Patents by Inventor Shinji Matsuoka
Shinji Matsuoka 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: 10513606Abstract: A (meth)acrylate resin material comprising a polymer (A1) having constituent units (a1) derived from a compound represented by formula (1) and constituent units (a2) derived from methyl methacrylate, and an acid (B) and/or a nucleating agent (C). In the formula, Ar represents an aryl group, and the aromatic ring in Ar is directly bonded to the ester end in formula (1).Type: GrantFiled: August 28, 2015Date of Patent: December 24, 2019Assignee: Mitsubishi Chemical CorporationInventors: Yutaka Aoki, Fumi Ooba, Masahiro Ueda, Shinji Matsuoka, Mitsufumi Nodono, Hikaru Momose
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Publication number: 20190169336Abstract: This vinyl polymer powder, which contains a vinyl polymer, has a glass transition temperature of at least 0° C. (where if there are a plurality of glass transition points, all of the glass transition temperatures are at least 0° C.), has no greater than 350 ppm of the total content of magnesium ions, calcium ions, aluminum ions, barium ions, and zinc ions, has no greater than 100 ppm of the content of ammonium ions, has an acid number of no greater than 2.5 mgKOH/g, and has a bulk density of 0.10-0.60 g/cm3.Type: ApplicationFiled: January 16, 2019Publication date: June 6, 2019Applicant: Mitsubishi Chemical CorporationInventors: Masahiro UEDA, Shinji MATSUOKA
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Publication number: 20190092941Abstract: To enhance adhesion between a resin and a glass filler and at the same time to disperse a rubber in the resin to thereby improve mechanical properties of a molded body. Provided is a resin composition containing an engineering plastic (A), a glass filler (B) and a rubber-containing graft polymer (C), wherein a ratio of an acrylonitrile-derived component in a chloroform-soluble component of the resin composition is not more than 2.0 mass %, a content of a fatty acid in 100 parts by mass of the resin composition is not more than 0.03 parts by mass, a total content of calcium and magnesium in 100 parts by mass of a dry sample of the resin composition extracted with chloroform is not more than 0.0008 parts by mass, and a content of aluminum is not more than 0.0008 parts by mass. Also provided is a resin composition further containing a salt (D) of an alkali metal and a strong acid. The engineering plastic (A) is preferably an aromatic polycarbonate resin.Type: ApplicationFiled: November 26, 2018Publication date: March 28, 2019Applicant: Mitsubishi Chemical CorporationInventors: Shinji Matsuoka, Atsushi Kuwahara, Masahiro Ueda
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Patent number: 10221268Abstract: This vinyl polymer powder, which contains a vinyl polymer, has a glass transition temperature of at least 0° C. (where if there are a plurality of glass transition points, all of the glass transition temperatures are at least 0° C.), has no greater than 350 ppm of the total content of magnesium ions, calcium ions, aluminum ions, barium ions, and zinc ions, has no greater than 100 ppm of the content of ammonium ions, has an acid number of no greater than 2.5 mgKOH/g, and has a bulk density of 0.10-0.60 g/cm3.Type: GrantFiled: March 20, 2015Date of Patent: March 5, 2019Assignee: Mitsubishi Chemical CorporationInventors: Masahiro Ueda, Shinji Matsuoka
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Publication number: 20180030240Abstract: The present invention relates to: a resin composition comprising a polyacetal resin (A), a salt (B) consisting of a carboxylic acid and an alkaline-earth metal, and a rubber-containing graft polymer (C); and a molded article formed by molding the resin composition. The resin composition and the molded article of the present invention are characterized in that the thermal decomposition associated with weight loss in a molding process or the formaldehyde in the molded article is reduced.Type: ApplicationFiled: February 23, 2016Publication date: February 1, 2018Applicant: Mitsubishi Chemical CorporationInventors: Shinji Matsuoka, Saki Fujita
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Patent number: 9803082Abstract: A graft copolymer capable of providing impact resistance, flame retardance, and color rendering properties to a thermoplastic resin is described. The graft copolymer contains a polyorganosiloxane, and is obtained by graft-polymerizing vinyl monomers including a (meth)acrylate ester (b1) having an alkyl group or an aromatic group and an aromatic vinyl monomer (b2) on a polyorganosiloxane-based rubber. The graft copolymer has a volume average particle diameter of 200-2000 nm, and contains 0.1-69 mass % of polyorganosiloxane. A thermoplastic resin composition is also described, containing a thermoplastic resin (A), the graft copolymer, a fluorine resin (C) and a flame retardant (D). A molded article is also described, which is obtained by molding the thermoplastic resin composition.Type: GrantFiled: July 27, 2016Date of Patent: October 31, 2017Assignee: Mitsubishi Chemical CorporationInventors: Ayaka Wakita, Yuichiro Fujikawa, Sohei Ueki, Shinji Matsuoka
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Patent number: 9765170Abstract: The invention provides a thermoplastic resin composition, which does not substantially compromise color rendering and flame retardance of a thermoplastic resin and has high impact resistance, slidability, and chemical resistance in a wide scope of environmental conditions ranging from low temperature to high temperature. A graft copolymer (GF2) containing rubber is a graft copolymer containing rubber formed by performing graft polymerization of 1 or more vinyl monomers on a composite rubber containing a polyorganosiloxane (B1) and a polyalkyl (meth)acrylate (B2). The content of a component derived from a silane compound containing a vinyl-based polymerizable group in the polyorganosiloxane (B1) is 1 mass % to 10 mass %. The volume-average particle size of the graft copolymer containing rubber is 300 nm to 2000 nm. The content of the polyorganosiloxane (B1) in the graft copolymer containing rubber is 70 mass % to 98 mass %. An acetone soluble matter is 5.0 mass % or more and 30.0 mass % or less.Type: GrantFiled: August 13, 2013Date of Patent: September 19, 2017Assignee: Mitsubishi Chemical CorporationInventors: Hiroaki Otonari, Sohei Ueki, Shinji Matsuoka
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Publication number: 20170253736Abstract: A (meth)acrylate resin material comprising a polymer (A1) having constituent units (a1) derived from a compound represented by formula (1) and constituent units (a2) derived from methyl methacrylate, and an acid (B) and/or a nucleating agent (C). In the formula, Ar represents an aryl group, and the aromatic ring in Ar is directly bonded to the ester end in formula (1).Type: ApplicationFiled: August 28, 2015Publication date: September 7, 2017Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Yutaka AOKI, Fumi OOBA, Masahiro UEDA, Shinji MATSUOKA, Mitsufumi NODONO, Hikaru MOMOSE
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Publication number: 20170066860Abstract: This vinyl polymer powder, which contains a vinyl polymer, has a glass transition temperature of at least 0° C. (where if there are a plurality of glass transition points, all of the glass transition temperatures are at least 0° C.), has no greater than 350 ppm of the total content of magnesium ions, calcium ions, aluminum ions, barium ions, and zinc ions, has no greater than 100 ppm of the content of ammonium ions, has an acid number of no greater than 2.5 mgKOH/g, and has a bulk density of 0.10-0.60 g/cm3.Type: ApplicationFiled: March 20, 2015Publication date: March 9, 2017Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Masahiro UEDA, Shinji MATSUOKA
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Patent number: 9527997Abstract: A graft copolymer capable of providing impact resistance, flame retardance, and color rendering properties to a thermoplastic resin is described. The graft copolymer contains a polyorganosiloxane, and is obtained by graft-polymerizing vinyl monomers including a (meth)acrylate ester (b1) having an alkyl group or an aromatic group and an aromatic vinyl monomer (b2) on a polyorganosiloxane-based rubber. The graft copolymer has a volume average particle diameter of 200-2000 nm, and contains 0.1-69 mass % of polyorganosiloxane. A thermoplastic resin composition is also described, containing a thermoplastic resin (A), the graft copolymer, a fluorine resin (C) and a flame retardant (D). A molded article is also described, which is obtained by molding the thermoplastic resin composition.Type: GrantFiled: June 28, 2013Date of Patent: December 27, 2016Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Ayaka Wakita, Yuichiro Fujikawa, Sohei Ueki, Shinji Matsuoka
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Publication number: 20160333130Abstract: A graft copolymer capable of providing impact resistance, flame retardance, and color rendering properties to a thermoplastic resin is described. The graft copolymer contains a polyorganosiloxane, and is obtained by graft-polymerizing vinyl monomers including a (meth)acrylate ester (b1) having an alkyl group or an aromatic group and an aromatic vinyl monomer (b2) on a polyorganosiloxane-based rubber. The graft copolymer has a volume average particle diameter of 200-2000 nm, and contains 0.1-69 mass % of polyorganosiloxane. A thermoplastic resin composition is also described, containing a thermoplastic resin (A), the graft copolymer, a fluorine resin (C) and a flame retardant (D). A molded article is also described, which is obtained by molding the thermoplastic resin composition.Type: ApplicationFiled: July 27, 2016Publication date: November 17, 2016Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Ayaka Wakita, Yuichiro Fujikawa, Sohei Ueki, Shinji Matsuoka
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Publication number: 20160194428Abstract: The invention provides a thermoplastic resin composition, which does not substantially compromise color rendering and flame retardance of a thermoplastic resin and has high impact resistance, slidability, and chemical resistance in a wide scope of environmental conditions ranging from low temperature to high temperature. A graft copolymer (GF2) containing rubber is a graft copolymer containing rubber formed by performing graft polymerization of 1 or more vinyl monomers on a composite rubber containing a polyorganosiloxane (B1) and a polyalkyl (meth)acrylate (B2). The content of a component derived from a silane compound containing a vinyl-based polymerizable group in the polyorganosiloxane (B1) is 1 mass % to 10 mass %. The volume-average particle size of the graft copolymer containing rubber is 300 nm to 2000 nm. The content of the polyorganosiloxane (B1) in the graft copolymer containing rubber is 70 mass % to 98 mass %. An acetone soluble matter is 5.0 mass % or more and 30.0 mass % or less.Type: ApplicationFiled: August 13, 2013Publication date: July 7, 2016Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Hiroaki OTONARI, Sohei UEKI, Shinji MATSUOKA
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Publication number: 20160053040Abstract: [Object] Provided is a reinforcing agent for resin that is able to impart excellent impact resistance, resistance to thermal coloration, and resistance to moist heat to a polycarbonate resin. [Solving Means] Disclosed is a reinforcing agent for polycarbonate resin which includes a rubber-like graft polymer, in which a quantity of the ?YI value that is increased by a heat treatment at a temperature of 140° C. for 12 hours and measured for a molded article obtained by molding 3 parts by mass of the reinforcing agent for polycarbonate resin and 97 parts by mass of an aromatic polycarbonate resin having a viscosity average molecular weight of 24,000 under a specific condition is 36 or less and a quantity of the ?MFR value increased by a heat treatment for 60 hours under a condition of a temperature of 120° C. and a relative humidity of 100% is 3 or less. Disclosed is also a resin composition including the reinforcing agent for polycarbonate resin.Type: ApplicationFiled: April 4, 2014Publication date: February 25, 2016Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Yuichiro FUJIKAWA, Shinji MATSUOKA, Mitsufumi NODONO, Hiroaki OTONARI, Haruo SASAKI
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Patent number: 9154257Abstract: A frequency assignment method for selecting a frequency width used on a route connecting between a start point and an end point when the start point and the end point of an optical signal are supplied in a photonic network including an optical node that includes an optical switch for switching the optical signal without electrically terminating the optical signal is disclosed. The frequency assignment method includes steps of: obtaining a correlation amount of use state of wavelength or frequency between adjacent links by referring to a route calculation result; determining a fixed frequency width or variable frequency width to be set for a communication route based on the correlation amount; and assigning the fixed frequency width or the variable frequency width on the route.Type: GrantFiled: October 24, 2011Date of Patent: October 6, 2015Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira Hirano, Yoshiaki Sone, Akihiro Kadohata, Takafumi Tanaka, Shinji Matsuoka
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Publication number: 20150267048Abstract: A graft copolymer capable of providing impact resistance, flame retardance, and color rendering properties to a thermoplastic resin is described. The graft copolymer contains a polyorganosiloxane, and is obtained by graft-polymerizing vinyl monomers including a (meth)acrylate ester (b1) having an alkyl group or an aromatic group and an aromatic vinyl monomer (b2) on a polyorganosiloxane-based rubber. The graft copolymer has a volume average particle diameter of 200-2000 nm, and contains 0.1-69 mass % of polyorganosiloxane. A thermoplastic resin composition is also described, containing a thermoplastic resin (A), the graft copolymer, a fluorine resin (C) and a flame retardant (D). A molded article is also described, which is obtained by molding the thermoplastic resin composition.Type: ApplicationFiled: June 28, 2013Publication date: September 24, 2015Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Ayaka Wakita, Yuichiro Fujikaawa, Sohei Ueki, Shinji Matsuoka
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Publication number: 20140354316Abstract: There is provided a circuit board inspection tool configured to electrically connect a circuit board with a built-in electronic component and a circuit board inspection apparatus configured to inspect a plurality of wiring patterns formed on the circuit board. The circuit board inspection tool includes a plurality of contactors, an electrode body on which the respective contactors abut at the other end and which are electrically connected to the circuit board inspection apparatus, and a holding body having an inspection-side holding unit configured to guide one ends of the contactors to the inspection points and an electrode-side holding unit configured to guide the other ends thereof to the electrode units, wherein an amount of projection of a contactor which abuts on an inspection point of a wiring pattern conductively connected to the electronic component is formed to be greater than that of the other contactors.Type: ApplicationFiled: June 3, 2014Publication date: December 4, 2014Applicant: NIDEC-READ CORPORATIONInventor: Shinji Matsuoka
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Patent number: 8642699Abstract: A fluidity improver for a PC resin that improves the melt fluidity during molding without impairing the excellent properties of the PC resin, and also yields a molded product in which external appearance defects are unlikely. The fluidity improver for an aromatic polycarbonate resin according to the present invention is including a first polymer obtained by polymerizing 0.5 to 99.5 parts by mass of a monomer first mixture including 0.5 to 99.5% by mass of styrene and 0.5 to 99.5% by mass of phenyl (meth)acrylates, in the presence of a second polymer obtained by polymerizing 0.5 to 99.5 parts by mass of a second monomer mixture containing 0.5 to 50% by mass of ?-methylstyrene, 0.5 to 99% by mass of styrene and 0.5 to 99% by mass of phenyl (meth)acrylates, wherein the combined total of both monomer mixtures is 100 parts by mass.Type: GrantFiled: March 11, 2009Date of Patent: February 4, 2014Assignees: Mitsubishi Rayon Co., Ltd., Koito Manufacturing Co., Ltd.Inventors: Shinji Matsuoka, Hidetaka Anma, Kazuyuki Miyake
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Publication number: 20130216226Abstract: A frequency assignment method for selecting a frequency width used on a route connecting between a start point and an end point when the start point and the end point of an optical signal are supplied in a photonic network including an optical node that includes an optical switch for switching the optical signal without electrically terminating the optical signal is disclosed. The frequency assignment method includes steps of: obtaining a correlation amount of use state of wavelength or frequency between adjacent links by referring to a route calculation result; determining a fixed frequency width or variable frequency width to be set for a communication route based on the correlation amount; and assigning the fixed frequency width or the variable frequency width on the route.Type: ApplicationFiled: October 24, 2011Publication date: August 22, 2013Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira Hirano, Yoshiaki Sone, Akihiro Kadohata, Takafumi Tanaka, Shinji Matsuoka
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Patent number: 8202943Abstract: A fluidity-improving agent containing 0.5 to 99.5 parts by mass of a polymer (A) which is obtained by polymerizing a monomer mixture (a) containing 0.5 to 99% by mass of (a1) an aromatic vinyl monomer, 0.5 to 99% by mass of (a2) a phenyl(meth)acrylate or a phenyl(meth)acrylate containing a substituent in a phenyl group, and 0.5 to 5% by mass of (a3) a vinyl monomer including a functional group (X), and 0.5 to 99.5 parts by mass of a polymer (B) which is obtained by polymerizing a monomer mixture (b) containing (b1) a phenyl(meth)acrylate or a phenyl(meth)acrylate containing a substituent in a phenyl group with a compound including a functional group (Y) reactive with the functional group (X), where the total of the polymer (A) and the polymer (B) is 100 parts by mass.Type: GrantFiled: December 25, 2007Date of Patent: June 19, 2012Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Shinji Matsuoka, Yasuhiko Nabeshima
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Publication number: 20110009567Abstract: A fluidity improver for a PC resin that improves the melt fluidity during molding without impairing the excellent properties of the PC resin, and also yields a molded product in which external appearance defects are unlikely. The fluidity improver for an aromatic polycarbonate resin according to the present invention is including a first polymer obtained by polymerizing 0.5 to 99.5 parts by mass of a monomer first mixture including 0.5 to 99.5% by mass of styrene and 0.5 to 99.5% by mass of phenyl (meth)acrylates, in the presence of a second polymer obtained by polymerizing 0.5 to 99.5 parts by mass of a second monomer mixture containing 0.5 to 50% by mass of ?-methylstyrene, 0.5 to 99% by mass of styrene and 0.5 to 99% by mass of phenyl (meth)acrylates, wherein the combined total of both monomer mixtures is 100 parts by mass.Type: ApplicationFiled: March 11, 2009Publication date: January 13, 2011Applicants: Mitsubishi Rayon Co., Ltd., KOITO MANUFACTURING CO., LTD.Inventors: Shinji Matsuoka, Hidetaka Anma, Kazuyuki Miyake