Patents by Inventor Takuya AKAISHI
Takuya AKAISHI 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: 20240059834Abstract: The present invention aims to provide a thermoplastic polyester resin composition which has characteristic resin viscosity properties necessary for extrusion moldability, has excellent extrusion stability and extrusion moldability, and has flexibility optimal for in-vehicle tubes and hoses. According to the present invention, there is provided a thermoplastic polyester resin composition containing, relative to 100 parts by mass of a polyester resin component containing a polyester elastomer (a), 0.2 to 1.0 part by mass of a compound (b) having two epoxy groups, wherein the thermoplastic polyester resin composition has a z-average molecular weight Mz of 250000 or more and a Shore D hardness of 60 to 85.Type: ApplicationFiled: February 2, 2022Publication date: February 22, 2024Applicant: TOYOBO MC CorporationInventors: Junichi YASUI, Eri MORIO, Takuya AKAISHI
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Publication number: 20230390975Abstract: The present invention is to provide a thermoplastic polyester elastomer resin foam molded product which exhibits light weight, excellent rebound resilience and excellent surface smoothness.Type: ApplicationFiled: October 15, 2021Publication date: December 7, 2023Applicant: TOYOBO CO., LTD.Inventors: Kenzo OYA, Takuya AKAISHI, Eri MORIO
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Publication number: 20230383118Abstract: The present invention aims to provide a thermoplastic polyester elastomer resin composition suitable for foam molded product which exhibits light weight, excellent rebound resilience and excellent surface smoothness. The present invention provides a thermoplastic polyester elastomer resin composition for counter-pressure foam molding, containing a thermoplastic polyester elastomer and a thickener, wherein the thermoplastic polyester elastomer is prepared by bonding a hard segment and a soft segment, wherein the hard segment consists of polyester constituted from aromatic dicarboxylic acid and aliphatic and/or alicyclic diol as constituting components, wherein the soft segment is at least one member selected from a group consisting of aliphatic polyether, aliphatic polyester and aliphatic polycarbonate, wherein the thermoplastic polyester elastomer has a soft segment content of 25 to 90% by mass, and wherein a content of the thickener is 0.05 to 4.Type: ApplicationFiled: October 15, 2021Publication date: November 30, 2023Applicant: TOYOBO CO., LTD.Inventors: Kenzo OYA, Takuya AKAISHI, Eri MORIO
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Patent number: 11814476Abstract: A polyester elastomer resin composition having excellent anti-noise properties and wear resistance that achieves sustained wear resistance over a long period of time; enables lubricants to bleed out even in a low-temperature environment, so that the effects of the lubricants are maintained; and further prevents the lubricants from being dissolved in water, even when a molded article is washed with water.Type: GrantFiled: December 6, 2018Date of Patent: November 14, 2023Assignee: TOYOBO MC CORPORATIONInventors: Yuki Maeda, Takuya Akaishi
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Patent number: 11542380Abstract: According to the present invention, there is provided a foam molded product of thermoplastic polyester elastomer resin which exhibits light weight and excellent rebound resilience. The foam molded product is characterized in that, the foam molded product has a foamed layer consisting of a resin phase and an isolated foamed cell.Type: GrantFiled: June 25, 2018Date of Patent: January 3, 2023Assignee: TOYOBO CO., LTD.Inventors: Eri Morio, Takuya Akaishi
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Patent number: 11155708Abstract: The present invention relates to a polyester elastomer resin composition comprising: a thermoplastic polyester elastomer (A); a thickening agent (B); and a urea compound scavenger (C), wherein the thermoplastic polyester elastomer (A) is composed of a hard segment and a soft segment that are linked to each other; the hard segment being composed of a crystalline polyester formed from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol, the soft segment being at least one member selected from aliphatic polyethers, aliphatic polyesters, or aliphatic polycarbonates; the urea compound scavenger (C) has an amine value of 50 eq/t or more; the thickening agent (B) is present in an amount of 0 to 5 parts by mass, and the urea compound scavenger (C) is present in an amount of 0.1 to 10 parts by mass, per 100 parts by mass of the thermoplastic polyester elastomer (A).Type: GrantFiled: February 8, 2017Date of Patent: October 26, 2021Assignee: TOYOBO CO., LTD.Inventors: Takuya Akaishi, Yuki Maeda, Ryouhei Yamane
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Patent number: 11059968Abstract: A polyester elastomer resin composition that provides improved mold fouling in a continuous use for a long-term, and prevents the lowering in physical properties of polyester elatomer which causes by contacting with grease in environments exceeding 140° C. The polyester elastomer resin composition contains a thermoplastic polyester elastomer (A) prepared by bonding a hard segment and a soft segment an alicyclic polycarbodiimide compound and/or an aliphatic polycarbodiimide compound (B); and a polyamide resin (C) having an amine value of 50 to 2000 eq/tin such a ratio that (B) is in 0.1 to 5 part(s) by mass and (C) is in 0.1 to 10 part(s) by mass to 100 parts by mass of (A). The polyester elastomer resin composition has an acid value which is more than 5 eq/t and not more than 20 eq/t.Type: GrantFiled: February 26, 2018Date of Patent: July 13, 2021Assignee: TOYOBO CO., LTD.Inventors: Takuya Akaishi, Yuki Maeda, Eri Morio
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Publication number: 20210189115Abstract: The present invention relates to a polyester elastomer resin composition comprising: a thermoplastic polyester elastomer (A); a thickening agent (B); and a urea compound scavenger (C), wherein the thermoplastic polyester elastomer (A) is composed of a hard segment and a soft segment that are linked to each other; the hard segment being composed of a crystalline polyester formed from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol, the soft segment being at least one member selected from aliphatic polyethers, aliphatic polyesters, or aliphatic polycarbonates; the urea compound scavenger (C) has an amine value of 50 eq/t or more; the thickening agent (B) is present in an amount of 0 to 5 parts by mass, and the urea compound scavenger (C) is present in an amount of 0.1 to 10 parts by mass, per 100 parts by mass of the thermoplastic polyester elastomer (A).Type: ApplicationFiled: February 8, 2017Publication date: June 24, 2021Applicant: TOYOBO CO., LTD.Inventors: Takuya AKAISHI, Yuki MAEDA, Ryouhei YAMANE
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Publication number: 20200377649Abstract: A polyester elastomer resin composition having excellent anti-noise properties and wear resistance that achieves sustained wear resistance over a long period of time; enables lubricants to bleed out even in a low-temperature environment, so that the effects of the lubricants are maintained; and further prevents the lubricants from being dissolved in water, even when a molded article is washed with water.Type: ApplicationFiled: December 6, 2018Publication date: December 3, 2020Applicant: TOYOBO CO., LTD.Inventors: Yuki MAEDA, Takuya AKAISHI
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Publication number: 20200123341Abstract: According to the present invention, there is provided a foam molded product of thermoplastic polyester elastomer resin which exhibits light weight and excellent rebound resilience. The foam molded product is characterized in that, the foam molded product has a foamed layer consisting of a resin phase and an isolated foamed cell.Type: ApplicationFiled: June 25, 2018Publication date: April 23, 2020Applicant: TOYOBO CO., LTD.Inventors: Eri MORIO, Takuya AKAISHI
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Patent number: 10626270Abstract: The present invention relates to a polyester elastomer resin composition containing: (A) a thermoplastic polyester elastomer; (B) a di- or higher functional epoxy compound; (C) an organic carboxylic acid alkali metal salt having 3 to 40 carbon atoms; (D) an inorganic crystal nucleating agent; and (E) a urea compound scavenger having an amine value of 50 eq/t or more, wherein per 100 parts by mass of component (A), component (B) is present in an amount of 0.1 to 5 parts by mass, component (D) is present in an amount of 0 to 3 parts by mass, and component (E) is present in an amount of 0.1 to 5 parts by mass; component (C), on an alkali metal basis, is present in an amount of 50 to 2000 ppm in the polyester elastomer resin composition on a mass basis.Type: GrantFiled: March 2, 2017Date of Patent: April 21, 2020Assignee: TOYOBO CO., LTD.Inventors: Yuki Maeda, Takuya Akaishi
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Publication number: 20190300699Abstract: The present invention aims to improve mold fouling in a continuous use for a long-term, and to prevent lowering in physical properties of polyester elatomer which causes by contacting with grease in environments exceeding 140° C. A polyester elastomer resin composition which contains; a thermoplastic polyester elastomer (A) prepared by bonding a hard segment and a soft segment, wherein the hard segment comprises a polyester constituted from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol(s) as constituting ingredients, and wherein the soft segment is at least one member selected from a group consisting of an aliphatic polyether, an aliphatic polyester and an aliphatic polycarbonate; an alicyclic polycarbodiimide compound and/or an aliphatic polycarbodiimide compound (B); and a polyamide resin (C) having an amine value of 50 to 2000 eq/t in such a ratio that (B) is in 0.1 to 5 part(s) by mass and (C) is in 0.Type: ApplicationFiled: February 26, 2018Publication date: October 3, 2019Applicant: TOYOBO CO., LTD.Inventors: Takuya AKAISHI, Yuki MAEDA, Eri MORIO
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Publication number: 20190092940Abstract: The present invention relates to a polyester elastomer resin composition containing: (A) a thermoplastic polyester elastomer; (B) a di- or higher functional epoxy compound; (C) an organic carboxylic acid alkali metal salt having 3 to 40 carbon atoms; (D) an inorganic crystal nucleating agent; and (E) a urea compound scavenger having an amine value of 50 eq/t or more, wherein per 100 parts by mass of component (A), component (B) is present in an amount of 0.1 to 5 parts by mass, component (D) is present in an amount of 0 to 3 parts by mass, and component (E) is present in an amount of 0.1 to 5 parts by mass; component (C), on an alkali metal basis, is present in an amount of 50 to 2000 ppm in the polyester elastomer resin composition on a mass basis.Type: ApplicationFiled: March 2, 2017Publication date: March 28, 2019Applicant: TOYOBO CO., LTD.Inventors: Yuki MAEDA, Takuya AKAISHI