Patents by Inventor Katsuhiko Mochizuki
Katsuhiko Mochizuki 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: 11359310Abstract: A false twist yarn includes dyeable polyolefin fibers characterized as being polymer alloy fibers each having a sea-island structure in which a polyolefin (A) is the sea component and a polyester (B) having cyclohexanedicarboxylic acid compolymerized therein is the island component, and in which the dispersion diameter of the island component in a fiber cross section is 30-1000 nm, wherein the number of the polymer alloy fibers is three or more, and the polymer alloy fibers have physical properties (1) and (2): (1) crimp recovery (CR) being 10-40%; and (2) hot-water dimensional change being 0.0-7.0%. The polyolefin false twist yarn is capable of developing vivid and profound colors even though the polyolefin fibers therein are light in weight.Type: GrantFiled: August 3, 2017Date of Patent: June 14, 2022Assignee: Toray Industries, Inc.Inventors: Shogo Hamanaka, Hidekazu Kano, Katsuhiko Mochizuki
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Publication number: 20210172094Abstract: A false twist yarn includes dyeable polyolefin fibers characterized as being polymer alloy fibers each having a sea-island structure in which a polyolefin (A) is the sea component and a polyester (B) having cyclohexanedicarboxylic acid compolymerized therein is the island component, and in which the dispersion diameter of the island component in a fiber cross section is 30-1000 nm, wherein the number of the polymer alloy fibers is three or more, and the polymer alloy fibers have physical properties (1) and (2): (1) crimp recovery (CR) being 10-40%; and (2) hot-water dimensional change being 0.0-7.0%. The polyolefin false twist yarn is capable of developing vivid and profound colors even though the polyolefin fibers therein are light in weight.Type: ApplicationFiled: August 3, 2017Publication date: June 10, 2021Inventors: Shogo Hamanaka, Hidekazu Kano, Katsuhiko Mochizuki
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Publication number: 20210054188Abstract: A highly hygroscopic sea-island type composite fiber has characteristics (1)-(4) below: (1) the island component in a polymer has hygroscopicity; (2) the ratio of the outermost layer thickness T to the fiber diameter R in a cross section of the fiber is 0.05-0.25; (3) the difference (?MR) in moisture absorption rate after hot water treatment is 2.0-10.0%; and (4) the content of a phenol group is 16-160 mmol/kg, wherein the outermost layer thickness is the difference between the radius of the fiber and the radius of a circumscribed circle connecting the vertices of the island component disposed at the outermost circumference, and represents the thickness of the sea component present in the outermost layer.Type: ApplicationFiled: March 8, 2019Publication date: February 25, 2021Applicant: Toray Industries, Inc.Inventors: Masataka MAKINO, Junichi NAKAGAWA, Yoichiro TANAKA, Katsuhiko MOCHIZUKI
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Publication number: 20210054536Abstract: A dyeable polyolefin fiber is a polymer alloy fiber having a sea-island structure in which the sea ingredient comprises a polyolefin (A) and the island ingredient comprises a polyester (B), the fiber having a degree of elongation of 10-80%. The polyester (B) in the dyeable polyolefin fiber has an orientation parameter, as determined by Raman spectroscopy, of 1.1-10.0. The dyeable polyolefin fiber is a highly lightweight polyolefin fiber capable of being brightly and deeply colored, is excellent in terms of color fastness and evenness in dyeing, and is suitable for use as a fibrous structure.Type: ApplicationFiled: January 10, 2019Publication date: February 25, 2021Inventors: Hidekazu Kano, Masashi Nagao, Katsuhiko Mochizuki
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Patent number: 10793976Abstract: A dyeable polyolefin fiber includes a sea-island structure in which a polyolefin (A) is the sea component and a copolyester (B) obtained by copolymerizing cyclohexanedicarboxylic acid is the island component, the polyolefin fiber characterized in that the dispersion diameter of the island component in a lateral cross section of the fiber is 30 to 1000 nm. The dyeable polyolefin fiber is bright, deep coloring is imparted to the lightweight polyolefin fiber, oxidative decomposition during tumbler drying and yellowing during long-term storage are minimized, and the polyolefin fiber can be suitably used as a fibrous structure.Type: GrantFiled: February 28, 2017Date of Patent: October 6, 2020Assignee: Toray Industries, Inc.Inventors: Hidekazu Kano, Shogo Hamanaka, Katsuhiko Mochizuki
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Publication number: 20200040483Abstract: A polymer alloy fiber that includes a polyolefin (A), a polyester (B) and a styrene-ethylene-butylene-styrene copolymer (C), and is characterized by the fiber diameter CV % being 0.1-2.5% and the dispersion diameter of island components in the fiber cross-sectional surface being 1-1000 nm. It is possible to provide a polymer alloy fiber that is provided with the characteristics of both polyolefin and polyester, in which variations in fiber diameter among single threads are suppressed and also dyeing unevenness are suppressed, that has superior mechanical characteristics and abrasion resistance, and that can be suitably used for a fiber structure.Type: ApplicationFiled: September 25, 2017Publication date: February 6, 2020Inventors: Hidekazu Kano, Masashi Nagao, Katsuhiko Mochizuki
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Publication number: 20190242033Abstract: A sea-islands type composite fiber includes an island component that is a polymer having moisture absorbability; a ratio (T/R) of a thickness T of an outermost layer to a diameter R of the fiber in a transverse cross section of the fiber of 0.05 to 0.25; and a moisture absorption rate difference (?MR) after a hot water treatment of 2.0 to 10.0%, wherein the thickness of an outermost layer is a difference between a radius of the fiber and a radius of a circumscribed circle formed by connecting apexes of the island components disposed in an outermost circle, and represents a thickness of a sea component in the outermost layer.Type: ApplicationFiled: June 30, 2017Publication date: August 8, 2019Applicant: Toray Industries, Inc.Inventors: Hidekazu KANO, Shogo HAMANAKA, Hideki MORIOKA, Kenichi TSUTSUMI, Katsuhiko MOCHIZUKI
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Publication number: 20190071797Abstract: A dyeable polyolefin fiber includes a sea-island structure in which a polyolefin (A) is the sea component and a copolyester (B) obtained by copolymerizing cyclohexanedicarboxylic acid is the island component, the polyolefin fiber characterized in that the dispersion diameter of the island component in a lateral cross section of the fiber is 30 to 1000 nm. The dyeable polyolefin fiber is bright, deep coloring is imparted to the lightweight polyolefin fiber, oxidative decomposition during tumbler drying and yellowing during long-term storage are minimized, and the polyolefin fiber can be suitably used as a fibrous structure.Type: ApplicationFiled: February 28, 2017Publication date: March 7, 2019Inventors: Hidekazu Kano, Shogo Hamanaka, Katsuhiko Mochizuki
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Patent number: 8101688Abstract: Polylactic acid fibers excellent in wearing resistance and in the ability to smoothly pass through processing steps. The polylactic acid fibers contain a fatty acid bisamide and/or an alkyl-substituted fatty acid monoamide in an amount of 0.1 to 5 wt. % based on the whole fibers.Type: GrantFiled: January 3, 2011Date of Patent: January 24, 2012Assignee: TORAY Industries., Inc.Inventors: Toshiaki Kimura, Shuichi Nonaka, Takashi Ochi, Takaaki Mihara, Katsuhiko Mochizuki, Yuhei Maeda
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Publication number: 20110262683Abstract: A polymer alloy fiber includes a polymer alloy consisting of a polylactic acid resin (A), a polyolefin resin (B), and a compatibilizer (C), wherein the compatibilizer (C) is an acrylic elastomer or an styrene elastomer containing at least one functional group selected from the group consisting of anhydride, carboxyl, amino, imino, alkoxysilyl, silanol, silyl ether, hydroxyl, and epoxy, and the polylactic acid resin (A) and the polyolefin resin (B) are island and sea components, respectively, to form a sea-island structure in the morphology of the polymer alloy.Type: ApplicationFiled: December 21, 2009Publication date: October 27, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Katsuhiko Mochizuki, Yasutaka Kato, Sadanori Kumazawa, Yosuke Onoue
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Patent number: 7988905Abstract: The invention provides a method for manufacturing a molded woody article, which includes compression molding a base material containing wood fibers, polylactic acid fibers and an inorganic filler at a temperature not less than a melting point of the polylactic acid fibers, and maintaining the molded base material at a temperature close to a crystallization temperature of the polylactic acid fibers for a desired period of time, thereby crystallizing the polylactic acid fibers. In the molding step, the base material is entirely deformed and molded into a desired shape while the polylactic acid fibers are melted, and in the crystallizing step, the polylactic acid fibers are solidified, thereby producing the molded article. In the crystallizing step, polylactic acid crystallizes rapidly and reliably utilizing the inorganic filler as a crystal nucleating agent.Type: GrantFiled: March 17, 2005Date of Patent: August 2, 2011Assignees: Toyota Boshoku Kabushiki Kaisha, Toyota Jidosha Kabushiki KaishaInventors: Masanori Hashiba, Hideki Kawashiri, Takashi Inoh, Hisashi Okuyama, Hiroshi Urayama, Katsuhiko Mochizuki, Yuhei Maeda
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Publication number: 20110165370Abstract: Polylactic acid fibers excellent in wearing resistance and in the ability to smoothly pass through processing steps. The polylactic acid fibers contain a fatty acid bisamide and/or an alkyl-substituted fatty acid monoamide in an amount of 0.1 to 5 wt. % based on the whole fibers.Type: ApplicationFiled: January 3, 2011Publication date: July 7, 2011Inventors: Toshiaki Kimura, Shuichi Nonaka, Takashi Ochi, Takaaki Sakai, Katsuhiko Mochizuki, Yuhei Maeda
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Publication number: 20110020628Abstract: Polyamide 56 filaments having a relative viscosity in sulfuric acid of 3 to 8, an Mw/Mn ratio of 1.5 to 3, a single fiber fineness of 0.1 to 7 dtex, a strength of 7 to 12 cN/dtex, a shrinkage rate of 5 to 20% after having been subjected to boiling water treatment at 98° C. for 30 minutes, a strength of 5 to 11 cN/dtex after the boiling water treatment and a stress at 10% elongation of 0.3 to 1.5 cN/dtex after the boiling water treatment.Type: ApplicationFiled: March 10, 2009Publication date: January 27, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Kousuke Fukudome, Katsuhiko Mochizuki
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Patent number: 7601656Abstract: A leather-like sheet excellent in stretchability which is obtained by integrating by entanglement of a woven or knitted fabric and an ultrafine fiber of 0.0001 to 0.5 dtex, wherein at least one face of the leather-like sheet is substantially composed of said ultrafine fibers, and said woven or knitted fabric consists of a conjugate fiber in which two or more kinds of polyester-based polymers, at least one of which consists essentially of polytrimethylene terephthalate, are stuck along the fiber length direction side-by-side, or a conjugate fiber in which two or more kinds of polyester-based polymers, at least one of which consists essentially of polytrimethylene terephthalate, forms an eccentric sheath-core type conjugate structure, and the fiber constituting the woven or knitted fabric has a twist coefficient of 20000 or below.Type: GrantFiled: February 10, 2005Date of Patent: October 13, 2009Assignee: Toray Industries, Inc.Inventors: Tomoyuki Horiguchi, Katsuhiko Mochizuki, Akira Karasawa
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Publication number: 20090182070Abstract: Polyester fibers comprising a polyester resin composition which contains carbon black and comprises trimethylene terephthalate units as the main repeating structural units, and having an average resistivity (P) of 1.0×1012 [?/cm] or lower; and a polyester textile product at least part of which is made of the polyester fibers. The polyester fibers have high conductivity and are highly excellent in conductivity stability to humidity fluctuations. The textile product comprising the polyester fibers has excellent performances, and examples thereof include a fibrous brush.Type: ApplicationFiled: September 22, 2006Publication date: July 16, 2009Applicant: Toray Industries, Inc.Inventors: Kouki Miyazono, Norio Suzuki, Katsuhiko Mochizuki
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Publication number: 20090068463Abstract: A crimped yarn includes a synthetic fiber which contains an aliphatic polyester resin (A) and a thermoplastic polyamide resin (B) and exposed area ratio of the aliphatic polyester resin (A) with respect to fiber surface area is 5% or less and a crimp is imparted to a multifilament comprising said synthetic fiber, and a fiber structure containing said crimped yarn as at least a part thereof. Furthermore, a crimped yarn in which the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B) are constituted of a polymer alloy type synthetic fiber, or a crimped yarn constituted by a sheath/core type composite fiber in which the core component comprises the aliphatic polyester resin (A) or a polymer alloy of the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B) and the sheath component comprises the thermoplastic polyamide resin (B), and a fiber structure containing said crimped yarn as at least a part thereof.Type: ApplicationFiled: October 18, 2006Publication date: March 12, 2009Inventors: Katsuhiko Mochizuki, Kousuke Fukudome, Shozo Inoue, Toshiaki Kimura, Syusaku Narita, Atsushi Shinozaki, Hiroshi Kajiyama, Kazuya Matsumura
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Publication number: 20070176315Abstract: A method is provided for manufacturing a molded woody article. The method includes compression molding a base material containing wood fibers, polylactic acid fibers and an inorganic filler at a temperature not less than a melting point of said polylactic acid fibers, and maintaining said molded base material at a temperature close to a crystallization temperature of said polylactic acid fibers for a desired period of time, thereby crystallizing the polylactic acid fibers. In the molding step, the base material is entirely deformed and molded into a desired shape while the polylactic acid fibers are melted, and in the crystallizing step, the polylactic acid fibers are solidified, thereby producing the molded article. In the crystallizing step, polylactic acid crystallizes rapidly and reliably utilizing the inorganic filler as a crystal nucleating agent. Polylactic acid crystallizes from portions contacting the wood fibers.Type: ApplicationFiled: March 17, 2005Publication date: August 2, 2007Inventors: Masanori Hashiba, Hideki Kawashiri, Takashi Inoh, Hisashi Okuyama, Hiroshi Urayama, Katsuhiko Mochizuki, Yuhei Maeda
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Publication number: 20070166509Abstract: A leather-like sheet excellent in stretchability which is obtained by integrating by entanglement of a woven or knitted fabric and an ultrafine fiber of 0.0001 to 0.5 dtex, wherein at least one face of the leather-like sheet is substantially composed of said ultrafine fibers, and said woven or knitted fabric consists of a conjugate fiber in which two or more kinds of polyester-based polymers, at least one of which consists essentially of polytrimethylene terephthalate, are stuck along the fiber length direction side-by-side, or a conjugate fiber in which two or more kinds of polyester-based polymers, at least one of which consists essentially of polytrimethylene terephthalate, forms an eccentric sheath-core type conjugate structure, and the fiber constituting the woven or knitted fabric has a twist coefficient of 20000 or below.Type: ApplicationFiled: February 10, 2005Publication date: July 19, 2007Applicant: Toray Industries, Inc. a corporation of JapanInventors: Tomoyuki Horiguchi, Katsuhiko Mochizuki, Akira Karasawa
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Publication number: 20050203258Abstract: Polylactic acid fibers excellent in wearing resistance and in the ability to smoothly pass through processing steps. The polylactic acid fibers contain a fatty acid bisamide and/or an alkyl-substituted fatty acid monoamide in an amount of 0.1 to 5 wt. % based on the whole fibers.Type: ApplicationFiled: September 1, 2003Publication date: September 15, 2005Applicant: TORAY INDUSTRIIES, INC.Inventors: Toshiaki Kimura, Shuichi Nonaka, Takashi Ochi, Takaaki Sakai, Katsuhiko Mochizuki, Yuhei Maeda
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Patent number: 6803000Abstract: A soft stretch yarn produced by spinning yarn of conjugate fibers including two types of polyester in which one component is PTT at a take-up velocity of at least 1200 m/min, drawing at a drawing temperature of 50 to 80° C. at a draw ratio such that the drawn yarn tensile elongation is 20 to 45%, and then heat setting.Type: GrantFiled: July 12, 2001Date of Patent: October 12, 2004Assignee: Toray Industries, Inc.Inventors: Takashi Ochi, Katsuhiko Mochizuki, Yuhei Maeda