Patents by Inventor Hiroyuki Ome
Hiroyuki Ome 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: 11692306Abstract: A multiaxial fabric resin base material includes a multiaxial fabric base material laminate impregnated with a thermosetting resin (B), the multiaxial fabric base material laminate including fiber bundle sheets layered at different angles, the fiber bundle sheets including unidirectionally aligned fiber bundles stitched with stitching yarns composed of a thermoplastic resin (A), the multiaxial fabric base material laminate being penetrated in the thickness direction by other bodies of the stitching yarns, and being stitched with the other bodies of the stitching yarns such that the yarns reciprocate at predetermined intervals along the longitudinal direction, the thermoplastic resin (A) constituting the stitching yarns having a softening point, the softening point being higher than the resin impregnation temperature of the thermosetting resin (B).Type: GrantFiled: August 1, 2019Date of Patent: July 4, 2023Assignee: Toray Industries, Inc.Inventors: Naoya Ouchiyama, Hiroyuki Ome, Akihiko Shirahase
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Patent number: 11155686Abstract: A fiber-reinforced polyamide resin base material comprises continuous reinforcing fibers, or comprises a reinforcing fiber base material in which discontinuous reinforcing fibers are dispersed, impregnated with a polyamide resin. In the polyamide resin, at least part of the polymer constituting the polyamide resin is an end-modified polyamide resin having, at an end group of the polymer, a structure constituted by a structural unit different from a repeating structural unit constituting the backbone of the polymer. A fiber-reinforced polyamide resin base material having an excellent impregnation property and thermal stability, less void, and excellent surface quality is provided.Type: GrantFiled: March 24, 2017Date of Patent: October 26, 2021Assignee: TORAY INDUSTRIES, INC.Inventors: Masayuki Koshi, Hiroyuki Ome, Ken Sudo, Kenichi Utazaki
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Publication number: 20210301462Abstract: A multiaxial fabric resin base material includes a multiaxial fabric base material laminate impregnated with a thermosetting resin (B), the multiaxial fabric base material laminate including fiber bundle sheets layered at different angles, the fiber bundle sheets including unidirectionally aligned fiber bundles stitched with stitching yarns composed of a thermoplastic resin (A), the multiaxial fabric base material laminate being penetrated in the thickness direction by other bodies of the stitching yarns, and being stitched with the other bodies of the stitching yarns such that the yarns reciprocate at predetermined intervals along the longitudinal direction, the thermoplastic resin (A) constituting the stitching yarns having a softening point, the softening point being higher than the resin impregnation temperature of the thermosetting resin (B).Type: ApplicationFiled: August 1, 2019Publication date: September 30, 2021Inventors: Naoya Ouchiyama, Hiroyuki Ome, Akihiko Shirahase
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Publication number: 20210253813Abstract: A fiber-reinforced thermoplastic resin includes a continuous fiber base material made from continuous reinforcing fibers, and a thermoplastic resin applied to the surface thereof. The thermoplastic resin coats the entire surface of the continuous fiber base material in a solidified state, and impregnates the continuous fiber base material while leaving voids therein, with these voids being formed intermittently in the direction in which the fibers are arranged. A laminate uses the fiber-reinforced thermoplastic resin base material.Type: ApplicationFiled: August 20, 2019Publication date: August 19, 2021Inventors: Masayuki Koshi, Shoma Ishida, Hiroyuki Ome
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Patent number: 10723088Abstract: A fiber-reinforced thermoplastic-resin base includes continuous reinforcing fibers aligned in parallel to each other and a thermoplastic resin is impregnated thereinto, wherein the base has a fiber volume content of 40-65 vol % and a dispersion parameter D of the fibers, determined by (i)-(iv), of 90% or more: (i) a cross-section of the fiber-reinforced thermoplastic-resin base that is perpendicular to the alignment direction of the reinforcing fibers is divided into a plurality of sections, and one of the sections is photographed, (ii) the photograph image of the section is divided into a plurality of square units each having a one-side length t, (iii) a dispersion parameter d is calculated, (iv) with respect to other sections, (i) to (iii) are repeatedly performed, and an average value of dispersion parameters d of the plurality of sections is dispersion parameter D.Type: GrantFiled: August 31, 2017Date of Patent: July 28, 2020Assignee: Toray Industries, Inc.Inventors: Masayuki Koshi, Hiroyuki Ome, Eita Konno, Shoma Ishida
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Publication number: 20200016844Abstract: A fiber-reinforced thermoplastic-resin base includes continuous reinforcing fibers aligned in parallel to each other and a thermoplastic resin is impregnated thereinto, wherein the base has a fiber volume content of 40-65 vol % and a dispersion parameter D of the fibers, determined by (i)-(iv), of 90% or more: (i) a cross-section of the fiber-reinforced thermoplastic-resin base that is perpendicular to the alignment direction of the reinforcing fibers is divided into a plurality of sections, and one of the sections is photographed, (ii) the photograph image of the section is divided into a plurality of square units each having a one-side length t, (iii) a dispersion parameter d is calculated, (iv) with respect to other sections, (i) to (iii) are repeatedly performed, and an average value of dispersion parameters d of the plurality of sections is dispersion parameter D.Type: ApplicationFiled: August 31, 2017Publication date: January 16, 2020Applicant: Toray Industries, Inc.Inventors: Masayuki KOSHI, Hiroyuki OME, Eita KONNO, Shoma ISHIDA
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Publication number: 20190071549Abstract: A fiber-reinforced polyamide resin base material comprises continuous reinforcing fibers, or comprises a reinforcing fiber base material in which discontinuous reinforcing fibers are dispersed, impregnated with a polyamide resin. In the polyamide resin, at least part of the polymer constituting the polyamide resin is an end-modified polyamide resin having, at an end group of the polymer, a structure constituted by a structural unit different from a repeating structural unit constituting the backbone of the polymer. A fiber-reinforced polyamide resin base material having an excellent impregnation property and thermal stability, less void, and excellent surface quality is provided.Type: ApplicationFiled: March 24, 2017Publication date: March 7, 2019Applicant: Toray Industries, Inc.Inventors: Masayuki Koshi, Hiroyuki Ome, Ken Sudo, Kenichi Utazaki
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Patent number: 10011759Abstract: Provided is a method of recovering gaseous hydrocarbons and/or liquid hydrocarbons from underground, characterized by using a polylactic acid) resin comprising an a poly-L-lactic acid component and a poly-D-lactic acid component and having a heat of fusion at 190° C. or higher, as measured by differential scanning calorimetry, of 20 J/g or more, wherein the underground is at a depth of 3,000 m or deeper. According to the recovery method of the present invention, shale gas, shale oil, and the like can be recovered efficiently.Type: GrantFiled: September 4, 2014Date of Patent: July 3, 2018Assignee: TORAY INDUSTRIES, INC.Inventors: Hiroyuki Ome, Tatsuya Nagano, Yoshitake Takahashi
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Patent number: 9920181Abstract: A polylactic acid resin composition includes: 0.005 parts by weight to 1.2 parts by weight of a metal phosphate represented by Formula (1): MxHyPOz??(1) (in Formula (1), M is an alkali metal atom or an alkaline earth metal atom, and x, y, and z are integers satisfying 1?x?2, 1?y?4, and 2?z?8, respectively) with respect to 100 parts by weight of a polylactic acid resin including a poly-L-lactic acid component and a poly-D-lactic acid component, wherein a crystallization enthalpy of crystals in the polylactic acid resin is not less than 5 J/g when a temperature of the polylactic acid resin composition is increased to 250° C., and the temperature is kept constant for 3 minutes, followed by decreasing the temperature at a cooling rate of 20° C./min in differential scanning calorimetry.Type: GrantFiled: September 12, 2013Date of Patent: March 20, 2018Assignee: Toray Industries, Inc.Inventors: Yoshitake Takahashi, Takuma Naotsuka, Yasuto Tachibana, Hiroyuki Ome
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Publication number: 20160194549Abstract: Provided is a method of recovering gaseous hydrocarbons and/or liquid hydrocarbons from underground, characterized by using a polylactic acid) resin comprising an a poly-L-lactic acid component and a poly-D-lactic acid component and having a heat of fusion at 190° C. or higher, as measured by differential scanning calorimetry, of 20 J/g or more, wherein the underground is at a depth of 3,000 m or deeper. According to the recovery method of the present invention, shale gas, shale oil, and the like can be recovered efficiently.Type: ApplicationFiled: September 4, 2014Publication date: July 7, 2016Applicant: TORAY INDUSTRIES, INC.Inventors: Hiroyuki OME, Tatsuya NAGANO, Yoshitake TAKAHASHI
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Publication number: 20150361212Abstract: A polylactic acid resin composition includes 100 parts by weight of a polylactic acid block copolymer constituted of a poly-L-lactic acid segment(s) containing as a major component L-lactic acid and a poly-D-lactic acid segment(s) containing as a major component D-lactic acid; and 0.05 to 2 parts by weight of a cyclic compound containing a glycidyl group or acid anhydride. The polylactic acid resin composition has better mechanical properties, durability, and heat resistance, as well as excellent wet heat properties and dry heat properties, which are given by the end-capping effect of a cyclic compound containing a glycidyl group or acid anhydride exerted on the polylactic acid resin composition.Type: ApplicationFiled: February 3, 2014Publication date: December 17, 2015Inventors: Yoshitake Takahashi, Tatsuya Nagano, Hiroyuki Ome
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Patent number: 9150690Abstract: A method of producing a polylactic acid block copolymer constituted of a segment(s) composed of L-lactic acid units and a segment(s) composed of D-lactic acid units, includes obtaining a mixture by mixing poly-L-lactic acid and poly-D-lactic acid one of which has a weight average molecular weight of 60,000 to 300,000 and the other of which has a weight average molecular weight of 10,000 to 50,000, the mixture having a weight average molecular weight of not less than 90,000 and a degree of stereocomplexation (Sc) satisfying: Sc=?Hh/(?Hl+?Hh)×100>60 (wherein ?Hh represents the heat of fusion of stereocomplex crystals (J/g), and ?Hl represents the heat of fusion of crystals of poly-L-lactic acid alone and crystals of poly-D-lactic acid alone (J/g)); and subsequently subjecting the mixture to solid-phase polymerization at a temperature lower than the melting point of the mixture.Type: GrantFiled: June 27, 2011Date of Patent: October 6, 2015Assignee: Toray Industries, Inc.Inventors: Yoshitake Takahashi, Takuma Naotsuka, Ken Sudo, Hiroyuki Ome
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Publication number: 20150259504Abstract: A polylactic acid resin composition includes: 0.005 parts by weight to 1.2 parts by weight of a metal phosphate represented by Formula (1): MxHyPOz??(1) (in Formula (1), M is an alkali metal atom or an alkaline earth metal atom, and x, y, and z are integers satisfying 1?x?2, 1?y?4, and 2?z?8, respectively) with respect to 100 parts by weight of a polylactic acid resin including a poly-L-lactic acid component and a poly-D-lactic acid component, wherein a crystallization enthalpy of crystals in the polylactic acid resin is not less than 5 J/g when a temperature of the polylactic acid resin composition is increased to 250° C., and the temperature is kept constant for 3 minutes, followed by decreasing the temperature at a cooling rate of 20° C./min in differential scanning calorimetry.Type: ApplicationFiled: September 12, 2013Publication date: September 17, 2015Inventors: Yoshitake Takahashi, Takuma Naotsuka, Yasuto Tachibana, Hiroyuki Ome
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Patent number: 9080008Abstract: The present invention is directed to a method for producing a polylactic acid resin, including the step of subjecting a crystallized prepolymer, which is a prepolymer including a lactic acid unit as a main component, and has an optical purity (Ea) of 60 to 94%, a weight average molecular weight of 5,000 to 100,000, and a crystal melting enthalpy (?Hma) of 4 to 50 J/g, to solid phase polymerization. According to the present invention, it is possible to obtain a polylactic acid resin which is excellent in moldability upon melt processing and drawdown resistance upon melt processing, and is also excellent in hydrolysis resistance.Type: GrantFiled: July 18, 2012Date of Patent: July 14, 2015Assignee: Toray Industries, Inc.Inventors: Tsuyoshi Tanaka, Sadanori Kumazawa, Hiroyuki Ome
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Patent number: 9023953Abstract: A method of producing a poly(lactic acid) resin includes carrying out direct polycondensation using lactic acid as a main raw material to prepare a crystallized prepolymer having a weight average molecular weight of 5,000 to 25,000, an enthalpy of fusion ?Hm of 50 to 65 J/g and an acid value A mol/ton satisfying (1) below: 450/(Mw/10,000?0.14)<A<950/(Mw/10,000?0.14)??(1) (wherein Mw represents weight average molecular weight of the crystallized prepolymer); and subjecting the crystallized prepolymer to solid-phase polymerization.Type: GrantFiled: June 27, 2011Date of Patent: May 5, 2015Assignee: Toray Industries, Inc.Inventors: Tatsuya Nagano, Tsuyoshi Tanaka, Hiroyuki Ome
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Patent number: 8901275Abstract: A method for producing a crystallized polyester comprises the crystallization step of applying a shear and/or a pressure to a polyester selected from an aliphatic polyester and a polyalkylene terephthalate at a temperature of (Tm?70° C.) to (Tm+20° C.), where Tm is a melting point of the polyester, thereby converting the polyester into a state having a crystallinity of 10% or more and fluidity.Type: GrantFiled: June 17, 2010Date of Patent: December 2, 2014Assignee: Toray Industries, Inc.Inventors: Mitsushige Hamaguchi, Takuma Naotsuka, Yoshitake Takahashi, Toru Takahashi, Hiroyuki Ome
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Publication number: 20140142276Abstract: The present invention is directed to a method for producing a polylactic acid resin, including the step of subjecting a crystallized prepolymer, which is a prepolymer including a lactic acid unit as a main component, and has an optical purity (Ea) of 60 to 94%, a weight average molecular weight of 5,000 to 100,000, and a crystal melting enthalpy (?Hma) of 4 to 50 J/g, to solid phase polymerization. According to the present invention, it is possible to obtain a polylactic acid resin which is excellent in moldability upon melt processing and drawdown resistance upon melt processing, and is also excellent in hydrolysis resistance.Type: ApplicationFiled: July 18, 2012Publication date: May 22, 2014Applicant: TORAY INDUSTRIES, INC.Inventors: Tsuyoshi Tanaka, Sadanori Kumazawa, Hiroyuki Ome
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Publication number: 20130197186Abstract: A method of producing a poly(lactic acid) resin includes carrying out direct polycondensation using lactic acid as a main raw material to prepare a crystallized prepolymer having a weight average molecular weight of 5,000 to 25,000, an enthalpy of fusion ?Hm of 50 to 65 J/g and an acid value A mol/ton satisfying (1) below: 450/(Mw/10,000?0.14)<A<950/(Mw/10,000?0.14) ??(1) (wherein Mw represents weight average molecular weight of the crystallized prepolymer); and subjecting the crystallized prepolymer to solid-phase polymerization.Type: ApplicationFiled: June 27, 2011Publication date: August 1, 2013Applicant: TORAY INDUSTRIES INCInventors: Tatsuya Nagano, Tsuyoshi Tanaka, Hiroyuki Ome
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Publication number: 20130165601Abstract: A polylactic acid block copolymer constituted by a poly-L-lactic acid segment(s) contains as a major component L-lactic acid and a poly-D-lactic acid segment(s) contains as a major component D-lactic acid, the polylactic acid block copolymer satisfying Inequalities (1) and (2): Sc=?Hh/(?Hl+?Hh)×100>80 (1); 1<(Tm?Tms)/(Tme?Tm)<1.8 (2). The polylactic acid block copolymer has excellent transparency, heat resistance and mechanical properties, which forms a polylactic acid stereocomplex.Type: ApplicationFiled: June 27, 2011Publication date: June 27, 2013Applicant: TORAY INDUSTRIES, INC.Inventors: Yoshitake Takahashi, Takuma Naotsuka, Ken Sudo, Hiroyuki Ome
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Publication number: 20130158209Abstract: A method of producing a polylactic acid block copolymer constituted of a segment(s) composed of L-lactic acid units and a segment(s) composed of D-lactic acid units, includes obtaining a mixture by mixing poly-L-lactic acid and poly-D-lactic acid one of which has a weight average molecular weight of 60,000 to 300,000 and the other of which has a weight average molecular weight of 10,000 to 50,000, the mixture having a weight average molecular weight of not less than 90,000 and a degree of stereocomplexation (Sc) satisfying: Sc=?Hh/(?Hl+?Hh)×100>60 (wherein ?Hh represents the heat of fusion of stereocomplex crystals (J/g), and ?Hl represents the heat of fusion of crystals of poly-L-lactic acid alone and crystals of poly-D-lactic acid alone (J/g)); and subsequently subjecting the mixture to solid-phase polymerization at a temperature lower than the melting point of the mixture.Type: ApplicationFiled: June 27, 2011Publication date: June 20, 2013Applicant: TORAY INDUSTRIES, INC.Inventors: Yoshitake Takahashi, Takuma Naotsuka, Ken Sudo, Hiroyuki Ome