Patents by Inventor Toshihide Inoue
Toshihide Inoue 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: 12110304Abstract: Provided are a divalent phosphazenium salt which is neutral and is excellent in thermal stability and aldehyde scavenging ability, and a method for producing the same. Also provided are a polyalkylene oxide composition having a volatile aldehyde amount reduced, having generation of odor and turbidity suppressed and being excellent in urethanization reactivity, and a method for producing such a polyalkylene oxide composition, as well as a polyurethane-forming composition containing the polyalkylene oxide composition. A divalent phosphazenium salt having a specific structure. Also, a polyalkylene oxide composition comprising a divalent phosphazenium salt having a specific structure and a polyalkylene oxide, a method for producing the same, and a polyurethane-forming composition containing the same.Type: GrantFiled: March 5, 2019Date of Patent: October 8, 2024Assignee: TOSOH CORPORATIONInventors: Yoshiaki Inoue, Toshihide Yamamoto, Katsuaki Mori
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Patent number: 7631723Abstract: A loudspeaker diaphragm having light weight and an excellent balance between a rigidity and an internal loss, and a simple and inexpensive method for manufacturing such a diaphragm are provided. The loudspeaker diaphragm includes a base layer having a woven fabric of a polyethylene naphthalate fiber impregnated with a thermosetting resin, and optionally a thermoplastic resin layer and/or a thermoplastic elastomer layer. The polyethylene naphthalate fiber is preferably an untwisted fiber. A fiber/resin weight ratio in the base layer is preferably in the range of 60/40 to 80/20. Preferably, the thermoplastic resin layer has a finely foamed structure and an average diameter of a cell in the finely foamed structure is 10 to 60 ?m.Type: GrantFiled: December 8, 2003Date of Patent: December 15, 2009Assignee: Onkyo CorporationInventors: Yushi Ono, Toshihide Inoue
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Patent number: 7344001Abstract: A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surface material are each formed of a woven fabric or a non-woven fabric; and the core material is formed of a woven fabric or a non-woven fabric each including hollow fine particles.Type: GrantFiled: February 16, 2006Date of Patent: March 18, 2008Assignee: Onkyo CorporationInventors: Toshihide Inoue, Hiroyasu Kumo
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Publication number: 20060266577Abstract: A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surface material are each formed of a woven fabric or a non-woven fabric; and the core material is formed of a woven fabric or a non-woven fabric each including hollow fine particles.Type: ApplicationFiled: February 16, 2006Publication date: November 30, 2006Applicant: Onkyo CorporationInventors: Toshihide Inoue, Hiroyasu Kumo
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Publication number: 20040112672Abstract: A loudspeaker diaphragm having light weight and an excellent balance between a rigidity and an internal loss, and a simple and inexpensive method for manufacturing such a diaphragm are provided. A loudspeaker diaphragm according to the present invention includes a base layer having a woven fabric of a polyethylene naphthalate fiber impregnated with a thermosetting resin, and optionally a thermoplastic resin layer and/or a thermoplastic elastomer layer. The polyethylene naphthalate fiber is preferably an untwisted fiber. A fiber/resin ratio in the base layer is preferably in the range of 60/40 to 80/20. Preferably, the thermoplastic resin layer has a finely foamed structure and an average diameter of a cell in the finely foamed structure is 10 to 60 &mgr;m.Type: ApplicationFiled: December 8, 2003Publication date: June 17, 2004Applicant: ONKYO CORPORATIONInventors: Yushi Ono, Toshihide Inoue
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Patent number: 6591938Abstract: The speaker diaphragm of the present invention includes a nonwoven fabric impregnated with at least a thermosetting resin composition, molded, and cured. The nonwoven fabric is formed of a fiber material containing protein fibers. The thermosetting resin composition contains an unsaturated polyester resin as a main component. The speaker diaphragm of the present invention has excellent acoustic characteristics and is produced with high production efficiency.Type: GrantFiled: February 5, 2002Date of Patent: July 15, 2003Assignee: Onkyo CorporationInventors: Toshihide Inoue, Yushi Ono
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Publication number: 20020100635Abstract: The speaker diaphragm of the present invention includes a nonwoven fabric impregnated with at least a thermosetting resin composition, molded, and cured. The nonwoven fabric is formed of a fiber material containing protein fibers. The thermosetting resin composition contains an unsaturated polyester resin as a main component. The speaker diaphragm of the present invention has excellent acoustic characteristics and is produced with high production efficiency.Type: ApplicationFiled: February 5, 2002Publication date: August 1, 2002Inventors: Toshihide Inoue, Yushi Ono
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Patent number: 6378649Abstract: The speaker member of the present invention comprises (a) a vibrating plate part comprising a base material, a part of the base material being impregnated with a thermosetting resin; and (b) an edge part containing the same base material as that of the vibrating plate. Such a speaker member is obtained by a method comprising the steps of: forming a base material; impregnating a portion of the base material with a thermosetting resin wherein the portion is to be a vibrating plate part; and curing said impregnated thermosetting resin so as to form the vibrating plate part, and simultaneously forming an edge part.Type: GrantFiled: March 2, 2000Date of Patent: April 30, 2002Assignee: Onkyo CorporationInventors: Toshihide Inoue, Yushi Ono, Takashi Onogi, Kazumasa Takemura, Hiroyasu Kumo
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Patent number: 6153121Abstract: Disclosed are a liquid-crystalline resin composition comprising (A) from 20 to 99 parts by weight of a liquid-crystalline resin and (B) from 1 to 80 parts by weight of aluminium borate whiskers of which the grain size distribution as obtained through laser diffractometry is such that D90/D10 is from 7.5 to 20, and precision moldings of the composition.Type: GrantFiled: January 28, 1998Date of Patent: November 28, 2000Assignee: Toray Industries, Inc.Inventors: Yoshiki Makabe, Norio Kitajima, Toshihide Inoue
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Patent number: 6136892Abstract: A flame retardant resin composition including 100 parts by weight of component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. Component (A) may be a thermoplastic resin polyethylene terephthalate and ethylene terephthalate copolymers, and polyethylene terephthalate and/or ethylene terephthalate copolymer, and component (B) may be a thermoplastic resin selected from ##STR1## (O--R.sup.2 --O), (O--CH.sub.2 CH.sub.2 --O) and ##STR2## wherein R.sup.1, R.sup.2, and R.sup.3 are divalent aromatic residues.Type: GrantFiled: April 15, 1998Date of Patent: October 24, 2000Assignee: Toray Industries, Inc.Inventors: Kouji Yamauchi, Hideo Matsuoka, Hideki Matsumoto, Toshihide Inoue
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Patent number: 6075114Abstract: A liquid-crystalline resin composition comprising 100 parts by weight of a semi-aromatic liquid-crystalline polyester and/or a semi-aromatic liquid-crystalline polyester-amide, from 0.001 to 5 parts by weight of at least one or more compounds selected from phosphorous acid, hypophosphorous acid and their salts, and from 0.01 to 10 parts by weight of red phosphorus has good flame retardancy, low anisotropy, good heat resistance and good hydrolysis resistance, and is useful as engineering plastic.Type: GrantFiled: June 29, 1998Date of Patent: June 13, 2000Assignee: Toray Industries, Inc.Inventors: Hideyuki Umetsu, Yoshiki Makabe, Toshihide Inoue
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Patent number: 5980777Abstract: A liquid crystalline resin which comprises at least one kind of liquid crystalline polymer selected from liquid crystalline polyester and liquid crystalline polyester amide, both forming an anisotropic molten phase, and an inorganic phosphorus compound, said liquid crystalline resin having an absorbance of 0.5 or less at 380 nm when measured over an optical path length of 10 mm in a 0.5 wt % solution in a 1:1 mixed solvent of pentafluorophenol and chloroform (by weight). It is useful as engineering plastics because of improved color, heat resistance, and hydrolytic resistance.Type: GrantFiled: December 24, 1997Date of Patent: November 9, 1999Assignee: Toray Industries, Inc.Inventors: Hideyuki Umetsu, Yoshiki Makabe, Toshihide Inoue
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Patent number: 5965639Abstract: A flame retardant resin composition including 100 parts by weight of the following component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. Components (A) and (B) are as follows:(A) (a1) 67 to 99.99 wt % (based on the total weight of (a1) and (a2)) of a thermoplastic resin other than polyethylene terephthalate and ethylene terephthalate copolymers and (A2) 33 to 0.Type: GrantFiled: October 9, 1997Date of Patent: October 12, 1999Assignee: Toray Industries, Inc.Inventors: Kouji Yamauchi, Hideo Matsuoka, Hideki Matsumoto, Toshihide Inoue
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Patent number: 5830940Abstract: The present invention relates to a shaped article of a liquid crystalline polymer containing (A) 100 parts by weight of a liquid crystalline polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) 0.01 to 2 parts of an olefinic polymer and having a retention rate of a weld strength of 15% to 100%, which has excellent heat stability, mechanical properties, dimensional stability and mold releasability and is suitable for various application uses such as electrical and electronical related devices, accurate machine related devices, office related devices, automobile related parts.Type: GrantFiled: July 18, 1996Date of Patent: November 3, 1998Assignee: Toray Industries, Inc.Inventors: Kiyokazu Nakamura, Norio Kitajima, Toshihide Inoue
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Patent number: 5804634Abstract: Disclosed herein is a liquid crystalline resin compound which includes about 100 pbw of liquid crystalline resin and about 5-200 pbw of inorganic filler, the liquid crystalline resin being composed of about 99.5-50 wt % of partially aromatic liquid crystalline polyester resin and about 0.5-50 wt % of wholly aromatic liquid crystalline polyester resin, and the inorganic filler having an average aspect ratio in the range of 3 to 25. Also disclosed is a molded article of liquid crystalline resin obtained by molding from the liquid crystalline resin compound. The resin compound is superior in flowability and the molded article has good mechanical properties, especially balanced rigidity and toughness.Type: GrantFiled: December 10, 1996Date of Patent: September 8, 1998Assignee: Toray Industries, Inc.Inventors: Hideyuki Umetsu, Kiyokazu Nakamura, Toshihide Inoue, Miki Sakai, Toshio Kurematsu
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Patent number: 5643988Abstract: The present invention relates to a shaped article of a liquid crystalline polymer containing (A) 100 parts by weight of a liquid crystalline polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) 0.01 to 2 parts of an olefinic polymer and having a retention rate of a weld strength of 15% to 100%, which has excellent heat stability, mechanical properties, dimensional stability and mold releasability and is suitable for various application uses such as electrical and electronical related devices, accurate machine related devices, office related devices, automobile related parts.Type: GrantFiled: April 5, 1996Date of Patent: July 1, 1997Assignee: Toray Industries, Inc.Inventors: Kiyokazu Nakamura, Norio Kitajima, Toshihide Inoue
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Patent number: 5432225Abstract: A thermotropic resin composition containing (A) 100 parts by weight of a thermotropic polyester, a thermotropic polyesteramide or a mixture thereof, forming an anisotropic molten phase and (B) 1 to 200 parts by weight of a graphite having a fixed carbon content of 98% or more, a crystallinity of 80 to 95%, and an average particle size of 1 to 200 .mu.m.Type: GrantFiled: October 20, 1993Date of Patent: July 11, 1995Assignee: Toray Industries, Inc.Inventors: Kiyokazu Nakamura, Noriaki Goto, Toshihide Inoue
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Patent number: 5427712Abstract: The present invention relates to (A) 100 parts by weight of a liquid crystal polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) a liquid crystal polymer composition containing 5 to 300 parts by weight of a potassium titanate whisker having a pH of 6 to 8, wherein, the melt viscosity of the composition is 12 to 300 Pa.multidot.sec, and the weight average fiber length of the potassium titanate whisker in the composition is at least 4.5 .mu.m, the liquid crystal polymer composition having low anisotropy as well as balanced properties of superior dimensional stability, lubricating property (wear resistance), thin-wall moldability, heat resistance and mechanical properties, thereby allowing it to be useful as electrical and electronic parts, automotive parts, audio parts and various types of machine parts, and particularly as bearing and wear applications required to have lubricating property (wear resistance).Type: GrantFiled: April 6, 1993Date of Patent: June 27, 1995Assignee: Toray Industries, Inc.Inventors: Kiyokazu Nakamura, Noriaki Goto, Toshihide Inoue
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Patent number: 5278278Abstract: The present invention relates to polyesters capable to give moldings having excellent flow characteristics, heat resistance and mechanical properties.These polyesters are prepared by copolymerizing specified amounts of specific dioxycompounds such as t-butylhydroquinone, phenylhydroquinone and so on with polyesters comprising specified amounts of p-hydroxybenzoic acid, 4,4'-dihydroxybiphenyl, hydroquinone and terephthalic acid or terephthalic acid and isophthalic acid.Type: GrantFiled: February 17, 1993Date of Patent: January 11, 1994Assignee: Toray Industries, Inc.Inventors: Masaru Okamoto, Toshihide Inoue, Shiro Kataoka
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Patent number: 5221705Abstract: A flame-retardant thermotropic polyester composition comprising 100 parts by weight of thermotropic polyester (A) and 0.5 to 60 parts by weight of poly(bromostyrene)(B) having the following structural unit produced from bromostyrene monomer, as the principal structural component thereof, and having a number average molecular weight of 1.times.10.sup.3 to 30.times.10.sup.4 ; ##STR1## has excellent flame retardancy, mechanical properties and heat resistance, and the shaped articles molded from the composition has also superior appearance.Type: GrantFiled: June 20, 1991Date of Patent: June 22, 1993Assignee: Toray Industries, Inc.Inventors: Toshihide Inoue, Yasunori Ichikawa, Masaru Okamoto, Norio Kitajima