Patents by Inventor Noboru Hayashi
Noboru Hayashi 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: 20180105909Abstract: Provided is a forging method for highly increasing hardness of a forged product as well as suppressing a decrease in the hardness in a use environment. The forging method includes a warm-forging step (S105) of warm-forging a metallic workpiece 10 which has been solutionized; and an artificial aging step (S106) of artificially aging the workpiece 10 after the warm-forging step (S105) in advance, at equal to an environmental temperature or higher than a temperature at which a product of the workpiece is used after production. Here, an equivalent plastic strain of the workpiece that increases between before and after the warm-forging step is in the range from 0.1 to 2.5.Type: ApplicationFiled: March 17, 2016Publication date: April 19, 2018Inventors: Yukio YONEDA, Tsutomu TANAHASHI, Noboru HAYASHI, Nobuyuki TAKEHARA, Daiki MATSUMOTO
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Patent number: 8691031Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.Type: GrantFiled: June 6, 2012Date of Patent: April 8, 2014Assignees: Nippon Light Metal Co., Ltd., Honda Motor Co., Ltd., Novelis Inc.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Simon Barker, Edward Luce
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Patent number: 8425698Abstract: An aluminum alloy sheet having excellent press formability and stress corrosion cracking resistance, comprises 3.3 to 3.6 percent by weight of Mg and 0.1 to 0.2 percent by weight of Mn, furthermore, 0.05 to 0.3 percent by weight of Fe and 0.05 to 0.15 percent by weight of Si, and the remainder comprises Al and incidental impurities, wherein the sizes of intermetallic compounds is 5 ?m or less, the recrystallized grain size is 15 ?m or less in the region at a depth of 10 to 30 ?m below the sheet surface, and the surface roughness is Ra 0.2 to 0.7 ?m.Type: GrantFiled: July 30, 2004Date of Patent: April 23, 2013Assignees: Nippon Light Metal Co., Ltd, Novelis Inc., Honda Motor Co., Ltd.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Mark Gallerneault, Simon Barker
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Publication number: 20120291924Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.Type: ApplicationFiled: June 6, 2012Publication date: November 22, 2012Applicants: NIPPON LIGHT METAL CO., LTD., NOVELIS INC., HONDA MOTOR CO., LTD.Inventors: Pizhi ZHAO, Toshiya ANAMI, Ichiro OKAMOTO, Hitoshi KAZAMA, Kunihiro YASUNAGA, Noboru HAYASHI, Kevin GATENBY, Simon BARKER, Edward LUCE
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Patent number: 7943883Abstract: There is provided a method for joining an iron member and an aluminum member, the iron member including a plated layer at least on a joining side with the aluminum member; the aluminum member formed of an aluminum cladding material including an aluminum core material mainly formed of aluminum and an aluminum alloy layer with a melting point lower than that of the aluminum core material, cladded on a joining side with the iron member; the method including a step of stacking the iron member and the aluminum member, and a step of joining the iron member and the aluminum member.Type: GrantFiled: October 16, 2007Date of Patent: May 17, 2011Assignee: Honda Motor Co., Ltd.Inventors: Kazuyoshi Doira, Noboru Hayashi, Masaaki Fujimoto
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Patent number: 7833951Abstract: The invention provides a water-soluble metal working lubricant which is suitably employed particularly in press-working of aluminum material and which is excellent in both working properties and degreasing properties. The water-soluble metal working lubricant includes 85 mass % or less of water (A); 5 to 75 mass % of a metal salt of an organic carboxylic acid (B) wherein carboxylic acid residue has 8 or more carbon atoms in total and the acid/alkali ratio by mole is 1:0.5 to 1.1; 1 to 50 mass % of at least one metal salt (C) selected from among an organic phosphate ester metal salt, an organic phosphite ester metal salt, an organic phosphonate metal salt, and an organic borate ester metal salt, each having an alkyl group having 8 or more carbon atoms in total; and 10 to 80 mass % of a non-ionic surfactant (D).Type: GrantFiled: February 3, 2004Date of Patent: November 16, 2010Assignees: Honda Motor Co., Ltd., Idemitsu Kosan Co., Ltd.Inventors: Noboru Hayashi, Katsuhiko Shiotsuki, Mitsuru Osawa, Masato Kaneko, Hideo Kanamori
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Patent number: 7828357Abstract: An aluminum roof outer panel (2) is spot welded to a roof side rail (3) consisting of galvanized steel sheet. The outer panel (4) of the roof side rail is made of galvannealed steel sheet that has a favorable property but cannot be favorably welded to the aluminum roof outer panel, but the inner panel (5, 6) of the roof side rail is made of non-galvannealed steel sheet that can be favorably welded to the aluminum roof outer panel. Flanges of the outer panel (4) and inner panel (5, 6) overlap each other, and the flange of the outer panel is provided with a plurality of notches (11) along an edge of the outer panel. A corresponding flange of the roof outer panel is welded to the parts of the inner panel exposed by the notches of the outer panel.Type: GrantFiled: October 30, 2007Date of Patent: November 9, 2010Assignee: Honda Motor Co., Ltd.Inventors: Noboru Hayashi, Kazuyoshi Doira, Masaaki Fujimoto, Takayuki Yamada, Mitsuhiko Ueki, Kouji Furudate, Takuji Ishimoto
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Publication number: 20090081072Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing following components: 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, remainder being Al, the components being essential elements, and optionally up to 0.15% Cu, 0.10% Ti; winding the slab into a coil; hot-rolling or directly coiling up the slab; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment with a continuous annealing furnace; and then pre-aging the sheet. The aluminum alloy sheet has the same composition as the molten alloy, has a grain size of 10 to 25 ?m, is superior in bake hardenability, bendability, and surface quality (orange peel), and can be manufactured with low cost.Type: ApplicationFiled: May 25, 2005Publication date: March 26, 2009Applicants: NIPPON LIGHT METAL CO., LTD, HONDA MOTOR., LTD., NOVELIS INC.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Simon Barker, Edward Luce
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Publication number: 20090050608Abstract: There is provided a method for excellently joining an iron member and an aluminum member. A steel sheet (1) composed mainly of iron and an aluminum sheet (3) composed mainly of aluminum are joined, wherein the steel sheet (1) has a zinc-containing zinc plated layer (2) formed on a joining side, and the steel sheet (1) and the aluminum sheet (3) are partially stacked and spot-welded while the zinc plated layer (2) is sandwiched therebetween.Type: ApplicationFiled: October 26, 2005Publication date: February 26, 2009Inventors: Noboru Hayashi, Fumiaki Niisato, Kazuyoshi Doira
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Publication number: 20090007994Abstract: An aluminum alloy sheet having excellent press formability and stress corrosion cracking resistance, comprises 3.3 to 3.6 percent by weight of Mg and 0.1 to 0.2 percent by weight of Mn, furthermore, 0.05 to 0.3 percent by weight of Fe and 0.05 to 0.15 percent by weight of Si, and the remainder comprises Al and incidental impurities, wherein the sizes of intermetallic compounds is 5 ?m or less, the recrystallized grain size is 15 ?m or less in the region at a depth of 10 to 30 ?m below the sheet surface, and the surface roughness is Ra 0.2 to 0.7 ?m.Type: ApplicationFiled: July 30, 2004Publication date: January 8, 2009Applicants: NOVELIS INC., NIPPON LIGHT METAL CO., LTD., HONDA MOTOR CO., LTD.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Mark Gallerneault, Simon Barker
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Publication number: 20080178467Abstract: An aluminum roof outer panel (2) is spot welded to a roof side rail (3) consisting of galvanized steel sheet. The outer panel (4) of the roof side rail is made of galvannealed steel sheet that has a favorable property but cannot be favorably welded to the aluminum roof outer panel, but the inner panel (5, 6) of the roof side rail is made of non-galvannealed steel sheet that can be favorably welded to the aluminum roof outer panel. Flanges of the outer panel (4) and inner panel (5, 6) overlap each other, and the flange of the outer panel is provided with a plurality of notches (11) along an edge of the outer panel. A corresponding flange of the roof outer panel is welded to the parts of the inner panel exposed by the notches of the outer panel.Type: ApplicationFiled: October 30, 2007Publication date: July 31, 2008Applicant: HONDA MOTOR CO., LTD.Inventors: Noboru Hayashi, Kazuyoshi Doira, Masaaki Fujimoto, Takayuki Yamada, Mitsuhiko Ueki, Kouji Furudate, Takuji Ishimoto
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Publication number: 20080102308Abstract: There is provided a method for joining an iron member and an aluminum member, the iron member including a plated layer at least on a joining side with the aluminum member; the aluminum member formed of an aluminum cladding material including an aluminum core material mainly formed of aluminum and an aluminum alloy layer with a melting point lower than that of the aluminum core material, cladded on a joining side with the iron member; the method including a step of stacking the iron member and the aluminum member, and a step of joining the iron member and the aluminum member.Type: ApplicationFiled: October 16, 2007Publication date: May 1, 2008Inventors: Kazuyoshi Doira, Noboru Hayashi, Masaaki Fujimoto
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Patent number: 7338099Abstract: A bumper beam structure has a metal and molded bumper beam main body extending in a width direction of a vehicle, wherein a rear face of the main body is joined to side frames of the vehicle; and a center gusset joined to a center portion of the bumper beam main body in the length direction of the main body so as to produce a closed section at a front face of the bumper beam main body. The center gusset has a pair of support walls which are respectively adhered and fastened to upper and lower walls of the bumper beam main body in a manner such that the support walls are respectively laid over the upper and the lower walls. Preferably, in each support wall, ends in a length direction of the support wall are inclined with respect to a plane which is perpendicular to the length direction.Type: GrantFiled: November 8, 2005Date of Patent: March 4, 2008Assignee: Honda Motor Co., Ltd.Inventors: Kojiro Okabe, Katsuhiko Shiotsuki, Nobuyuki Tsuichihara, Noboru Hayashi
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Publication number: 20060240996Abstract: The invention provides a water-soluble metal working lubricant which is suitably employed particularly in press-working of aluminum material and which is excellent in both working properties and degreasing properties. The water-soluble metal working lubricant includes 85 mass % or less of water (A); 5 to 75 mass % of a metal salt of an organic carboxylic acid (B) wherein carboxylic acid residue has 8 or more carbon atoms in-total and the acid/alkali ratio by mole is 1:0.5 to 1.1; 1 to 50 mass % of at least one metal salt (C) selected from among an organic phosphate ester metal salt, an organic phosphite ester metal salt, an organic phosphonate metal salt, and an organic borate ester metal salt, each having an alkyl group having 8 or more carbon atoms in total; and 10 to 80 mass % of a non-ionic surfactant (D).Type: ApplicationFiled: February 3, 2004Publication date: October 26, 2006Applicants: Honda Motor Co., Ltd., Idemitsu Kosan Co., Ltd.Inventors: Noboru Hayashi, Katsuhiko Shiotsuki, Mitsuru Osawa, Masato Kaneko, Hideo Kanamori
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Publication number: 20060138790Abstract: A bumper beam structure has a metal and molded bumper beam main body extending in a width direction of a vehicle, wherein a rear face of the main body is joined to side frames of the vehicle; and a center gusset joined to a center portion of the bumper beam main body in the length direction of the main body so as to produce a closed section at a front face of the bumper beam main body. The center gusset has a pair of support walls which are respectively adhered and fastened to upper and lower walls of the bumper beam main body in a manner such that the support walls are respectively laid over the upper and the lower walls. Preferably, in each support wall, ends in a length direction of the support wall are inclined with respect to a plane which is perpendicular to the length direction.Type: ApplicationFiled: November 8, 2005Publication date: June 29, 2006Applicant: Honda Motor Co., Ltd.Inventors: Kojiro Okabe, Katsuhiko Shiotsuki, Nobuyuki Tsuichihara, Noboru Hayashi
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Publication number: 20050218121Abstract: The resistance welding method of different kinds of materials is the method for welding an iron material and an aluminum alloy material, and comprises the steps of: performing in advance a coating treatment at least to a portion of the aluminum alloy material, where resistance welding is performed, with any of iron and iron-base alloy and forming a surface layer; and performing resistance welding of the iron material and the aluminum alloy material through the surface layer, and the resistance welding may be any of spot welding and projection welding.Type: ApplicationFiled: March 24, 2005Publication date: October 6, 2005Inventors: Noboru Hayashi, Hitoshi Kazama, Wataru Oikawa
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Patent number: 6863747Abstract: An aluminum sheet material for automobiles is herein disclosed, having an aluminum alloy composition: (i) comprising 3.5 to 5 wt % of Si, 0.3 to 1.5 wt % of Mg, 0.4 to 1.5 wt % of Zn, 0.4 to 1.5 wt % of Cu, 0.4 to 1.5 wt % of Fe, and 0.6 to 1 wt % of Mn, and one or more members selected from the group of 0.01 to 0.2 wt % of Cr, 0.01 to 0.2 wt % of Ti, 0.01 to 0.2 wt % of Zr, and 0.01 to 0.2 wt % of V, with the balance of aluminum and unavoidable impurities, or (ii) comprising between more than 2.6 wt % and 5 wt % of Si, 0.2 to 1.0 wt % of Mg, 0.2 to 1.5 wt % of Zn, 0.2 to 1.5 wt % of Cu, 0.2 to 1.5 wt % of Fe, and between 0.05 and less than 0.6 wt % of Mn, and one or more members selected from the group of 0.01 to 0.2 wt % of Cr, 0.01 to 0.2 wt % of Ti, 0.01 to 0.2 wt % of Zr, and 0.01 to 0.2 wt % of V, with the balance of aluminum and unavoidable impurities.Type: GrantFiled: October 17, 2001Date of Patent: March 8, 2005Assignees: Furukawa-Sky Aluminum Corp., Honda Giken Kogyo Kabushiki KaishaInventors: Kazuhisa Kashiwazaki, Yoichiro Bekki, Noboru Hayashi
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Patent number: 6726785Abstract: An aluminum alloy sheet material, containing 2.6% by mass or more and less than 3.5% by mass (% by mass is simply denoted by % hereinafter) of Si, 0.05 to 0.5% of Mg, 0.5% or more and less than 1.2% of Cu, 0.6 to 1.5% of Mn, 0.5 to 1.6% of Zn, and 0.3 to 2.0% of Fe, and containing, if necessary, at least one of 0.01 to 0.2% of Cr, 0.01 to 0.2% of Zr, 0.01 to 0.2% of V, and 0.01 to 0.2% of Ti, with the balance of Al and unavoidable impurities. A method of producing the aluminum alloy sheet material, which method contains carrying out specific workings.Type: GrantFiled: May 16, 2002Date of Patent: April 27, 2004Assignees: The Furukawa Electric Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Koji Oyama, Yoichiro Bekki, Noboru Hayashi, Morio Kuroki
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Patent number: 6716390Abstract: An aluminum alloy extruded material for automotive structural members, which contains 2.6 to 5 wt % of Si, 0.15 to 0.3 wt % of Mg, 0.3 to 2 wt % of Cu, 0.05 to 1 wt % of Mn, 0.2 to 1.5 wt % of Fe, 0.2 to 2.5 wt % of Zn, 0.005 to 0.1 wt % of Cr, and 0.005 to 0.05 wt % of Ti, and satisfies relationship of the following expression (I), (Content of Mn (wt %))+0.32×(content of Fe (wt %))+0.097×(content of Si (wt %))+3.5×(content of Cr (wt %))+2.9×(content of Ti (wt %))≦1.36 (I) with the balance being made of aluminum and unavoidable impurities. A method of producing the aluminum alloy extruded material for automotive structural members, which comprises cooling with a refrigerant from outside of a die-exit side, at the time of extrusion.Type: GrantFiled: December 15, 2000Date of Patent: April 6, 2004Assignees: The Furukawa Electric Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Yoichiro Bekki, Noboru Hayashi
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Patent number: 6607615Abstract: There is disclosed an aluminum alloy extruded material for structural members of automotive bodies, which is composed of an aluminum alloy containing more than 2.6 wt % but 4.0 wt % or less of Si and more than 0.3 wt % but 1.5 wt % or less of Mg, further, (i) containing Mn, Zn, Cu, and Fe each in a given amount, or (ii) containing Zn, Cu, and Fe each in a given amount and containing at least one selected from among Mn, Cr, Zr, and V in a given amount, and the balance being made of Al and unavoidable impurities, which material has a given conductivity and a given melting start temperature. There is also disclosed a method for producing the extruded material, in which after an aluminum alloy ingot of the above composition is subjected to a homogenizing treatment at given conditions, it is cooled, heated again, and subjected to hot extrusion at given conditions.Type: GrantFiled: August 6, 1999Date of Patent: August 19, 2003Assignees: The Furukawa Electric Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Yoichiro Bekki, Kazuhisa Kashiwazaki, Nobuaki Ohara, Noboru Hayashi