Patents by Inventor Nobuhiko Narita
Nobuhiko Narita 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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Publication number: 20210086228Abstract: A laminate containing a metallic base layer and a transparent colored layer formed on the metallic base layer, wherein, when X=[(C*45)2+(C*75)2)]1/2, and Y=[(L*15)2+(C*15)2)]1/2+[(L*25)2+(C*25)2)]1/2, X is 64 or more, and Y is 191 or more; and the measured value of graininess (HG value) is 45 or less, with the proviso that C*15, C*25, C*45, and C*75 represent chroma calculated from spectral reflectances of light illuminated at an incident angle of 45 degrees with respect to the laminate and received at respective angles of 15 degrees, 25 degrees, 45 degrees, and 75 degrees deviated from the specular reflection light, and that L*15 and L*25 represent lightness calculated from spectral reflectances of light illuminated at an incident angle of 45 degrees with respect to the laminate and received at respective angles of 15 degrees and 25 degrees deviated from the specular reflection light.Type: ApplicationFiled: December 14, 2018Publication date: March 25, 2021Applicant: KANSAI PAINT CO., LTD.Inventors: Ikumi ONO, Nobuhiko NARITA, Hirokazu OKAZAKI
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Publication number: 20210078313Abstract: A laminate containing a metallic base layer and a transparent colored layer formed on the metallic base layer. The metallic base layer contains an aluminum pigment, a light-scattering component, a surface adjusting agent, and a rheology control agent, the aluminum pigment being present in an amount of 15 to 70 parts by mass, on a solids basis; and the light-scattering component being present in an amount of 5 to 55 parts by mass, on a solids basis, based on 100 parts by mass of the metallic base layer. The transparent colored layer contains a resin component, a curing agent, and a color pigment, the color pigment being present in an amount of 0.5 to 10 parts by mass, based on 100 parts by mass of the resin solids content of the transparent colored layer.Type: ApplicationFiled: December 14, 2018Publication date: March 18, 2021Applicant: KANSAI PAINT CO., LTD.Inventors: Ikumi ONO, Nobuhiko NARITA, Hirokazu OKAZAKI
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Patent number: 10898923Abstract: The present invention relates to an effect pigment dispersion comprising water, a flake aluminum pigment, and a cellulose-based rheology control agent, wherein the effect pigment dispersion contains 0.1 to 10 parts by mass of solids based on 100 parts by mass of all components thereof, the viscosity measured using a Brookfield type viscometer is 400 to 10000 mPa·sec at a rotational speed of 6 revolutions per minute, and the solids content of the flake aluminum pigment is 30 to 200 parts by mass based on 100 parts by mass of the total amount of components other than the flake aluminum pigment in the total solids content.Type: GrantFiled: February 6, 2017Date of Patent: January 26, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Masayuki Itoh, Nobuhiko Narita, Tatsuo Kuramochi, Hisashi Isaka, Hirokazu Okazaki
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Publication number: 20200398308Abstract: A method for forming a multilayer coating film, the method including the following steps (1) to (3): (1) applying a colored paint (X) to a substrate to form a colored coating film whose lightness L* value in the L*a*b* color space is 5 or less, (2) applying an effect pigment dispersion (Y) to the colored coating film formed in step (1) to form an effect coating film, and (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, wherein the effect pigment dispersion (Y) contains water, a rheology control agent (A), and a flake-effect pigment (B), the flake-effect pigment (B) being an effect pigment in which a transparent or translucent base material is coated with a metal oxide, and the effect pigment dispersion (Y) having a solids content of 0.Type: ApplicationFiled: December 27, 2018Publication date: December 24, 2020Applicant: KANSAI PAINT CO., LTD.Inventors: Hirokazu OKAZAKI, Tatsuo KURAMOCHI, Kenji SAKAI, Nobuhiko NARITA
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Publication number: 20200306794Abstract: Provided is a method for forming a multilayer coating film including the following steps (1) to (4): (1) applying a base paint (X) to a substrate to form a base coating film; (2) applying a specific effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film with a specific dry film thickness; (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film; and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to simultaneously cure these three coating films.Type: ApplicationFiled: September 28, 2018Publication date: October 1, 2020Applicant: KANSAI PAINT CO., LTD.Inventors: Tatsuo KURAMOCHI, Hirokazu OKAZAKI, Nobuhiko NARITA
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Publication number: 20200269278Abstract: A method for forming a multilayer coating film comprising the steps of: (1) applying a base paint (X) to a substrate to form a base coating film, (2) applying an effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film, (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to thereby simultaneously cure these three coating films; wherein the effect pigment dispersion (Y) contains water, a black pigment (A), a vapor deposition metal flake pigment (B), and a rheology control agent (C).Type: ApplicationFiled: September 14, 2018Publication date: August 27, 2020Applicant: KANSAI PAINT CO., LTD.Inventors: Nobuhiko NARITA, Hirokazu OKAZAKI, Tatsuo KURAMOCHI, Yuya HIRAI
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Publication number: 20200238333Abstract: The present invention relates to an effect pigment dispersion comprising water, a flake aluminum pigment, and a cellulose-based rheology control agent, wherein the effect pigment dispersion contains 0.1 to 10 parts by mass of solids based on 100 parts by mass of all components thereof, the viscosity measured using a Brookfield type viscometer is 400 to 10000 mPa·sec at a rotational speed of 6 revolutions per minute, and the solids content of the flake aluminum pigment is 30 to 200 parts by mass based on 100 parts by mass of the total amount of components other than the flake aluminum pigment in the total solids content.Type: ApplicationFiled: February 6, 2017Publication date: July 30, 2020Applicant: KANSAI PAINT CO., LTD.Inventors: Masayuki ITOH, Nobuhiko NARITA, Tatsuo KURAMOCHI, Hisashi ISAKA, Hirokazu OKAZAKI
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Publication number: 20200231101Abstract: A grommet is provided including a grommet body made of rubber-like elastic material and to be mounted on a mating component, and a center shaft configured to secure the grommet body on the mating component. The grommet body includes a cylindrical insertion portion to be inserted into a mounting hole formed on the mating component, a folded catcher formed on the leading end of the insertion portion, an umbrella-shaped head formed on the rear end of the insertion portion, and a groove-like release space defined on the inner circumferential surface of the insertion portion. The center shaft includes a shaft to be inserted into the inner circumference of the insertion portion, a folded catcher formed on the leading end of the shaft, and a head formed on the rear end of the shaft.Type: ApplicationFiled: August 10, 2018Publication date: July 23, 2020Inventor: Nobuhiko NARITA
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Patent number: 10610889Abstract: The present invention relates to a method for forming a multilayer coating film, the method comprising sequentially applying a colored coating composition (X), an effect pigment dispersion (Y), and a clear coating composition (Z) to a substrate to form an uncured colored coating film, an uncured effect coating film, and an uncured clear coating film, respectively, and heating the uncured colored coating film, the uncured effect coating film, and the uncured clear coating film to simultaneously cure these three coating films, thereby forming a multilayer coating film; wherein the effect pigment dispersion (Y) contains water, a specific surface modifier (A), a flake-effect pigment (B), and a viscosity modifier (C); and a film obtained by applying the effect pigment dispersion (Y) to a dry film thickness of 0.2 ?m has a light transmittance at a wavelength of 550 nm of 10 to 50%.Type: GrantFiled: July 29, 2016Date of Patent: April 7, 2020Assignee: KANSAI PAINT CO., LTD.Inventors: Masayuki Itoh, Kenichiro Matsunaga, Yosuke Toyoda, Tatsuo Kuramochi, Nobuhiko Narita
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Publication number: 20190001370Abstract: This invention relates to a multilayer coating film sequentially comprising, on a substrate, a colored coating film, an effect coating film, and a clear coating film, wherein the multilayer coating film has a lightness L*110 within a range of 60 to 90, the lightness L*110 being based on a spectral reflectance of light illuminated at an angle of 45 degrees with respect to the coating surface and received at an angle of 110 degrees with respect to the specularly reflected light; a 60-degree specular gloss within a range of 105 to 180, a graininess HG within a range of 10 to 40; and a flip-flop value within a range of 1.0 to 1.8.Type: ApplicationFiled: February 3, 2017Publication date: January 3, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Masayuki ITOH, Nobuhiko NARITA, Tatsuo KURAMOCHI
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Publication number: 20180214912Abstract: The present invention relates to a method for forming a multilayer coating film, the method comprising sequentially applying a colored coating composition (X), an effect pigment dispersion (Y), and a clear coating composition (Z) to a substrate to form an uncured colored coating film, an uncured effect coating film, and an uncured clear coating film, respectively, and heating the uncured colored coating film, the uncured effect coating film, and the uncured clear coating film to simultaneously cure these three coating films, thereby forming a multilayer coating film; wherein the effect pigment dispersion (Y) contains water, a specific surface modifier (A), a flake-effect pigment (B), and a viscosity modifier (C); and a film obtained by applying the effect pigment dispersion (Y) to a dry film thickness of 0.2 ?m has a light transmittance at a wavelength of 550 nm of 10 to 50%.Type: ApplicationFiled: July 29, 2016Publication date: August 2, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Masayuki ITOH, Kenichiro MATSUNAGA, Yosuke TOYODA, Tatsuo KURAMOCHI, Nobuhiko NARITA
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Patent number: 8076413Abstract: The present invention provides an aqueous metallic coating composition comprising: (A) an aqueous film-forming resin; (B) a curing agent; (C) a phosphoric acid group-containing resin having an acid value of 10 to 200 mg KOH/g and obtained by copolymerizing a phosphoric acid group-containing polymerizable unsaturated monomer (a) represented by formula (1) with other polymerizable unsaturated monomer(s) (b); (D) a nitrogen-containing compound represented by formula (2); and (E) a metallic pigment. The present invention further provides a method for forming a multilayer coating film using the aqueous metallic coating composition.Type: GrantFiled: September 27, 2007Date of Patent: December 13, 2011Assignee: Kansai Paint Co., Ltd.Inventors: Nobuhiko Narita, Shuichi Nakahara, Hiroyuki Onoyama, Hironori Tonomura, Yasushi Nakao, Yoshizumi Matsuno
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Publication number: 20090280256Abstract: The present invention provides an aqueous metallic coating composition comprising: (A) an aqueous film-forming resin; (B) a curing agent; (C) a phosphoric acid group-containing resin having an acid value of 10 to 200 mg KOH/g and obtained by copolymerizing a phosphoric acid group-containing polymerizable unsaturated monomer (a) represented by formula (1) with other polymerizable unsaturated monomer(s) (b); (D) a nitrogen-containing compound represented by formula (2); and (E) a metallic pigment. The present invention further provides a method for forming a multilayer coating film using the aqueous metallic coating composition.Type: ApplicationFiled: September 27, 2007Publication date: November 12, 2009Inventors: Nobuhiko Narita, Shuichi Nakahara, Hiroyuki Onoyama, Hironori Tonomura, Yasushi Nakao, Yoshizumi Matsuno
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Publication number: 20070237903Abstract: The present invention provides an thermosetting aqueous coating composition comprising (A) 100 parts by weight of a hydroxy- and carboxy-containing water-soluble resin having a weight average molecular weight of 500 to 200,000, a hydroxy value of 1 to 200 mg KOH/g, and an acid value of 10 to 100 mg KOH/g, and (B) 10 to 100 parts by weight of a luster pigment; the coating composition being applied so as to form a film with a thickness of 3,000 to 8,000 nm when cured; and the coating composition, when formed into a deposited coating with a solids content of 40 wt. %, having a viscosity of 4×102 to 1×104 mPa·s as measured at 20° C. and a shear rate of 0.1 sec?1.Type: ApplicationFiled: July 21, 2005Publication date: October 11, 2007Applicant: KANSAI PAINT CO., LTDInventors: Atsunao Hiwara, Nobuhiko Narita