Patents by Inventor Shingo Nagamine
Shingo Nagamine 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: 11749823Abstract: A method for manufacturing a fuel cell stack body includes a step of forming a plurality of line-shaped separator cross-sectional patterns. In the patterns, a first direction along the build surface is the stacking direction, and a second direction orthogonal to the first direction is the planar direction of the separators. The patterns extend in the second direction and meander so as to have convexities and concavities in the first direction. The manufacturing method further includes a step of forming the electrolyte membrane cross-sectional pattern and a step of forming the electrode cross-sectional patterns. These steps are repeated to perform stacking in a direction perpendicular to the build surface.Type: GrantFiled: September 15, 2021Date of Patent: September 5, 2023Assignee: Honda Motor Co., Ltd.Inventor: Shingo Nagamine
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Publication number: 20220085400Abstract: A method for manufacturing a fuel cell stack body includes a step of forming a plurality of line-shaped separator cross-sectional patterns. In the patterns, a first direction along the build surface is the stacking direction, and a second direction orthogonal to the first direction is the planar direction of the separators. The patterns extend in the second direction and meander so as to have convexities and concavities in the first direction. The manufacturing method further includes a step of forming the electrolyte membrane cross-sectional pattern and a step of forming the electrode cross-sectional patterns. These steps are repeated to perform stacking in a direction perpendicular to the build surface.Type: ApplicationFiled: September 15, 2021Publication date: March 17, 2022Inventor: Shingo NAGAMINE
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Patent number: 11047052Abstract: The present invention provides a resin plating method using an etching bath containing manganese as an active ingredient, the method being capable of maintaining stable etching performance even during continuous use. The resin plating method includes: an etching step, which uses a resin material-containing article as an object to be treated and etches the article using an acidic etching bath containing manganese; a catalyst application step, which uses palladium as a catalyst metal; and an electroless plating step; and the method further includes a step of maintaining the palladium concentration in the acidic etching bath at 100 mg/L or less.Type: GrantFiled: April 24, 2015Date of Patent: June 29, 2021Assignee: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Shingo Nagamine, Koji Kita, Kuniaki Otsuka
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Publication number: 20200407854Abstract: The present invention provides a pretreatment composition for electroless plating, a pretreatment method, and an electroless plating method that exhibit high plating deposition performance without using harmful chromic acid and expensive palladium, while reducing the number of steps. The present invention provides a pretreatment composition for electroless plating that contains 10 mg/L or more of manganese ions and 10 mg/L or more of monovalent silver ions.Type: ApplicationFiled: May 23, 2018Publication date: December 31, 2020Applicant: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Shingo Nagamine, Koji Kita
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Patent number: 9920416Abstract: The present invention provides a blackening treatment method for a black Cr—Co alloy plating film, the method comprising bringing a black Cr—Co alloy plating film having a Cr content of 1 to 15 wt. % into contact with a blackening treatment solution comprising an aqueous solution with a pH value of ?1 to 5. According to the present invention, the blackish color of a less blackish plating film formed from a plating bath containing trivalent chromium is enhanced to further improve decorativeness. Furthermore, the corrosion resistance of the film can be more improved by performing electrolytic chromate treatment after blackening treatment.Type: GrantFiled: April 18, 2013Date of Patent: March 20, 2018Assignee: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Junichi Katayama, Shingo Nagamine, Ryuichi Tamura
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Publication number: 20170159183Abstract: The present invention provides a resin plating method using an etching bath containing manganese as an active ingredient, the method being capable of maintaining stable etching performance even during continuous use. The resin plating method includes: an etching step, which uses a resin material-containing article as an object to be treated and etches the article using an acidic etching bath containing manganese; a catalyst application step, which uses palladium as a catalyst metal; and an electroless plating step; and the method further includes a step of maintaining the palladium concentration in the acidic etching bath at 100 mg/L or less.Type: ApplicationFiled: April 24, 2015Publication date: June 8, 2017Applicant: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Shingo Nagamine, Koji Kita, Kuniaki Otsuka
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Patent number: 9657226Abstract: The present invention provides a composition for etching treatment of a resin material, the composition comprising an aqueous solution having a permanganate ion concentration of 0.2 mmol/L or more and a total acid concentration of 10 mol/L or more, and the aqueous solution satisfying at least one of the following conditions (1) to (3): (1) containing an organic sulfonic acid in an amount of 1.5 mol/L or more, (2) setting the divalent manganese ion molar concentration to 15 or more times higher than the permanganate ion molar concentration, and (3) setting the addition amount of an anhydrous magnesium salt to 0.1 to 1 mol/L. The composition for etching treatment of the present invention is a composition containing no hexavalent chromium and having excellent etching performance and good bath stability.Type: GrantFiled: October 16, 2014Date of Patent: May 23, 2017Assignee: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Shingo Nagamine, Koji Kita, Kuniaki Otsuka
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Publication number: 20150344777Abstract: The present invention provides a composition for etching treatment of a resin material, the composition comprising an aqueous solution having a permanganate ion concentration of 0.2 mmol/L or more and a total acid concentration of 10 mol/L or more, and the aqueous solution satisfying at least one of the following conditions (1) to (3): (1) containing an organic sulfonic acid in an amount of 1.5 mol/L or more, (2) setting the divalent manganese ion molar concentration to 15 or more times higher than the permanganate ion molar concentration, and (3) setting the addition amount of an anhydrous magnesium salt to 0.1 to 1 mol/L. The composition for etching treatment of the present invention is a composition containing no hexavalent chromium and having excellent etching performance and good bath stability.Type: ApplicationFiled: October 16, 2014Publication date: December 3, 2015Applicant: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Shingo Nagamine, Koji Kita, Kuniaki Otsuka
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Publication number: 20150090368Abstract: The present invention provides a blackening treatment method for a black Cr—Co alloy plating film, the method comprising bringing a black Cr—Co alloy plating film having a Cr content of 1 to 15 wt. % into contact with a blackening treatment solution comprising an aqueous solution with a pH value of ?1 to 5. According to the present invention, the blackish color of a less blackish plating film formed from a plating bath containing trivalent chromium is enhanced to further improve decorativeness. Furthermore, the corrosion resistance of the film can be more improved by performing electrolytic chromate treatment after blackening treatment.Type: ApplicationFiled: April 18, 2013Publication date: April 2, 2015Applicant: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Junichi Katayama, Shingo Nagamine, Ryuichi Tamura
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Patent number: 6086103Abstract: A structure arranged under a floor panel for mounting a tank to be charged with a pressurized-fuel such as natural gas and liquefied petroleum gas in a motorcar of front engine --front drive type is provided. The pressurized-fuel tank installation structure in a motorcar includes a chassis frame formed in a frame-shape for surrounding and supporting the pressurized-fuel tank and attached to a lower surface of the car-body from underside of the floor panel, the pressurized-fuel tank being positioned in the frame-shape and fitted to the chassis frame integrally; a rear wheel suspension provided on the chassis frame; and a pipe arranged along a lower surface of the floor panel for connecting the pressurized-fuel tank and an internal combustion engine with each other.Type: GrantFiled: May 8, 1997Date of Patent: July 11, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masami Fukagawa, Masayuki Sano, Shingo Nagamine, Hideya Miyashiro