansai Paint Co., Ltd.Inventors: Hiroshi Kitagawa, Munehiro Nakata, Daisuke Takayama, Tatsuya Azuma
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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: 20120107619Abstract: This invention relates to an aqueous coating composition comprising an acrylic or polyester resin (A); a curing agent (B); and a blocked isocyanate group-containing urethane resin emulsion (C) having a weight average molecular weight of 2,000 to 50,000, which is prepared using a polyisocyanate component and a polyol component as starting materials, the polyisocyanate component comprising an alicyclic diisocyanate, and the polyol component comprising a polycarbonate diol in an amount of 50 mass % or more, based on the total amount of the polyol component; (i) when the component (A) is an acrylic resin, the aqueous coating composition comprising the component (C) in an amount of, as solids content, 20 to 60 mass %, based on the total solids content of the components (A), (B) and (C); and (ii) when the component (A) is a polyester resin, the aqueous coating composition comprising the component (C) in an amount of, as solids content, 10 to 50 mass %, based on the total solids content of the components (A), (B) anType: ApplicationFiled: July 1, 2010Publication date: May 3, 2012Applicant: KANSAI PAINT CO., LTD.Inventors: Hiroshi Kitagawa, Munehiro Nakata, Daisuke Takayama, Tatsuya Azuma, Kazuaki Kitazono, Keiji Sugamoto
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Publication number: 20120021228Abstract: An object to be achieved by the present invention is to provide a method capable of forming a multilayer coating film having excellent smoothness, distinctness of image, and chipping resistance, by a 3-coat 1-bake process comprising successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once.Type: ApplicationFiled: January 14, 2010Publication date: January 26, 2012Inventors: Hiroshi Kitagawa, Munehiro Nakata, Daisuke Takayama, Tatsuya Azuma
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Publication number: 20110300389Abstract: An object of the present invention is to provide an aqueous coating composition with excellent finished appearance and removability in bell cleaning, and a method for forming a multilayer coating film having excellent smoothness by a 3-coat-1-bake method including successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once.Type: ApplicationFiled: February 9, 2010Publication date: December 8, 2011Inventors: Hiroshi Kitagawa, Munehiro Nakata, Daisuke Takayama, Tatsuya Azuma