Patents by Inventor Yasunori Yuuki
Yasunori Yuuki 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: 9455072Abstract: An object of the present invention is to provide an elastic signal transmission cable having a length of several centimeters to several meters that has a shape deformation tracking ability and enables high-speed signal transmission. The inventive elastic signal transmission cable has an elasticity of 10% or more and transmission loss of 10 dB/m or less in a relaxed state at 250 MHz, and comprises an elastic cylindrical body having an elasticity of 10% or more and a conductor portion containing at least two conductor wires wound in the same direction around the elastic cylindrical body.Type: GrantFiled: February 5, 2015Date of Patent: September 27, 2016Assignee: ASAHI KASEI FIBERS CORPORATIONInventors: Shunji Tatsumi, Yasunori Yuuki, Hiroyuki Makino
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Publication number: 20150155076Abstract: An object of the present invention is to provide an elastic signal transmission cable having a length of several centimeters to several meters that has a shape deformation tracking ability and enables high-speed signal transmission. The inventive elastic signal transmission cable has an elasticity of 10% or more and transmission loss of 10 dB/m or less in a relaxed state at 250 MHz, and comprises an elastic cylindrical body having an elasticity of 10% or more and a conductor portion containing at least two conductor wires wound in the same direction around the elastic cylindrical body.Type: ApplicationFiled: February 5, 2015Publication date: June 4, 2015Inventors: Shunji TATSUMI, Yasunori YUUKI, Hiroyuki MAKINO
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Patent number: 8969724Abstract: An object of the present invention is to provide an elastic signal transmission cable having a length of several centimeters to several meters that has a shape deformation tracking ability and enables high-speed signal transmission. The inventive elastic signal transmission cable has an elasticity of 10% or more and transmission loss of 10 dB/m or less in a relaxed state at 250 MHz, and comprises an elastic cylindrical body having an elasticity of 10% or more and a conductor portion containing at least two conductor wires wound in the same direction around the elastic cylindrical body.Type: GrantFiled: June 25, 2008Date of Patent: March 3, 2015Assignee: Asahi Kasei Fibers CorporationInventors: Shunji Tatsumi, Yasunori Yuuki, Hiroyuki Makino
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Publication number: 20110088925Abstract: An object of the present invention is to provide an elastic signal transmission cable having a length of several centimeters to several meters that has a shape deformation tracking ability and enables high-speed signal transmission. The inventive elastic signal transmission cable has an elasticity of 10% or more and transmission loss of 10 dB/m or less in a relaxed state at 250 MHz, and comprises an elastic cylindrical body having an elasticity of 10% or more and a conductor portion containing at least two conductor wires wound in the same direction around the elastic cylindrical body.Type: ApplicationFiled: June 25, 2008Publication date: April 21, 2011Inventors: Shunji Tatsumi, Yasunori Yuuki, Hiroyuki Makino
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Publication number: 20060180067Abstract: A sewing thread containing 30% by weight or more of a poly(trimethylene terephthalate)-based staple fiber, and showing a breaking elongation of 30 to 100% and an instantaneous elastic recovery at a 5% elongation of 30 to 75%. This improved sewing thread has excellent suitability for sewing. With this sewing thread, sewn clothes which give no tight feeling and are highly comfortable to wear can be made.Type: ApplicationFiled: January 8, 2004Publication date: August 17, 2006Inventors: Hiroshi Yamazaki, Yasunori Yuuki
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Patent number: 6815060Abstract: A spun yarn comprising poly(trimethylene terephthalate) staple fibers at a content of at least 15% by weight, the spun yarn having an elastic recovery percentage of elongation at 5% elongation (%) ≧0.1 X+70 (wherein X represents the content of poly(trimethylene terephthalate) staple fibers in the spun yarn (wt %)). The spun yarn is excellent in knitting and weaving characteristics, stretchability and stretch-back property and in shape stability and durability when worn for a prolonged period of time.Type: GrantFiled: April 4, 2003Date of Patent: November 9, 2004Assignee: Asahi Kasei Kabushiki KaishaInventor: Yasunori Yuuki
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Publication number: 20040011017Abstract: A spun yarn comprising poly(trimethylene terephthalate) staple fibers at a content of at least 15% by weight, the spun yarn having an elastic recovery percentage of elongation at 5% elongation (%) ≧0.1X+70 (wherein X represents the content of poly(trimethylene terephthalate) staple fibers in the spun yarn (wt %)). The spun yarn is excellent in knitting and weaving characteristics, stretchability and stretch-back property and in shape stability and durability when worn for a prolonged period of time.Type: ApplicationFiled: April 4, 2003Publication date: January 22, 2004Inventor: Yasunori Yuuki
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Patent number: 6673444Abstract: The present invention provides a polytrimethylene terephthalate monofilament yarn excellent in softness, bending recovery or durability against a long term use. The inventive polytrimethylene terephthalate monofilament yarn is constituted by trimethylene terephthalate composed of 90 mol % or more of trymethylene terephthalate repeating units and 10 mol % or less of other ester repeating units, wherein the yarn has a single-fiber size of 50 dtex or more, an intrinsic viscosity in a range from 0.8 to 1.3 dl/g, and a boiling water shrinkage of 2% or less.Type: GrantFiled: September 24, 2002Date of Patent: January 6, 2004Assignee: Asahi Kasei Kabushiki KaishaInventors: Yasunori Yuuki, Teruhiko Matsuo, Tadashi Koyanagi
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Publication number: 20030044607Abstract: The present invention provides a polytrimethylene terephthalate monofilament yarn excellent in softness, bending recovery or durability against a long term use. The inventive polytrimethylene terephthalate monofilament yarn is constituted by trimethylene terephthalate composed of 90 mol % or more of trymethylene terephthalate repeating units and 10 mol % or less of other ester repeating units, wherein the yarn has a single-fiber size of 50 dtex or more, an intrinsic viscosity in a range from 0.8 to 1.3 dl/g, and a boiling water shrinkage of 2% or less.Type: ApplicationFiled: September 24, 2002Publication date: March 6, 2003Inventors: Yasunori Yuuki, Teruhiko Matsuo, Tadashi Koyanagi
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Patent number: 6440555Abstract: The present invention provides a package, of a false twist yarn composed of polytrimethylene terephthalate fibers, characterized in that a hardness and a winding density of the package and the number of crimps of the false twist yarn thus taken up simultaneously satisfy the following conditions (1), (2) and (3): (1) 70≦hardness≦90 (2) 0.6 g/cm3≦winding density≦1.0 g/cm3 (3) hardness×the number of crimps≧520 The package of the present invention maintains a favorable package shape and is excellent in unwinding property, whereby a high-quality knit or woven fabric is obtainable.Type: GrantFiled: August 9, 2001Date of Patent: August 27, 2002Assignee: Asahi Kasei Kabushiki KaishaInventors: Yasunori Yuuki, Shoichi Akita
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Patent number: 6306498Abstract: A poly(trimethylene terephthalate) short fiber having a cut length of 0.2-3 mm, and electrostatically flocked goods prepared by electrostatically flocking the poly(trimethylene terephthalate) fiber, are described. According to the present invention, there can be provided a fiber, for electrostatic flocking, which has excellent tread-proofness, scratch resistance and light resistance, and electrostatically flocked goods which have an excellent appearance.Type: GrantFiled: June 21, 2000Date of Patent: October 23, 2001Assignee: Asahi Kasei Kabushiki KaishaInventors: Yasunori Yuuki, Toshihiko Ohira
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Patent number: 5865464Abstract: An uncoated hollow weave air bag composed of a hollow weave fabric in which the circumferential periphery of the hollow part shaping the bag body is joined by a band of one layer bind weave, the hollow weave air bag satisfying the condition ?1! -?3! below: ?1! the weave constituting cloth A forming the hollow part of the bag body is a plain weave and the cover factor of cloth A being 2000.ltoreq.K.ltoreq.2300, ?2! the weave constituting cloth B which is the other cloth forming said hollow part, and the ratio of gas permeability at a pressure of 19.6 kpa for cloth B (qB) to that of cloth A (qA), qB/qA satisfies a relation 1.ltoreq.qB/qA.ltoreq.2.2, ?5! an opening (6) for attachment of the gas generator is provided in part of cloth B. The air bag of the present invention can be produced in a simplified manufacturing process and is light weight, less bulky and excellent in its safe inflation characteristics.Type: GrantFiled: July 29, 1996Date of Patent: February 2, 1999Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Tadao Kanuma, Yasunori Yuuki, Tosio Isobe