Patents by Inventor Noriyuki Meguriya
Noriyuki Meguriya 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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Publication number: 20240141202Abstract: A siloxane-modified polyurethane resin coating agent composition which includes: (A) a siloxane-modified polyurethane resin; and (B) a solvent, wherein component (A) is a cured product of a composition including: (a) a hydroxyl group-containing organosilicon compound having the formula (1): (R13SiO1/2)k(R12SiO2/2)p(R1SiO3/2)q(SiO4/2)r ??(1) wherein R1 is a group selected from the following formulas (2) and (3) or the like, k, p, q, and r are predetermined integers, wherein R2 to R4 are each hydrogen or the like, and x, y, z, s, t, and u are predetermined numbers; (b) a diisocyanate compound; and (c) an organic compound such as polyols, wherein (c) is m moles, (b) is (l+m)×(0.9 to 1.2) moles each per 1 mole of (a), and m is 0.2 moles or more and less than 1.6 moles, and wherein a content of component (B) is 50 to 98% by weight.Type: ApplicationFiled: October 4, 2023Publication date: May 2, 2024Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Koji Sakuta, Yuji Ando, Noriyuki Meguriya
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Patent number: 10851242Abstract: An addition-curable silicone rubber composition which contains: 100 parts by weight of (A) an organopolysiloxane that is represented by average composition formula (1) R1aSiO(4?a)/2 (wherein R1 represent monovalent hydrocarbon groups that are the same as or different from each other, and a represents a positive number of 1.5-2.8) and has at least two alkenyl groups, each of which is bonded to a silicon atom, in each molecule; 0.3-20 parts by weight of (B) an organohydrogen polysiloxane that has at least two hydrogen atoms (SiH functional groups), each of which is bonded to a silicon atom, in each molecule; 5-80 parts by weight of (C) a reinforcing silica; and (D) an addition reaction catalyst, which is configured of a platinum group metal, in an amount of 0.5-1,000 ppm relative to the total weight of the components (A) and (B).Type: GrantFiled: November 29, 2016Date of Patent: December 1, 2020Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Shigeki Shudo, Nobu Kato, Hidenori Mizushima, Shigeru Ubukata, Noriyuki Meguriya
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Patent number: 10203639Abstract: A thermal fixing roll or belt-forming silicone rubber composition having a high thermal conductivity, a low compression set, and an improved heat resistance which is well adapted for use as a coating material in a fixing roll or fixing belt is provided. Also provided are a fixing roll and a fixing belt formed by using such composition. The thermal fixing roll or belt-forming silicone rubber composition comprises 100 parts by weight of a heat-curable silicone rubber composition and 50 to 800 parts by weight of silicon carbide having an iron content of up to 0.2% by weight at the surface and an average particle size of 1 to 50 ?m.Type: GrantFiled: July 2, 2010Date of Patent: February 12, 2019Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Noriyuki Meguriya, Satao Hirabayashi, Nobumasa Tomizawa, Hiroki Furukawa, Masao Matuhira
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Publication number: 20180346722Abstract: An addition-curable silicone rubber composition which contains: 100 parts by weight of (A) an organopolysiloxane that is represented by average composition formula (1) R1aSiO(4-a)/2 (wherein R1 represent monovalent hydrocarbon groups that are the same as or different from each other, and a represents a positive number of 1.5-2.8) and has at least two alkenyl groups, each of which is bonded to a silicon atom, in each molecule; 0.3-20 parts by weight of (B) an organohydrogen polysiloxane that has at least two hydrogen atoms (SiH functional groups), each of which is bonded to a silicon atom, in each molecule; 5-80 parts by weight of (C) a reinforcing silica; and (D) an addition reaction catalyst, which is configured of a platinum group metal, in an amount of 0.5-1,000 ppm relative to the total weight of the components (A) and (B).Type: ApplicationFiled: November 29, 2016Publication date: December 6, 2018Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Shigeki SHUDO, Nobu KATO, Hidenori MIZUSHIMA, Shigeru UBUKATA, Noriyuki MEGURIYA
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Patent number: 9160011Abstract: For use in a fuel cell separator comprising a separator substrate, a primer layer, and an elastomeric seal, a sealing material comprises a primer composition containing Si—H groups of which the primer layer is formed, and a liquid addition-curable silicone rubber composition containing alkenyl groups and Si—H groups of which the elastomeric seal is formed. A molar ratio of the total amount of Si—H groups to the total amount of alkenyl groups per unit weight of the primer composition and the silicone rubber composition is in the range: 5.0<Si—H/alkenyl<50.0.Type: GrantFiled: February 27, 2009Date of Patent: October 13, 2015Assignees: HONDA MOTOR CO., LTD., Shin-Etsu Chemical Co., Ltd.Inventors: Satoru Terada, Daisuke Okonogi, Noriyuki Meguriya, Osamu Hayashida
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Patent number: 9045637Abstract: An addition curing silicone rubber composition and a cured product thereof are provided. In this composition, amount of the low molecular weight siloxane component volatilizing from the cured product has been reduced, and as a consequence, this composition is free from the problems such as clouding or haze, contact fault, adhesion failure, and hydrophobicization of the surface caused by the deposition of the volatilized low-molecular weight siloxane component on the surrounding surfaces. More specifically, the addition curing silicone rubber composition comprises; (A) 100 parts by weight of a polyorganosiloxane containing, on average, at least two alkenyl groups which are bonded to silicon atom; (B) 0.Type: GrantFiled: April 2, 2008Date of Patent: June 2, 2015Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Noriyuki Meguriya, Shinichi Ide, Toshio Yamazaki
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Patent number: 8831499Abstract: A thermally conductive silicone rubber sponge composition which is composed of 100 parts by weight of heat-curable organopolysiloxane composition, 0.1 to 50 parts by weight of organic resin hollow filler having an average particle diameter of up to 200 ?m and a true specific gravity of up to 0.3, and 20 to 300 parts by weight of thermally conductive filler having an average particle diameter of 1 to 30 ?m and a thermal conductivity of at least 15 W/m·K, with the highly thermally conductive silicone rubber sponge having voids accounting for 10 to 70% of the entire volume thereof. The silicone rubber sponge composition of the present invention gives a silicone rubber sponge having high thermal conductivity, small heat capacity, low hardness, light weight, and low permanent compression set.Type: GrantFiled: December 21, 2011Date of Patent: September 9, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Satao Hirabayashi, Nobumasa Tomizawa, Noriyuki Meguriya
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Patent number: 8795920Abstract: A rubber composition comprising (A) an alkenyl-containing organopolysiloxane, (B) a silicone resinous copolymer, (C) an organohydrogenpolysiloxane, (D) fumed silica having a BET specific surface area of 50-400 m2/g, (E) carbon powder having a BET specific surface area of 30-150 m2/g, and (F) an addition reaction catalyst cures into a product which is useful as a separator seal in PEFCs. The rubber has a reduced compression set even in an acidic atmosphere or in contact with LLC, and the rubber itself has strength and good adhesion to separator substrates. The separator provides excellent seal performance over a long term.Type: GrantFiled: December 4, 2008Date of Patent: August 5, 2014Assignees: Honda Motor Co., Ltd., Shin-Etsu Chemical Co., Ltd.Inventors: Daisuke Okonogi, Satoru Terada, Noriyuki Meguriya, Osamu Hayashida
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Patent number: 8697798Abstract: A silicone rubber composition comprising (A) an organopolysiloxane composition of the organic peroxide cure or addition reaction cure type, (B) a normally solid organic compound having at least two ester bonds per molecule, and (C) particulate aluminum hydroxide having an average particle size of up to 20 ?m is suited for use as high-voltage electric insulator since it maintains insulating properties for a long term in outdoor service and has acid resistance and a long lifetime even in polluted areas.Type: GrantFiled: March 14, 2013Date of Patent: April 15, 2014Assignees: Shin-Etsu Chemical Co., Ltd., NGK Insulators, Ltd.Inventors: Noriyuki Meguriya, Yoshiaki Koike, Osamu Hayashida, Takanori Kondo, Tatsuya Kuroda
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Patent number: 8580889Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) another organohydrogenpolysiloxane containing no other reactive groups than SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.Type: GrantFiled: February 29, 2012Date of Patent: November 12, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Nobu Kato, Noriyuki Meguriya
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Publication number: 20130266799Abstract: A silicone rubber composition comprising (A) an organopolysiloxane composition of the organic peroxide cure or addition reaction cure type, (B) a normally solid organic compound having at least two ester bonds per molecule, and (C) particulate aluminum hydroxide having an average particle size of up to 20 ?m is suited for use as high-voltage electric insulator since it maintains insulating properties for a long term in outdoor service and has acid resistance and a long lifetime even in polluted areas.Type: ApplicationFiled: March 14, 2013Publication date: October 10, 2013Applicants: NGK INSULATORS, LTD., SHIN-ETSU CHEMICAL CO., LTD.Inventors: Noriyuki MEGURIYA, Yoshiaki KOIKE, Osamu HAYASHIDA, Takanori KONDO, Tatsuya KURODA
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Patent number: 8530550Abstract: A crosslinkable rubber composition includes, as essential components: (A) an ethylene-?-olefin-nonconjugated polyene random copolymer rubber in which the nonconjugated polyene has a terminal vinyl group-containing norbornene compound represented by the following general formula (1) or (II), wherein n is an integer of 0 to 10, R1 is H or an alkyl group, and R2 is H or an alkyl group, wherein R3 is H or an alkyl group, and which has a viscosity of not less than 10 Pa·s and less than 1,000 Pa·s at 25° C. under a shear rate of 10 s?1; (B) an organopolysiloxane which has three repeating units of siloxane represented by the following formula and which has three Si-bonded hydrogen atoms per molecule, wherein R4 is a monovalent hydrocarbon group; (C) a reinforcing filler; (D) a curing catalyst; and (E) a curing reaction retarder.Type: GrantFiled: June 1, 2011Date of Patent: September 10, 2013Assignees: Mitsui Chemicals, Inc., Shin-Ets Chemical Co., Ltd.Inventors: Akira Sannomiya, Kenji Iida, Noriyuki Meguriya, Atsuhito Kashima
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Patent number: 8362141Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) an aromatic ring-free organohydrogenpolysiloxane containing at least two SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.Type: GrantFiled: April 4, 2011Date of Patent: January 29, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Nobu Kato, Noriyuki Meguriya, Toshio Yamazaki
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Publication number: 20120232219Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) another organohydrogenpolysiloxane containing no other reactive groups than SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.Type: ApplicationFiled: February 29, 2012Publication date: September 13, 2012Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Nobu KATO, Noriyuki Meguriya
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Publication number: 20120161066Abstract: A thermally conductive silicone rubber sponge composition which is composed of 100 parts by weight of heat-curable organopolysiloxane composition, 0.1 to 50 parts by weight of organic resin hollow filler having an average particle diameter of up to 200 ?m and a true specific gravity of up to 0.3, and 20 to 300 parts by weight of thermally conductive filler having an average particle diameter of 1 to 30 ?m and a thermal conductivity of at least 15 W/m·K, with the highly thermally conductive silicone rubber sponge having voids accounting for 10 to 70% of the entire volume thereof. The silicone rubber sponge composition of the present invention gives a silicone rubber sponge having high thermal conductivity, small heat capacity, low hardness, light weight, and low permanent compression set.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Inventors: Satao HIRABAYASHI, Nobumasa Tomizawa, Noriyuki Meguriya
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Patent number: 8158302Abstract: A rubber composition comprising (A) a liquid alkenyl-containing organopolysiloxane with Mw<100,000, (B) a gum-like organopolysiloxane with Mw?150,000, (C) an organohydrogenpolysiloxane, (D) fumed silica, and (E) an addition reaction catalyst and having a viscosity of 20-200 Pa-s at a shear rate of 10 s?1 and 25° C. is effectively injection moldable into a cured product which is useful as a separator seal in PEFCs.Type: GrantFiled: December 4, 2008Date of Patent: April 17, 2012Assignees: Honda Motor Co., Ltd., Shin-Etsu Chemical Co., Ltd.Inventors: Daisuke Okonogi, Satoru Terada, Noriyuki Meguriya, Osamu Hayashida
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Patent number: 8133949Abstract: Disclosed is a rubber composition for separator seal, comprising (A) a mixture of two or more alkenyl-containing liquid organopolysiloxanes having different weight average molecular weights, (B) an organohydrogenpolysiloxane, (C) fumed silica having a BET specific surface area of 50-400 m2/g, (D) carbon black having a BET specific surface area of 30 to 120 m2/g, an iodine adsorption value of 30 to 120 mg/g, and a DBP absorption value of 100 to 200 ml/100 g, and (E) an addition reaction catalyst cures into a product which is useful as a separator seal in PEFCs.Type: GrantFiled: December 4, 2008Date of Patent: March 13, 2012Assignees: Honda Motor Co., Ltd., Shin-Etsu Chemical Co., Ltd.Inventors: Daisuke Okonogi, Satoru Terada, Noriyuki Meguriya, Osamu Hayashida
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Publication number: 20110301278Abstract: A crosslinkable rubber composition includes, as essential components: (A) an ethylene-?-olefin-nonconjugated polyene random copolymer rubber in which the nonconjugated polyene has a terminal vinyl group-containing norbornene compound represented by the following general formula (1) or (II), wherein n is an integer of 0 to 10, R1 is H or an alkyl group, and R2 is H or an alkyl group, wherein R3 is H or an alkyl group, and which has a viscosity of not less than 10 Pa·s and less than 1,000 Pa·s at 25° C. under a shear rate of 10 s?1; (B) an organopolysiloxane which has three repeating units of siloxane represented by the following formula and which has three Si-bonded hydrogen atoms per molecule, wherein R4 is a monovalent hydrocarbon group; (C) a reinforcing filler; (D) a curing catalyst; and (E) a curing reaction retarder.Type: ApplicationFiled: June 1, 2011Publication date: December 8, 2011Applicants: SHIN-ETSU CHEMICAL CO., LTD., MITSUI CHEMICALS, INC.Inventors: Akira SANNOMIYA, Kenji IIDA, Noriyuki MEGURIYA, Atsuhito KASHIMA
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Publication number: 20110251311Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) an aromatic ring-free organohydrogenpolysiloxane containing at least two SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.Type: ApplicationFiled: April 4, 2011Publication date: October 13, 2011Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Nobu KATO, Noriyuki Meguriya, Toshio Yamazaki
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Publication number: 20110003089Abstract: A thermal fixing roll or belt-forming silicone rubber composition having a high thermal conductivity, a low compression set, and an improved heat resistance which is well adapted for use as a coating material in a fixing roll or fixing belt is provided. Also provided are a fixing roll and a fixing belt formed by using such composition. The thermal fixing roll or belt-forming silicone rubber composition comprises 100 parts by weight of a heat-curable silicone rubber composition and 50 to 800 parts by weight of silicon carbide having an iron content of up to 0.2% by weight at the surface and an average particle size of 1 to 50 ?m.Type: ApplicationFiled: July 2, 2010Publication date: January 6, 2011Inventors: Noriyuki MEGURIYA, Satao HIRABAYASHI, Nobumasa TOMIZAWA, Hiroki FURUKAWA, Masao MATUHIRA