Patents by Inventor Hiroki Masumoto
Hiroki Masumoto 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: 9376545Abstract: The present invention provides a resin composition which is excellent in gas-barrier properties after a hot-water treatment and excellent in handling properties without increasing viscosity of the resin composition in a melt-kneading step at forming. The invention provides a resin composition containing a thermoplastic resin (A) and a partially dehydrated product or completely dehydrated product (B) of hydrated carboxylic acid salt.Type: GrantFiled: August 7, 2009Date of Patent: June 28, 2016Assignee: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.Inventors: Shinji Okamoto, Hiroki Masumoto, Kouji Yamada, Tomonori Yoshida
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Patent number: 8039114Abstract: It is disclosed that a resin composition comprising EVOH resin (A), polyamide resin (B) and inorganic salt (C) capable of forming a hydrate wherein the content amount of the inorganic salt (C) is in the range of 2 to 50 parts by mass based on 100 parts by mass of the EVOH resin (A), and the mass ratio ((B)/(C)) of the polyamide resin (B) to the inorganic salt (C) is in the range of 95/5 to 5/95. The resin composition exhibits excellent gas barrier property and less elution of EVOH resin even after hot water treatment, and excellent long-run processability.Type: GrantFiled: January 7, 2009Date of Patent: October 18, 2011Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.Inventors: Hiroki Masumoto, Kouji Yamada
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Publication number: 20110135950Abstract: The present invention provides a resin composition which is excellent in gas-barrier properties after a hot-water treatment and excellent in handling properties without increasing viscosity of the resin composition in a melt-kneading step at forming. The invention provides a resin composition containing a thermoplastic resin (A) and a partially dehydrated product or completely dehydrated product (B) of hydrated carboxylic acid salt.Type: ApplicationFiled: August 7, 2009Publication date: June 9, 2011Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.,Inventors: Shinji Okamoto, Hiroki Masumoto, Kouji Yamada, Tomonori Yoshida
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Publication number: 20090186233Abstract: It is disclosed that a resin composition comprising EVOH resin (A), polyamide resin (B) and inorganic salt (C) capable of forming a hydrate wherein the content amount of the inorganic salt (C) is in the range of 2 to 50 parts by mass based on 100 parts by mass of the EVOH resin (A), and the mass ratio ((B)/(C)) of the polyamide resin (B) to the inorganic salt (C) is in the range of 95/5 to 5/95. The resin composition exhibits excellent gas barrier property and less elution of EVOH resin even after hot water treatment, and excellent long-run processability.Type: ApplicationFiled: January 7, 2009Publication date: July 23, 2009Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.Inventors: Hiroki MASUMOTO, Kouji YAMADA
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Patent number: 6827755Abstract: A high-strength and high-toughness ferritic steel having a tensile strength of not less than 1,000 MPA and a Charpy impact value of not less than 1 MJ/m2 is provided. A ferritic steel comprising, by weight, not more than 1% Si, not more than 1.25% Mn, 8 to 30% Cr, not more than 0.2% C, not more than 0.2% N, not more than 0.4% O, a total amount of not more than 12% of at least one compound-forming element selected from the group of Ti, Zr, Hf, V and Nb in amounts of not more than 3% Ti, not more than 6% Zr, not more than 10% Hf, not more than 1.0% V and not more than 2.0% Nb, also containing where necessary not more than 0.3% Mo, not more than 4% W and not more than 1.6% Ni, and the balance consisting of Fe and unavoidable impurities, and having an average crystal grain size of not more than 1 &mgr;m, can be obtained by a method comprising encapsulating a steel powder produced by mechanical alloying, and subjecting the encapsulated steel powder to plastic deformation.Type: GrantFiled: July 2, 2002Date of Patent: December 7, 2004Assignee: Hitachi, Ltd.Inventors: Masami Taguchi, Ryo Ishibashi, Yasuhisa Aono, Hidehiko Sumitomo, Hiroki Masumoto, Masakuni Fujikura
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Publication number: 20030133824Abstract: A high-strength and high-toughness ferritic steel having a tensile strength of not less than 1,000 MPA and a Charpy impact value of not less than 1 MJ/m2 is provided. A ferritic steel comprising, by weight, not more than 1% Si, not more than 1.25% Mn, 8 to 30% Cr, not more than 0.2% C, not more than 0.2% N, not more than 0.4% O, a total amount of not more than 12% of at least one compound-forming element selected from the group of Ti, Zr, Hf, V and Nb in amounts of not more than 3% Ti, not more than 6% Zr, not more than 10% Hf, not more than 1.0% V and not more than 2.0% Nb, also containing where necessary not more than 0.3% Mo, not more than 4% W and not more than 1.6% Ni, and the balance consisting of Fe and unavoidable impurities, and having an average crystal grain size of not more than 1 &mgr;m, can be obtained by a method comprising encapsulating a steel powder produced by mechanical alloying, and subjecting the encapsulated steel powder to plastic deformation.Type: ApplicationFiled: July 2, 2002Publication date: July 17, 2003Inventors: Masami Taguchi, Ryo Ishibashi, Yasuhisa Aono, Hidehiko Sumitomo, Hiroki Masumoto, Masakuni Fujikura
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Patent number: 5338502Abstract: A process for preparing a molded article of a hydrolyzed ethylene-vinyl acetate copolymer which includes separately melting each of a hydrolyzed ethylene-vinyl acetate copolymer and a polyolefin, admixing the melted copolymer with the melted polyolefin in a weight ratio of the hydrolyzed ethylene-vinyl acetate copolymer to the polyolefin of 30/70 to 70/30 and molding the mixture, according to which the molded article having improved flex-crack resistance, stretchability and thermoformability can be obtained with minimized deterioration of gas-impermeability.Type: GrantFiled: June 22, 1992Date of Patent: August 16, 1994Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Takamasa Moriyama, Hiroki Masumoto, Kuniyasu Kato
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Patent number: 5322877Abstract: A resin composition including (A) a saponified ethylene-vinyl acetate copolymer having an ethylene content of 20 to 60 mole percent and a saponification degree of not less than 90 mole percent, (B) a polyolefin resin, (C) a carboxylic acid-modified polyolefin resin and (D) a lower fatty acid alkaline earth metal salt, characterized in:that the proportion of (A) relative to the total amount of (A) plus (B) plus (C) is 0.3 to 0.7 on the weight basis;that the composition contains the carbonyl group in an amount of 0.002 to 0.05 equivalent per 100 grams of the total of (B) plus (C); andthat the equivalent ratio between (D) and the carbonyl group in (C) is 0.5 to 5,and a method of producing the resin composition are provided.Type: GrantFiled: March 10, 1993Date of Patent: June 21, 1994Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Takamasa Moriyama, Hiroki Masumoto, Kiniyasu Kato, Mitsuo Shibutani
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Patent number: 4426236Abstract: A method for manufacturing high strength rail having excellent weldability comprises subjecting a steel rail of specific composition to specific heat treatment conditions at the surface layer portion of the head thereof, to impart high strength to the rail and to assure that the welded portion as well as the welded heat affected zone are free from deterioration caused by the welding process. The heat treatment conditions include a cooling rate which is substantially equivalent to that in a conventional welding process so as to impart high tensile strength to the treated portion of the rail.Type: GrantFiled: January 18, 1982Date of Patent: January 17, 1984Assignee: Nippon Steel CorporationInventors: Kazuo Sugino, Hideaki Kageyama, Hiroki Masumoto
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Patent number: 4375995Abstract: A method for manufacturing high strength rail having excellent weldability comprises subjecting a steel rail of specific composition to specific heat treatment conditions at the surface layer portion of the head thereof, to impart high strength to the rail and to assure that the welded portion as well as the welded heat affected zone are free from deterioration caused by the welding process. The heat treatment conditions include a cooling rate which is substantially equivalent to that in a conventional welding process so as to impart high tensile strength to the treated portion of the rail.Type: GrantFiled: October 30, 1980Date of Patent: March 8, 1983Assignee: Nippon Steel CorporationInventors: Kazuo Sugino, Hideaki Kageyama, Hiroki Masumoto
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Patent number: 4222772Abstract: Steel plates having excellent resistance to nitrate stress corrosion cracking often encountered in hot stoves, and high temperature heating furnaces, etc., and comprising:C: 0.005-0.11%;Si: 0.1-1.0%;Mn: 0.1-2.0%;P: not more than 0.025%;S: not more than 0.025%;Cr: 2-6%;Nb: 0.01%-7(C+N)%;Al: 0.01-0.20%;(C+N): not more than 0.06%;and optionally Mo: 0.1 to 1.5%, with the balance being essentially Fe and unavoidable impurities.Type: GrantFiled: February 23, 1979Date of Patent: September 16, 1980Assignee: Nippon Steel CorporationInventors: Yasuo Sogo, Hiroki Masumoto, Kazunari Yamato, Yasuhiko Miyoshi, Tomomi Murata, Eiji Sato
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Patent number: 4189975Abstract: A screw-bolt having crest-cut-off threads with their heights progressively decreased to not more than 3/4 times the basic height in the screwing up direction at a gradient ranging from 60/100 to 3/100 over that of the axial length of the threaded part of the bolt which is located between the unthreaded part and the complete thread upon setting up engagement with a nut therefor to allow a fraction of 0.1 to 0.2 unengaged with the nut, whereby the fatigue strength is increased in terms of the endurance limit from 6 kg/mm.sup.2 for the prior art bolt and nut to more than 11 kg/mm.sup.2 independently of whether SCM 14 or SNCM 5 steel is used in making the bolt and nut.Type: GrantFiled: March 28, 1978Date of Patent: February 26, 1980Assignees: Nippon Steel Corporation, Nippon Steel Bolten Company Ltd.Inventors: Sinichi Nisida, Chikayuki Urashima, Hiroki Masumoto