Patents by Inventor Hideo Hata
Hideo Hata 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: 8679265Abstract: The invention provides a high-strength cold-rolled steel sheet which is improved in elongation and stretch-flangeability and exhibits more excellent formability. The high-strength cold-rolled steel sheet has a composition which contains by mass C: 0.03 to 0.30%, Si: 0.1 to 3.0%, Mn: 0.1 to 5.0%, P: 0.1% or below, S: 0.005% or below, N: 0.01% or below, and Al: 0.01 to 1.00% with the balance consisting of iron and unavoidable impurities. The high-strength cold-rolled steel sheet has a structure which comprises at least 40% (up to 100% inclusive) in terms of area fraction of tempered martensite having a hardness of 300 to 380 Hv and the balance ferrite. The cementite particles in the tempered martensite take such dispersion that 10 or more cementite particles having equivalent-circle diameters of 0.02 to less than 0.1 ?m are present per one ?m2 of the tempered martensite and three or fewer cementite particles having equivalent-circle diameters of 0.Type: GrantFiled: November 20, 2008Date of Patent: March 25, 2014Assignee: Kobe Steel, Ltd.Inventors: Toshio Murakami, Hideo Hata, Akira Ibano, Kenji Saito
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Patent number: 8609116Abstract: An object of the present invention is to provide a solid emulsified cosmetic that stably contains a large amount of a high refractive index silicone oil; gives a lustrous finish; and has a skin irregularity-correcting effect. Thus, a solid emulsified cosmetic of the present invention is characterized by comprising: (A) 4 to 18% by mass of a high refractive index silicone oil with a refractive index of 1.45 or higher at 25° C., (B) a (dimethicone/phenyl vinyl dimethicone)crosspolymer, (C) a hydrophobic or hydrophobically-treated powder, and (D) a wax.Type: GrantFiled: March 15, 2011Date of Patent: December 17, 2013Assignee: Shiseido Company, Ltd.Inventors: Kanako Yamaguchi, Yukiko Sato, Hideo Hata
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Publication number: 20130330226Abstract: This high-strength steel sheet has a component composition containing, in mass %, 0.02 to 0.3% C, 1 to 3% Si, 1.8 to 3% Mn, 0.1% or less P, 0.01% or less S, 0.001 to 0.1% Al, and 0.002 to 0.03% N, the remainder being iron and impurities. The high-strength steel sheet has a structure containing, in terms of area ratio relative to the entire structure, each of the following phases: 50 to 85% bainitic ferrite; 3% or more retained austenite (?); 10 to 45% martensite and the aforementioned retained austenite (?); and 5 to 40% ferrite. The ratio between the Mn concentration (Mn?R) in the retained austenite (?) and the average Mn concentration (Mnav) in the entire structure is 1.2 or more (Mn?R/ Mnav) based on the Mn concentration distribution obtained by means of EPMA line analysis. As a consequence, the high-strength steel sheet exhibits strength of 980 MPa or more and exerts excellent deep drawability.Type: ApplicationFiled: February 27, 2012Publication date: December 12, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Toshio Murakami, Elijah Kakiuchi, Hideo Hata, Tatsuya Asai, Naoki Mizuta
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Publication number: 20130259734Abstract: A high-strength steel sheet has a chemical composition including 0.05% to 0.3% of C, 1% to 3% of Si, 0.5% to 3% of Mn, 0% to 0.1% of P, 0% to 0.01% of S, 0.001% to 0.1% of Al, and 0.002% to 0.03% of N in mass percent; further includes iron and impurities; and has a structure including 50% to 90% of bainitic ferrite, 3% or more of retained austenite (?R), a total of 10% to 50% of martensite and the retained austenite, and 0% to 40% of polygonal ferrite in area percent based on the entire structure. The retained austenite has a carbon content (C?R) of 0.5% to 1.2% by mass. The steel sheet includes 0.3% or more of the retained austenite that is surrounded by martensite. The high-strength steel sheet has a strength of 980 MPa or more and exhibits better ductility.Type: ApplicationFiled: November 16, 2011Publication date: October 3, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Elijah Kakiuchi, Toshio Murakami, Hideo Hata, Tatsuya Asai, Naoki Mizuta
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Publication number: 20130236350Abstract: A high-strength steel sheet has a chemical composition including 0.05% to 0.3% of C, 1% to 3% of Si, 0.5% to 3% of Mn, 0% to 0.1% of P, 0.001% to 0.1% of Al, and 0.002% to 0.03% of N, in mass percent; further includes iron and impurities; and has a structure including 50% to 90% of bainitic ferrite, 5% to 20% of retained austenite (?R), a total of 10% to 50% of martensite and the retained austenite, and 0% to 40% of polygonal ferrite, in area percent based on the entire structure. The retained austenite has a carbon content (C?R) of 0.5% to 1.2% by mass, an average equivalent circle diameter of 0.2 to 2 ?m, and an average aspect ratio (maximum diameter/minimum diameter) of less than 3.0. The high-strength steel sheet excels both in elongation and deep drawability while having a strength of 980 MPa or more.Type: ApplicationFiled: November 16, 2011Publication date: September 12, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Elijah Kakiuchi, Toshio Murakami, Hideo Hata, Tatsuya Asai, Naoki Mizuta
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Patent number: 8523722Abstract: Disclosed is a pulley capable of meeting requirements for both enhancement in friction coefficient, and maintenance of abrasion resistance, required of a belt CVT (continuously variable transmission). The pulley is a pulley of the continuously variable transmission for effecting power transmission between an element and the pulley, being composed of a steel stock containing a predetermined amount of Mn, wherein the surface of the steel stock has a surface-hardened layer of either a nitriding layer or a carbonitriding layer, containing the predetermined amount of Mn, and the surface-hardened layer has properties for stably securing friction coefficient not lower than 0.115, exceeding the friction coefficient of SCr420H steel currently in use, and maintaining abrasion resistance equivalent to the abrasion resistance of the SCr420H steel, or improving the same.Type: GrantFiled: August 17, 2007Date of Patent: September 3, 2013Assignee: Kobe Steel, Ltd.Inventors: Jun Katoh, Hideo Hata, Kenji Yamamoto
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Publication number: 20130168366Abstract: In the present invention, when spot welding a cold rolled steel sheet and an aluminum alloy sheet, pre-electrification is performed ahead of time in conditions wherein the sheet thickness (ta) of the aluminum alloy sheet and the sheet thickness (ts) of the cold rolled steel sheet that are to be joined are in specific ranges, dust is not generated between the steel sheet and an electrode, and the aluminum alloy sheet side is not caused to melt, and afterwards, main spot welding is performed. The welding conditions of the main spot welding and the pre-electrification further satisfy a relational expression that is determined by each electrification condition and each sheet thickness.Type: ApplicationFiled: September 8, 2011Publication date: July 4, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Masao Kinefuchi, Hideo Hata
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Patent number: 8444777Abstract: An object of the present invention is to provide an Al—Zn—Mg—Cu 7000-series Al alloy having high ductility as well as having high strength. For attaining this purpose, an Al alloy having a structure in which an inclusion is not included is produced by reducing an amount of oxygen contained in an Al alloy that is obtained by solidifying a preform resulting from rapid solidification by preferably spray forming a molten metal of an Al—Zn—Mg—Cu 7000-series Al alloy with an inert gas. This Al alloy has, as mechanical properties at an ordinary temperature, a tensile strength of 600 MPa or more, and an elongation of 15% or more when the tensile strength is from 600 MPa or more and less than 800 MPa or an elongation of 10% or more when the tensile strength is 800 MPa or more, and is excellent in cold workability such as rollability.Type: GrantFiled: February 20, 2008Date of Patent: May 21, 2013Assignee: Kobe Steel, Ltd.Inventors: Hideo Hata, Katsura Kajihara, Shigenobu Namba, Hiroyuki Takeda, Mamoru Nagao
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Publication number: 20130045260Abstract: An object of the present invention is to provide a solid emulsified cosmetic that stably contains a large amount of a high refractive index silicone oil; gives a lustrous finish; and has a skin irregularity-correcting effect. Thus, a solid emulsified cosmetic of the present invention is characterized by comprising: (A) 4 to 18% by mass of a high refractive index silicone oil with a refractive index of 1.45 or higher at 25° C., (B) a (dimethicone/phenyl vinyl dimethicone)crosspolymer, (C) a hydrophobic or hydrophobically-treated powder, and (D) a wax.Type: ApplicationFiled: March 15, 2011Publication date: February 21, 2013Applicant: SHISEIDO COMPANY, LTD.Inventors: Kanako Yamaguchi, Yukiko Sato, SR., Hideo Hata
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Publication number: 20130022490Abstract: Disclosed is a high-strength steel plate with excellent warm workability that has a component composition comprising, in mass %, 0.05 to 0.4% C, 0.5 to 3% Si+Al, 0.5 to 3% Mn, no more than 0.15% P (not including 0%), and no more than 0.02% S (including 0%), with the remainder comprising iron and impurities, and a composition that includes a total of 45 to 80% martensite and/or bainitic ferrite in terms of the area ratio relative to the entire composition, 5 to 40% polygonal ferrite in terms of the area ratio relative to the entire composition, and 5 to 20% retained austenite in terms of the area ratio relative to the entire composition, wherein the C concentration (C?R) within said residual austenite is in the range of 0.6 mass % to less than 1.0 mass %, and that furthermore may include bainite. In the high-strength steel plate, TRIP effects are achieved to the fullest extent in warm working, and increased ductility over prior steel plates is reliably achieved.Type: ApplicationFiled: March 22, 2011Publication date: January 24, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Hideo Hata, Toshio Murakami, Yukihiro Utsumi
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Publication number: 20120263769Abstract: The present invention provides an ultraviolet absorber-including clay mineral, which allows an ultraviolet absorber to be blended, as a powder component, into cosmetic preparations, can effectively absorb a wide range of ultraviolet light, and has excellent inclusion amount and inclusion strength; and cosmetics containing the same. The ultraviolet absorber-including clay mineral is characterized in that a polybase and an anionic ultraviolet absorber are intercalated between the layers of a water-swellable clay mineral. The polybase is preferably a polymer having a nitrogen-containing group that can become a cation. The anionic ultraviolet absorber is preferably one or more selected from 2-phenylbenzimidazole-5-sulfonic acid, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid, and their sodium salts.Type: ApplicationFiled: November 16, 2010Publication date: October 18, 2012Applicant: SHISEIDO COMPANY, LTD.Inventor: Hideo Hata
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Publication number: 20120201905Abstract: The present invention provides a W/O emulsion cosmetic excellent in the feeling in use and stability. The W/O emulsion cosmetic of the present invention comprises the following components (A) to (F): (A) 0.1 to 5 mass % of polyoxyalkylene/alkyl-comodified silicone; (B) polyoxyalkylene-modified silicone, being 0.2 to 3 times in mass with respect to the component (A); (C) 5 to 50 mass % of powder; (D) 10 to 50 mass % of a volatile oil; (E) 1 to 20 mass % of ethanol; and (F) water. In addition, the dispersion stability of powder and viscosity stability of the composition can be improved, by further blending sodium glutamate or by further blending an organically modified clay mineral and diglyceryl diisostearate therein. Furthermore, if glycerin and a specific nonvolatile oil are blended therein, the moisturizing property can be improved.Type: ApplicationFiled: June 3, 2010Publication date: August 9, 2012Applicant: SHISEIDO COMPANY, LTD.Inventors: Yoriko Mune, Hideo Hata, Yukiko Sato, Katsuyuki Hasegawa
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Publication number: 20120039830Abstract: Disclosed is a process for producing a powdery cosmetic having an excellent feeling upon application, an excellent long-lasting property and excellent production efficiency. Specifically disclosed is a process for producing a powdery composition, which comprises: a slurry preparation step of mixing a powder component with a non-volatile oily component in a volatile solvent to prepare a slurry, wherein the non-volatile oily component comprises (A) an amino-modified silicone having a functional group equivalent of 1000 to 10,000 and a viscosity of 200 to 2000 mm2/s at 25° C. and (B) a lipophilic nonionic surfactant; and a drying step of drying the slurry to produce the powdery composition, wherein a drying apparatus to be used for the drying step can dry the slurry in such a manner that the slurry is divided into fine droplets by means of a mechanical shearing force and a drying gas is blown to the fine droplets.Type: ApplicationFiled: March 16, 2010Publication date: February 16, 2012Inventors: Takuma Kurahashi, Hideo Hata, Yoshito Ogura
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Publication number: 20120012231Abstract: A cold-rolled steel sheet of the present invention which has a composition containing, in terms of % by mass, C: 0.05-0.30%, Si: 3.0% or less (including 0%), Mn: 0.1-5.0%, P: 0.1% or less (including 0%), S: 0.010% or less (including 0%), and Al: 0.001-0.10%, and remainder being mainly iron, and which has a structure comprising, in terms of area ratio, 10-80% ferrite, less than 5% (including 0%) of the sum of retained austenite and martensite, and a hard phase as the remainder. The steel sheet gives a KAM value frequency distribution curve in which the relationship between the proportion of frequency having a KAM value ?0.4, XKAM?0.4°, and the area ratio of ferrite, V? satisfies XKAM?0.4°/V??0.8 and the proportion of frequency having a KAM value in the range of 0.6-0.8, XKAM=0.6-0.8° is 10-20%. In the hard phase adjoining the ferrite, cementite, grains having an equivalent circle diameter of 0.1 ?m or larger exist so that three or less such cementite grains are dispersed per ?m2 of the hard phase.Type: ApplicationFiled: April 2, 2010Publication date: January 19, 2012Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Toshio Murakami, Akira Ibano, Hideo Hata, Kenji Saito
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Publication number: 20120009434Abstract: Disclosed is a high-strength cold-rolled steel sheet which has improved stretch-flange formability while keeping excellent hydrogen embrittlement resistance. The cold-rolled steel sheet comprises 0.03 to 0.30% by mass of C, 3.0% by mass or less (including 0% by mass) of Si, more than 0.1% by mass and not more than 2.8% by mass of Mn, 0.1% by mass or less of P, 0.005% by mass or less of S, 0.01% by mass or less of N, and 0.01 to 0.50% by mass of Al. The cold-rolled steel sheet additionally comprises V in an amount of 0.001 to 1.00% by mass or one or more elements selected from Nb, Ti and Zr in the total amount of 0.01% by mass or more, with the remainder being made up by iron and unavoidable impurities, wherein the contents of one or more elements selected from Nb, Ti and Zr fulfils the requirement represented by the following formula: [% C]?[% Nb]/92.9×12?[% Ti]/47.9×12?[% Zr]/91.2×12>0.03.Type: ApplicationFiled: October 1, 2009Publication date: January 12, 2012Applicant: KABUSHIKI KAISHA KOBE SEIKO SHOInventors: Hideo Hata, Toshio Murakami, Akira Ibano, Fumio Yuse, Junichiro Kinugasa
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Patent number: 7897178Abstract: The water-swellable clay mineral laminated powder of the present invention is characterized in that a layer of ionic molecule having two or more ionic functional group is laminated on the surface of a base powder particle, and a layer of water-swellable clay mineral is laminated thereon, and the layers are sequentially laminated so that the surface charge or the ionic charge of each layer is alternately positive and negative. The water-swellable clay mineral laminated powder of the present invention can impart new functionalities to the base powder easily, as a result of that the water-swellable clay mineral is stably laminated on the surface of the base powder. And the dye/water-swellable clay mineral complex of the present invention is characterized in that polybase and/or nonionic hydrophilic polymer and dye are complexed to water-swellable clay mineral.Type: GrantFiled: January 8, 2004Date of Patent: March 1, 2011Assignee: Shiseido Co., Ltd.Inventors: Hideo Hata, Tomoyuki Katsuyama
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Publication number: 20100319141Abstract: A humic substance dispersion fluid is obtainable by at least milling at least one of a humic substance and a humic substance derivative.Type: ApplicationFiled: January 10, 2007Publication date: December 23, 2010Inventors: Yukiko Kamiya, Hideo Hata, Kenichi Sakuma, Takashi Isa, Asa Kimura
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Publication number: 20100252147Abstract: The invention provides a high-strength cold-rolled steel sheet which is improved in elongation and stretch-flangeability and exhibits more excellent formability. The high-strength cold-rolled steel sheet has a composition which contains by mass C: 0.03 to 0.30%, Si: 0.1 to 3.0%, Mn: 0.1 to 5.0%, P: 0.1% or below, S: 0.005% or below, N: 0.01% or below, and Al: 0.01 to 1.00% with the balance consisting of iron and unavoidable impurities. The high-strength cold-rolled steel sheet has a structure which comprises at least 40% (up to 100% inclusive) in terms of area fraction of tempered martensite having a hardness of 300 to 380 Hv and the balance ferrite. The cementite particles in the tempered martensite take such dispersion that 10 or more cementite particles having equivalent-circle diameters of 0.02 to less than 0.1 ?m are present per one ?m2 of the tempered martensite and three or fewer cementite particles having equivalent-circle diameters of 0.Type: ApplicationFiled: November 20, 2008Publication date: October 7, 2010Applicant: Kabushiki Kaisha Kobe Seiko SHo (Kobe Steel, Ltd.)Inventors: Toshio Murakami, Hideo Hata, Akira Ibano, Kenji Saito
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Publication number: 20100101748Abstract: An object of the present invention is to provide an Al—Zn—Mg—Cu 7000-series Al alloy having high ductility as well as having high strength. For attaining this purpose, an Al alloy having a structure in which an inclusion is not included is produced by reducing an amount of oxygen contained in an Al alloy that is obtained by solidifying a preform resulting from rapid solidification by preferably spray forming a molten metal of an Al—Zn—Mg—Cu 7000-series Al alloy with an inert gas. This Al alloy has, as mechanical properties at an ordinary temperature, a tensile strength of 600 MPa or more, and an elongation of 15% or more when the tensile strength is from 600 MPa or more and less than 800 MPa or an elongation of 10% or more when the tensile strength is 800 MPa or more, and is excellent in cold workability such as rollability.Type: ApplicationFiled: February 20, 2008Publication date: April 29, 2010Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Hideo Hata, Katsura Kajihara, Shigenobu Namba, Hiroyuki Takeda, Mamoru Nagao
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Publication number: 20100009795Abstract: Disclosed is a pulley capable of meeting requirements for both enhancement in friction coefficient, and maintenance of abrasion resistance, required of a belt CVT (continuously variable transmission). The pulley is a pulley of the continuously variable transmission for effecting power transmission between an element and the pulley, being composed of a steel stock containing a predetermined amount of Mn, wherein the surface of the steel stock has a surface-hardened layer of either a nitriding layer or a carbonitriding layer, containing the predetermined amount of Mn, and the surface-hardened layer has properties for stably securing friction coefficient not lower than 0.115, exceeding the friction coefficient of SCr420H steel currently in use, and maintaining abrasion resistance equivalent to the abrasion resistance of the SCr420H steel, or improving the same.Type: ApplicationFiled: August 17, 2007Publication date: January 14, 2010Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Jun Katoh, Hideo Hata, Kenji Yamamoto