Patents by Inventor Fuminobu Hirose
Fuminobu Hirose 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: 20230382624Abstract: To simply carry out packing in a constant-temperature transport package, a constant-temperature transport container includes a housing part that is provided on an outer side of a heat insulating container. The housing part is for housing a heat storage material in at least one surface selected from the group consisting of short-side surface parts, long-side surface parts, and a bottom surface part.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Applicants: KANEKA CORPORATION, TAMAIKASEI CO., LTD.Inventors: Fuminobu Hirose, Risa Narahara, Yuka Sekiya, Masatada Sakai
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Patent number: 8148439Abstract: It is intended to provide resin foamed particles having a high environmental compatibility. Furthermore, it is intended to provide an economical and easy-to-use method of producing resin foamed particles having biodegradability without using a crosslinking agent, which should be handled with care, in the step of producing foamed resin particles. It is also intended to provide a molded article made of foamed particles having an extremely high heat insulating property and a biodegradability. Thermoplastic polyester-type resin foamed particles, in which the ratio of cells with diameter of 50 ?m or less amounts to 20% or more in an arbitrary two-dimensional section of a thermoplastic polyester-type resin foamed particles, are first produced and then a molded article is produced with the use of these resin foamed particles.Type: GrantFiled: March 20, 2006Date of Patent: April 3, 2012Assignee: Meredian, Inc.Inventors: Fuminobu Hirose, Toshio Miyagawa, Kenichi Senda
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Patent number: 8076381Abstract: The object is to provide a molded product of foamed particles obtained by charging biodegradable resin foamed particles which are of vegetable origin and excellent in environmental compatibility into a mold, followed by heat molding, which molded product is not accompanied by post shrinkage after the molding with a wide range of variation of processing in the molding. Further, P3HA resin foamed particles being composed of a resin composition that comprises an isocyanate compound, and a polymer, poly(3-hydroxyalkanoate), having a recurring unit represented by the general formula (1): [—O—CHR—CH2—CO—]??(1) (wherein R represents an alkyl group represented by CnH2n+1, wherein n is an integer of from 1 to 15) produced by a microorganism are provided.Type: GrantFiled: April 10, 2006Date of Patent: December 13, 2011Assignees: Kaneka Corporation, Meredian, Inc.Inventors: Toshio Miyagawa, Fuminobu Hirose, Kenichi Senda
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Publication number: 20090215914Abstract: It is intended to provide resin foamed particles having a high environmental compatibility. Furthermore, it is intended to provide an economical and easy-to-use method of producing resin foamed particles having biodegradability without using a crosslinking agent, which should be handled with care, in the step of producing foamed resin particles. It is also intended to provide a molded article made of foamed particles having an extremely high heat insulating property and a biodegradability. Thermoplastic polyester-type resin foamed particles, in which the ratio of cells with diameter of 50 ?m or less amounts to 20% or more in an arbitrary two-dimensional section of a thermoplastic polyester-type resin foamed particles, are first produced and then a molded article is produced with the use of these resin foamed particles.Type: ApplicationFiled: March 20, 2006Publication date: August 27, 2009Applicant: Kaneka CorporationInventors: Fuminobu Hirose, Toshio Miyagawa, Kenichi Senda
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Publication number: 20090197982Abstract: An object of the present invention is to provide expanded polyhydroxyalkanoate resin beads which are satisfactory and have biodegradability, the molded product thereof, and process for producing the expanded resin beads. The object can be achieved by expanded poly(3-hydroxyalkaonate) (abbreviated to P3HA) resin beads obtained from a P3HA resin composition comprising: a copolymer which comprises repeating units of one or more kinds represented by the formula (1): [—O—CHR—CH2—CO—] (wherein R is alkyl represented by CnH2n+1, provided that n is an integer of 1-15) and is yielded by a microorganism (this copolymer is P3HA); and an isocyanate compound, and having a melt viscosity of 500 Pa·s or higher when examined under the conditions of a shear rate of 122 sec?1 and a temperature of from Tm1 to Tm2, wherein Tm1 is the melting temperature of the P3HA resin composition and Tm2=Tm1+20° C., provided that Tm2<180° C.Type: ApplicationFiled: October 26, 2006Publication date: August 6, 2009Applicant: KANEKA CORPORATIONInventors: Toshio Miyagawa, Fuminobu Hirose, Kenichi Senda
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Publication number: 20090192236Abstract: It is intended to provide polyhydroxyalkanoate resin foamed particles having a biodegradability and favorable properties, a molded article thereof and a method of producing these resin foamed particles. Namely, resin foamed particles obtained by foaming a copolymer (hereinafter referred to as poly(3-hydroxyalkanoate); abbreviated as P3HA), which is produced by a microorganism, has a weight-average molecular weight of from 50000 to 2000000 and has a repeating unit represented by the general formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by CnH2n+1 and n is an integer of from 1 to 15), a molded article formed by using these foamed particles and a method of producing these foamed particles.Type: ApplicationFiled: March 20, 2006Publication date: July 30, 2009Applicant: Kaneka CorporationInventors: Toshio Miyagawa, Fuminobu Hirose, Kenichi Senda
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Publication number: 20090176900Abstract: It is intended to provide an easy-to-use, energy-saving and economical method of producing foamed resin particles having a high environmental compatibility by using an ether, which generates neither sulfur oxide nor sot in the course of disposal and incineration and enables considerable reduction in nitrogen oxide formation, and further using a resin which originates in a plant and contributes to the carbon dioxide fixation.Type: ApplicationFiled: March 20, 2006Publication date: July 9, 2009Applicants: KANEKA CORPORATION, Meredian, Inc.Inventors: Fuminobu Hirose, Toshio Miyagawa, Kenichi Senda
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Publication number: 20090149560Abstract: The object is to provide a molded product of foamed particles obtained by charging biodegradable resin foamed particles which are of vegetable origin and excellent in environmental compatibility into a mold, followed by heat molding, which molded product is not accompanied by post shrinkage after the molding with a wide range of variation of processing in the molding. Further, P3HA resin foamed particles being composed of a resin composition that comprises an isocyanate compound, and a polymer, poly(3-hydroxyalkanoate), having a recurring unit represented by the general formula (1): [—O—CHR—CH2—CO—]??(1) (wherein R represents an alkyl group represented by CnH2n+1, wherein n is an integer of from 1 to 15) produced by a microorganism are provided.Type: ApplicationFiled: April 10, 2006Publication date: June 11, 2009Applicant: KANEKA CORPORATIONInventors: Toshio Miyagawa, Fuminobu Hirose, Kenichi Senda
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Publication number: 20090131545Abstract: An extruded foam excelling in environmental friendliness and having biodegradability; and a stable process for producing the same. There is provided a process for producing an extruded foam of P3HA resin, characterized by melt-kneading a copolymer (poly(3-hydroxyalkanoate), P3HA) having at least one type of repeating unit of the formula: —O—CHR—CH2—CO— (1) (wherein R is an alkyl group represented by CnH2n+1 and n is an integer of 1 to 15) produced by a microorganism, a volatile foaming agent, a fatty acid amide compound and/or liquid paraffin to thereby obtain a mixture and extruding the mixture through molding die into a low-pressure zone.Type: ApplicationFiled: March 15, 2006Publication date: May 21, 2009Applicants: Kaneka Corporation, Meridian, Inc.,Inventors: Fuminobu Hirose, Kenichi Senda, Toshio Miyagawa
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Publication number: 20090082484Abstract: A process for producing an extruded foam of a poly(3-hydroxyalkanoate) (P3HA) yielded from a microorganism. The foam has a high expansion ratio and a high open cell rate and is excellent in environmental compatibility and biodegradability. The process for producing an extruded P3HA resin foam comprises melt-kneading a P3HA together with a volatile foaming agent to produce a mixture and extruding the mixture through a molding die into a low-pressure region, and is characterized in that the resin temperature To at the time when the mixture of a P3HA and a volatile foaming agent is extruded from the extruder (resin temperature measured at the extruder ejection opening with a thermocouple) is in the range shown by the following relationship. Tc?20?To (° C.)?Tc+20 (Tc=(Tg+Tm)/2, wherein Tg represents the glass transition temperature of the P3HA and Tm represents the melting point of the P3HA.Type: ApplicationFiled: March 15, 2006Publication date: March 26, 2009Applicant: Kaneka CorporationInventors: Fuminobu Hirose, Kenichi Senda, Toshio Miyagawa
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Publication number: 20070123611Abstract: The present invention has for its object to obtain a composition and a molded product thereof excellent in processability, strength, impact resistance, heat resistance and water resistance and, when discarded, are biodegradable under the action of microorganisms and the like in an aerobic or anaerobic environment and, further, a plant origin composition and a molded product thereof, which can positively fix carbon dioxide on the earth. Such characteristics can hardly be attained with the above-mentioned chemically synthesized aliphatic polyesters or natural polymers such as starch. The present invention relates to a composition which comprises kenaf fibers and a poly(3-hydroxyalkanoate) produced by microorganisms and comprising a repeating unit represented by the formula (1): [—O—CHR—CH2—CO—] in the formula, R represents an alkyl group represented by CnH2n+1 with n representing an integer of 1 to 15, and a molded product thereof.Type: ApplicationFiled: December 1, 2004Publication date: May 31, 2007Applicant: KANEKA CORPORATIONInventors: Fuminobu Hirose, Toshio Miyagawa, Kenichi Senda, Yasushi Noda
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Patent number: 6762212Abstract: An extruded styrene resin foam obtained by extrusion-foaming of a styrene resin and excellent in environmental compatibility and excellent in flame retardant property and thermal insulating property, characterized in that it contains, as a blowing agent, 100 to 10% by weight of at least one of saturated hydrocarbons having 3 to 5 carbons and 0 to 90% by weight of other blowing agent, based on the total amount of the blowing agent, and contains (A) a halogenated flame retardant and (B) at least one compound selected from the group consisting of phosphorus type flame retardants containing nitrogen atom in a molecule, tetrazole compounds, cyanuric acid and derivatives thereof, isocyanuric acid and derivatives thereof, metal borates, and boron oxides.Type: GrantFiled: February 5, 2003Date of Patent: July 13, 2004Assignee: Kaneka CorporationInventors: Youichi Oohara, Fuminobu Hirose, Takeshi Sato, Hiroshi Fujiwara, Toru Yoshida
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Publication number: 20030191203Abstract: An extruded styrene resin foam obtained by extrusion-foaming of a styrene resin and excellent in environmental compatibility and excellent in flame retardant property and thermal insulating property, characterized in that it contains, as a blowing agent, 100 to 10% by weight of at least one of saturated hydrocarbons having 3 to 5 carbons and 0 to 90 % by weight of other blowing agent, based on the total amount of the blowing agent, and contains (A) a halogenated flame retardant and (B) at least one compound selected from the group consisting of phosphorus type flame retardants containing nitrogen atom in a molecule, tetrazole compounds, cyanuric acid and derivatives thereof, isocyanuric acid and derivatives thereof, metal borates, and boron oxides.Type: ApplicationFiled: February 5, 2003Publication date: October 9, 2003Applicant: Kaneka CorporationInventors: Youichi Oohara, Fuminobu Hirose, Takeshi Sato, Hiroshi Fujiwara, Toru Yoshida
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Patent number: 6569912Abstract: An extruded styrene resin foam obtained by extrusion-foaming of a styrene resin and excellent in environmental compatibility and excellent in flame retardant property and thermal insulating property, characterized in that it contains, as a blowing agent, 100 to 10% by weight of at least one of saturated hydrocarbons having 3 to 5 carbons and 0 to 90% by weight of other blowing agent, based on the total amount of the blowing agent, and contains (A) a halogenated flame retardant and (B) at least one compound selected from the group consisting of phosphorus type flame retardants containing nitrogen atom in a molecule, tetrazole compounds, cyanuric acid and derivatives thereof, isocyanuric acid and derivatives thereof, metal borates, and boron oxides.Type: GrantFiled: June 27, 2001Date of Patent: May 27, 2003Assignee: Kaneka CorporationInventors: Youichi Oohara, Fuminobu Hirose, Takeshi Sato, Hiroshi Fujiwara, Toru Yoshida
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Patent number: 6315932Abstract: An extrusion foaming method for obtaining a styrene resin foam by introducing a blowing agent into the resin under pressure by which a foam having excellent heat insulating property and compressive strength can be produced with excellent stability using a blowing agent which is as environmentally safe as possible, characterized in that a foam is obtained by using a blowing agent comprising mainly less than 40% by weight and 5% by weight or more of an ether, and more than 60% by weight and not more than 95% by weight of a saturated hydrocarbon having 3 to 5 carbon atoms, based on the entire amount of the blowing agent, or as required, by using a blowing agent wherein a part of the saturated hydrocarbon in the foregoing blowing agent is replaced by a fluorinated hydrocarbon with concern for the environment, and preferably in that the ratio Z/X of cells constituting the foam wherein X is the average cell size in the direction of extrusion and Z is the average cell size in the direction of thickness is adjusted tType: GrantFiled: August 23, 1999Date of Patent: November 13, 2001Assignee: Kaneka CorporationInventors: Hiroshi Fujiwara, Hiroshi Kobayashi, Fuminobu Hirose