Patents by Inventor Tomoharu Nishioka
Tomoharu Nishioka 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: 8067075Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.Type: GrantFiled: January 27, 2005Date of Patent: November 29, 2011Assignees: Ube Industries, Inc., Asahi Glass Company, Limited, Kuraray Co., Ltd.Inventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
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Publication number: 20090169789Abstract: A resin pipe has an inner layer made of a fluororesin, an intermediate layer of nylon, and an outermost layer made of a fluororesin and covering the intermediate layer.Type: ApplicationFiled: December 24, 2008Publication date: July 2, 2009Inventors: Tadahiro Ohmi, Akinobu Teramoto, Keita Fushimi, Jiro Yamanaka, Masayuki Miyashita, Tomoharu Nishioka
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Publication number: 20070148389Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.Type: ApplicationFiled: January 27, 2005Publication date: June 28, 2007Applicants: Ube Industries, Ltd. a corporation of Japan, 1978-96, Asahi Glass Company, Limited, a corporation of Japan, Kuraray Co., Ltd., a corporation of JapanInventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
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Publication number: 20070104907Abstract: A multilayer structure comprising at least two or more layers including a layer (a) comprising (A) polyamide 11 and/or polyamide 12, and a layer (b) comprising (B) a polyamide (polyamide 9N) consisting of a dicarboxylic acid unit comprising a naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units and a diamine unit comprising a 1,9-nonanediamine and/or 2-methyl-1,8-octanediamine unit in a proportion of 60 mol % or more based on all diamine units. A multilayer structure excellent in the alcohol gasoline permeation-preventing properties, interlayer adhesion, low-temperature impact resistance and heat resistance is provided.Type: ApplicationFiled: December 16, 2004Publication date: May 10, 2007Applicants: Ube Industries, Ltd., a corporation of Japan, Kuraray Co., Ltd. a corporation of JapanInventors: Tomoharu Nishioka, Koji Nakamura, Koichi Uchida, Tsugunori Kashimura
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Patent number: 6989198Abstract: A multi-layer structure excellent in the barrier properties against alcohol gasoline, particularly hydrocarbon components, and also excellent in the interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance is provided. The stractive is a multi-layer structure comprising two or more layers including at least a layer (a) comprising (A) nylon 11 and/or nylon 12 and a layer (b) comprising (B) a polyamide resin (nylon 9T) consisting of a dicarboxylic acid component and a-diamine component, with 60 to 100 mol % of the dicarboxylic acid component being a terephthalic acid and 60 to 100 mol % of the diamine component being a diamine component selected from 1,9-nonanediamine and 2-methyl-1,8-octanediamine, and preferably further including a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6.Type: GrantFiled: October 14, 2003Date of Patent: January 24, 2006Assignees: Kuraray Co., Ltd., Ube Industries, Ltd.Inventors: Haruhisa Masuda, Yuji Munesawa, Koichi Warino, Tomoharu Nishioka, Yoshio Iwata, Koji Nakamura, Kozo Tamura, Tetsuya Hara
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Patent number: 6855787Abstract: A multi-layer hose having a multi-layer structure comprising an inner layer (I) made of a fluorocopolymer and an outer layer (II) made of a polyamide resin, wherein the fluorocopolymer constituting the inner layer (I) is a fluorocopolymer which comprises polymerized units (a) based on tetrafluoroethylene, polymerized units (b) based on ethylene and polymerized units (c) based on itaconic anhydride and/or citraconic anhydride, wherein the molar ratio of (a)/(b) is from 20/80 to 80/20 and the molar ratio of (c)/((a)+(b)) is from 1/10,000 to 5/100 and which has a volume flow rate of from 1 to 1,000 mm3/sec., and the polyamide resin constituting the outer layer (II) is polyamide 11 and/or polyamide 12, which satisfies a condition of (terminal amino group concentration)/(terminal carboxyl group concentration)>1.Type: GrantFiled: July 14, 2003Date of Patent: February 15, 2005Assignee: Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi, Noriyuki Isobe, Tomoharu Nishioka, Koji Nakamura
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Publication number: 20040191440Abstract: A multi-layer hose having a multi-layer structure comprising an inner layer (I) made of a fluorocopolymer and an outer layer (II) made of a polyamide resin, wherein the fluorocopolymer constituting the inner layer (I) is a fluorocopolymer which comprises polymerized units (a) based on tetrafluoroethylene, polymerized units (b) based on ethylene and polymerized units (c) based on itaconic anhydride and/or citraconic anhydride, wherein the molar ratio of (a)/(b) is from 20/80 to 80/20 and the molar ratio of (c)/((a)+(b)) is from 1/10,000 to 5/100 and which has a volume flow rate of from 1 to 1,000 mm3/sec., and the polyamide resin constituting the outer layer (II) is polyamide 11 and/or polyamide 12, which satisfies a condition of (terminal amino group concentration)/(terminal carboxyl group concentration)>1.Type: ApplicationFiled: July 14, 2003Publication date: September 30, 2004Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi, Noriyuki Isobe, Tomoharu Nishioka, Koji Nakamura
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Publication number: 20040126523Abstract: A multi-layer structure excellent in the barrier properties against alcohol gasoline, particularly hydrocarbon components, and also excellent in the interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance is provided. The stractive is a multi-layer structure comprising two or more layers including at least a layer (a) comprising (A) nylon 11 and/or nylon 12 and a layer (b) comprising (B) a polyamide resin (nylon 9T) consisting of a dicarboxylic acid component and a-diamine component, with 60 to 100 mol % of the dicarboxylic acid component being a terephthalic acid and 60 to 100 mol % of the diamine component being a diamine component selected from 1,9-nonanediamine and 2-methyl-1,8-octanediamine, and preferably further including a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6.Type: ApplicationFiled: October 14, 2003Publication date: July 1, 2004Applicants: Kuraray Co., Ltd., a Japanese Corporation, Ube Industries, Ltd., a Japanese CorporationInventors: Haruhisa Masuda, Yuji Munesawa, Koichi Warino, Tomoharu Nishioka, Yoshiro Iwata, Koji Nakamura, Kozo Tamura, Tetsuya Hara
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Patent number: 6656553Abstract: A hose for fuel having a laminated structure comprising an inner layer (A) made of a ethylene/tetrafluoroethylene copolymer adhesive to a polyamide resin and an outer layer (B) made of a polyamide resin, is formed. Such a hose for fuel is excellent in interlaminar adhesive strength and also excellent in antistatic properties and fuel permeation-preventing properties, and particularly, the dependency of the interlaminar adhesive strength on the take-up speed during the co-extrusion molding, is small.Type: GrantFiled: October 7, 2002Date of Patent: December 2, 2003Assignees: Asahi Glass Company, Limited, Ube Industries, Ltd.Inventors: Eiichi Nishi, Masako Nagashima, Noriyuki Isobe, Tomoharu Nishioka, Yoshiro Iwata
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Publication number: 20030035914Abstract: A hose for fuel having a laminated structure comprising an inner layer (A) made of a ethylene/tetrafluoroethylene copolymer adhesive to a polyamide resin and an outer layer (B) made of a polyamide resin, is formed. such a hose for fuel is excellent in the interlaminar adhesive strength and also excellent in the antistatic properties and fuel permeation-preventing properties, and particularly, the dependency of the interlaminar adhesive strength on the take-up speed during the co-extrusion molding, is small.Type: ApplicationFiled: October 7, 2002Publication date: February 20, 2003Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Eiichi Nishi, Masako Nagashima, Noriyuki Isobe, Tomoharu Nishioka, Yoshiro Iwata