Patents by Inventor Hiroshi Tsuchikura
Hiroshi Tsuchikura 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: 20210038364Abstract: There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A?B×1.2.Type: ApplicationFiled: January 15, 2019Publication date: February 11, 2021Applicant: Toray Industries, Inc.Inventors: Nobuaki Tanaka, Hiroshi Tsuchikura, So Kakiyama, Kazuhiro Tanahashi
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Publication number: 20210010175Abstract: A nonwoven fabric that is fabricated is described, which includes a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity conforming to ISO22007-3 (2008) of 0.060 W/m·K or less and a thermoplastic fiber B having a LOI value conforming to JIS K 7201-2 (2007) of 25 or more and having a density of more than 50 kg/m3 and less than 200 kg/m3, where the nonwoven fabric exhibits high flame-shielding performance and has a heat insulating property.Type: ApplicationFiled: March 13, 2019Publication date: January 14, 2021Applicant: Toray Industries, Inc.Inventors: Masaru Harada, Hiroshi Tsuchikura
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Publication number: 20210007838Abstract: A tubular woven fabric is useful as a transport hose for a fluid or a powder, as a protective hose for linear bodies such as wires, cables and conduits, as a tubular filter, or as a base material of a vascular prosthesis. The tubular woven fabric includes warp yarns and weft yarns interwoven with each other, the tubular woven fabric having an outer diameter with a variation of within 10% along the warp direction and satisfying the formula: (L2?L1)/L1?0.1.Type: ApplicationFiled: September 29, 2017Publication date: January 14, 2021Inventors: Nobuaki Tanaka, Hiroshi Tsuchikura, Satoshi Yamada, Yuichi Koyamatsu, Taisuke Kogawa, Yuka Sakaguchi, Kazuhiro Tanahashi
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Publication number: 20210001596Abstract: A nonwoven fabric sheet exhibiting high flame shielding performance, heat insulating property, and wear resistance is described, where the nonwoven fabric sheet is fabricated and includes at least one fire barrier layer formed of a web containing a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity conforming to ISO22007-3 (2008) of 0.060 W/m·K or less and in which the fire barrier layer is coupled with a scrim layer containing a carbide-forming heat resistant fiber B having a LOI value conforming to JIS K 7201-2 (2007) of 25 or more.Type: ApplicationFiled: March 13, 2019Publication date: January 7, 2021Applicant: Toray Industries, Inc.Inventors: Masaru Harada, Hiroshi Tsuchikura
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Publication number: 20200392657Abstract: In order to provide a non-woven fabric with excellent flame retardancy and flame shielding performance, and even also with carding process-passing and durability, there is provided a non-woven fabric including: a non-melting fiber A that has a high-temperature shrinkage ratio of 3% or less; a thermoplastic fiber B that has an LOI value of 25 or more in accordance with JIS K 7201-2 (2007); and a thermoplastic fiber C that has an LOI value of less than 25 in accordance with JIS K 7201-2 (2007) and a crimp number of 8 (crimps/25 mm) or more in accordance with JIS L 1015 (2000).Type: ApplicationFiled: February 20, 2019Publication date: December 17, 2020Applicant: Toray Industries, Inc.Inventors: Yao Chen, Masaru Harada, Hiroshi Tsuchikura
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Publication number: 20200318261Abstract: It is an object to provide a woven fabric which can stably form a folding shape superior in shape retention and followability and which can be sewn while maintaining the folding structure, and also to provide a method for manufacturing the same. There is provided a woven fabric having pleats, wherein the height of the pleats is 2 to 10 times the average diameter of yarns arranged in the same direction as the pleats.Type: ApplicationFiled: November 8, 2018Publication date: October 8, 2020Applicant: Toray Industries, Inc.Inventors: Satoshi Yamada, Nobuaki Tanaka, Hiroshi Tsuchikura
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Publication number: 20200224341Abstract: A flame resistant woven fabric has a thickness of 0.08 mm or more in accordance with the method of JIS L 1096-A (2010) and including warps and wefts, the warp and the weft each comprising: a non-melting fiber A having a high-temperature shrinkage rate of 3% or less; and a thermoplastic fiber B having an LOI value of 25 or more in accordance with JIS K 7201-2 (2007) and having a melting point lower than the ignition temperature of the non-melting fiber A; wherein the warp and the weft each have a fracture elongation of 5% or more; and wherein, in the projection area of the weave repeat of the flame resistant woven fabric, the area ratio of the non-melting fiber A is 10% or more and the area ratio of the thermoplastic fiber B is 5% or more.Type: ApplicationFiled: September 27, 2017Publication date: July 16, 2020Inventors: Masaru Harada, Hiroshi Tsuchikura
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WET NONWOVEN FABRIC CONTAINING META-ARAMID AND POLYPHENYLENE SULFIDE AND LAMINATED SHEET OF THE SAME
Publication number: 20200208351Abstract: In order to provide electrical insulating paper and an electrical insulating sheet including the same which exhibit excellent dielectric breakdown strength, excellent hygroscopic dimensional stability and thermal dimensional stability, and excellent tear strength and wear durability, a nonwoven fabric is fabricated wherein the fabric is a wet nonwoven fabric containing a meta-aramid fiber and a polyphenylene sulfide short fiber and a proportion of the polyphenylene sulfide short fiber at least partially fused in the wet nonwoven fabric is 40% or less, and the wet nonwoven fabric has a dielectric breakdown strength of 17 kV/mm or more.Type: ApplicationFiled: June 5, 2018Publication date: July 2, 2020Applicant: Toray Industries, Inc.Inventors: Masaru Harada, Hiroshi Tsuchikura -
Patent number: 10640886Abstract: A fiber-containing crystal includes a crystal body which is a crystal of a biological substance and a plurality of fibers at least partially incorporated in the crystal body; and a fiber-containing crystal includes a crystal body which is an easy-disintegrating crystal and a plurality of fibers at least partially incorporated in the crystal body.Type: GrantFiled: September 28, 2016Date of Patent: May 5, 2020Assignee: Toray Industries, Inc.Inventors: Iori Nakabayashi, Hiroshi Tsuchikura, Atsushi Kuwabara, Hiroaki Adachi
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Publication number: 20200022799Abstract: A tubular structure has succeeded in achieving excellent puncture resistance as well as maintenance of flexibility in a base by covering the base with a cover having excellent flexibility. The tubular structure includes a tubular base and a cover which covers the base, wherein the cover includes a copolymer containing a silicone monomer and a polymerizable monomer having a fluoroalkyl group(s) as monomer units.Type: ApplicationFiled: March 30, 2018Publication date: January 23, 2020Inventors: Kyohei Yamashita, Koji Kadowaki, Kazuhiro Tanahashi, Nobuaki Tanaka, Satoshi Yamada, Hiroshi Tsuchikura
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Publication number: 20190330769Abstract: Glossy fibers can be processed into woven or knitted fabric suitable for clothing applications while exhibiting a sense of deep, lustrous glossiness. The glossy fibers are characterized by having an average reflectance for the visible light region of 20% or greater, an average transmittance of 40% of less, and a contrastive glossiness of 3.0 or less.Type: ApplicationFiled: November 14, 2017Publication date: October 31, 2019Inventors: Tomohiko Matsuura, Masato Masuda, Hiroshi Tsuchikura, Shinya Nakamichi
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Publication number: 20190242037Abstract: A sliding fabric exhibits a small amount of compression in the thickness direction under load application, does not cause generation of play between members, and is superior in sliding properties and durability. The sliding fabric is configured such that fluororesin fibers (X) and other fibers (Y) are alternately arranged as warps and/or wefts on at least one side of the fabric and the amount of compression of the fabric is 25 ?m or less.Type: ApplicationFiled: October 2, 2017Publication date: August 8, 2019Inventors: Zhidan Cao, Keiichi Tonomori, Hiroshi Tsuchikura
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Publication number: 20190233988Abstract: A flame resistant knit fabric having a thickness of 0.08 mm or more in accordance with the method of JIS L 1096-A (2010) and consisting of a yarn, the yarn including: a non-melting fiber A having a high-temperature shrinkage rate of 3% or less; and a thermoplastic fiber B having an LOI value of 25 or more in accordance with JIS K 7201-2 (2007) and having a melting point lower than the ignition temperature of the non-melting fiber A; wherein the yarn has a fracture elongation of 5% or more; and wherein, in the projection area of the knit repeat of the flame resistant knit fabric, the area ratio of the non-melting fiber A is 10% or more and the area ratio of the thermoplastic fiber B is 5% or more. A flame resistant knit fabric having high flame resistance is provided.Type: ApplicationFiled: September 27, 2017Publication date: August 1, 2019Inventors: Masaru Harada, Hiroshi Tsuchikura
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Patent number: 10358750Abstract: A wear-resistant cloth has high wear resistance and is capable of exerting a long-term sliding property even under high-load environment as compared with conventional cloths. A wear-resistant multilayer fabric includes a sliding fabric and a base fabric. The sliding fabric includes polytetrafluoroethylene fibers A, the base fabric includes fibers B having creep ratio in a standard state and under 20% load of breaking strength, the creep ratio being lower than creep ratio of the polytetrafluoroethylene fibers, and the sliding fabric and the base fabric have mutual warps and/or wefts that are mutually entangled for bonding.Type: GrantFiled: July 10, 2014Date of Patent: July 23, 2019Assignee: Toray Industries, Inc.Inventors: Yuki Ninomiya, Hiroshi Tsuchikura, Koji Sugano
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Publication number: 20190177877Abstract: A fiber-containing crystal includes a crystal body which is a crystal of a biological substance and a plurality of fibers at least partially incorporated in the crystal body; and a fiber-containing crystal includes a crystal body which is an easy-disintegrating crystal and a plurality of fibers at least partially incorporated in the crystal body.Type: ApplicationFiled: September 28, 2016Publication date: June 13, 2019Inventors: Iori Nakabayashi, Hiroshi Tsuchikura, Atsushi Kuwabara, Hiroaki Adachi
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Patent number: 10251742Abstract: An artificial blood vessel is composed of a cylindrical multiple-woven fabric structure allowing only a small amount of blood leakage and can achieve both antithrombogenicity and cellular affinity. The artificial blood vessel includes a cylindrical fabric structure in which a cylindrical fabric whose inside contacts blood is arranged, wherein the cylindrical fabric is a fabric prepared by interlacing a plurality of warp yarns and a plurality of weft yarns with each other into a cylindrical shape; the warp yarns and the weft yarns constituting the cylindrical fabric include a multifilament yarn having a single yarn fineness of not more than 0.50 dtex, and are bound to an antithrombogenic material; the antithrombogenic material forms an antithrombogenic material layer having a thickness of 1 to 600 nm inside the cylindrical fabric; and the water permeability under conditions where a pressure of 16 kPa is applied to the inner surface is less than 300 mL/cm2/min.Type: GrantFiled: February 12, 2015Date of Patent: April 9, 2019Assignee: Toray Industries, Inc.Inventors: Masaki Fujita, Koji Kadowaki, Yuka Sakaguchi, Kazuhiro Tanahashi, Hiroshi Tsuchikura, Satoshi Yamada
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Publication number: 20180368524Abstract: An object of the present invention is to provide a shoe having excellent comfort. The present invention provides a shoe including an upper material that is partially or fully formed of a fiber sheet, wherein the fiber sheet exhibits specific tensile characteristics at least in one direction.Type: ApplicationFiled: December 27, 2016Publication date: December 27, 2018Inventors: Norihiko Taniguchi, Kenta Moriyasu, Emi Katayama, Yuto Shimizu, Satoshi Naruko, Hiroshi Tsuchikura
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Publication number: 20180363171Abstract: A woven fabric hardly causes yarn slippage due to friction, is excellent in abrasion resistance, has a smooth surface, and is excellent in touch feeling. The woven fabric includes a warp and a weft, at least one of the warp and the weft being at least partially a fiber (M) that is a monofilament 1, a fiber (N) crossing the fiber (M) being at least partially a multifilament 2.Type: ApplicationFiled: December 2, 2016Publication date: December 20, 2018Applicant: Toray Industries ,Inc.Inventors: Satoshi NARUKO, Hiroshi TSUCHIKURA, Ryosuke YAMAO
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Patent number: 10070949Abstract: A vascular prosthesis with tubular woven structure, the prosthesis includes an inner layer adapted to contact a blood flow, the inner layer being formed of warp and weft yarns and having a cover factor of 1800 or more, each of a warp and weft yarns including a microfiber multifilament yarn with a monofilament fineness of 0.50 dtex or less, the multifilament yarn including microfiber monofilaments having an average intersecting angle S of the monofilaments of less than 25°.Type: GrantFiled: November 26, 2014Date of Patent: September 11, 2018Assignee: Toray Industries, Inc.Inventors: Hiroshi Tsuchikura, Satoshi Yamada, Koji Kadowaki, Atsushi Kuwabara
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Publication number: 20180187351Abstract: A flame-blocking nonwoven fabric has excellent processability and high flame-blocking properties. The flame-blocking nonwoven fabric has a density of 200 kg/m3 or more and includes non-melting fibers A whose high-temperature shrinkage rate is 3% or less and whose Young's modulus multiplied by the cross-sectional area of the fibers is 2.0 N or less, and thermoplastic fibers B whose LOI value is 25 or more as determined according to JIS K 7201-2 (2007).Type: ApplicationFiled: June 28, 2016Publication date: July 5, 2018Applicant: Toray Industries, Inc.Inventors: Hiroshi Tsuchikura, Keiichi Tonomori