Patents by Inventor Toru Masatomi
Toru Masatomi 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: 10370565Abstract: A curable organopolysiloxane composition containing a fluoroalkyl group, the curable organopolysiloxane composition containing: (A) (R13SiO1/2)a(R22SiO)b(R3SiO3/2)c(SiO2)d where 10 mol % or more of substitution groups are fluoroalkyl groups, other substitution groups are alkyl groups or the like, and a, b, c, and d represent a number satisfying 0?a?0.5, 0?b?0.7, 0?c?1, 0?d?0.7, 0.3?c+d?1, and a+b+c+d=1; (B) R43Si(OSiR42)eOSiR43 where 5 mol % or more of substitution groups are fluoroalkyl groups, and of other R4s, at least two are alkenyl groups; (C) is an organohydrogen polysiloxane; (D) is an effective amount of a hydrosilylation reaction catalyst; and (E) is a solvent. The curable composition provides a high dielectric constant and favorable transparency. A pressure-sensitive adhesive as a cured product thereof, and a display device, are also provided.Type: GrantFiled: December 11, 2015Date of Patent: August 6, 2019Assignee: Dow Toray Co., Ltd.Inventors: Hiroshi Fukui, Toru Masatomi, Takuya Ogawa
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Patent number: 10357947Abstract: A curable organopolysiloxane composition containing a fluoroalkyl group is disclosed. The composition comprises: (A) an organopolysiloxane containing a fluoroalkyl group, having at least two alkenyl groups in a molecule, where 10 mol % or more of all substitution groups on the silicon atoms is a fluoroalkyl group, and the average degree of polymerization is less than 150; (B) an organohydrogen polysiloxane having at least two silicon-bonded hydrogen atoms in a molecule at an amount where the silicon-bonded hydrogen atoms in the component is 0.1 to 1.0 mol with regard to a total of 1 mol of the alkenyl groups in component (A); (C) an effective amount of a hydrosilylation reaction catalyst; and optionally, (D) a solvent. The composition generally has a high dielectric constant and favorable transparency. A cured product and applications of the composition and the cured product thereof are also disclosed.Type: GrantFiled: March 9, 2016Date of Patent: July 23, 2019Assignee: DOW TORAY CO., LTD.Inventors: Hiroshi Fukui, Toru Masatomi, Takuya Ogawa
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Publication number: 20190127531Abstract: This disclosure provides a highly dielectric film that is formed of a fluoroalkyl-group-containing organopolysiloxane cured product and that has a high dielectric constant and is substantially flat and uniform in a width direction of the film, usages thereof and a manufacturing method therefor. There is provided the highly dielectric film formed of a fluoroalkyl-group-containing organopolysiloxane cured product, in which in a width direction of the film, a difference between a thickness at an end of the film and a thickness at a center of the film is 5.0% or less, and the thickness at the center of the film falls within a range of 50 to 1000 ?m. Such a film may be provided with a primer layer and a planarization layer, and the film may be obtained by means of rolling and may also be obtained by means of curing performed between separators provided with a separation layer.Type: ApplicationFiled: April 12, 2017Publication date: May 2, 2019Inventors: Hiroshi FUKUI, Toru MASATOMI, Takeaki TSUDA
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Publication number: 20180215958Abstract: A curable organopolysiloxane composition containing a fluoroalkyl group, the curable organopolysiloxane composition containing: (A) (R13SiO1/2)a(R22SiO)b(R3SiO3/2)c(SiO2)d where 10 mol % or more of substitution groups are fluoroalkyl groups, other substitution groups are alkyl groups or the like, and a, b, c, and d represent a number satisfying 0?a?0.5, 0?b?0.7, 0?c?1, 0?d?0.7, 0.3?c+d?1, and a+b+c+d=1; (B) R43Si(OSiR42)eOSiR43 where 5 mol % or more of substitution groups are fluoroalkyl groups, and of other R4s, at least two are alkenyl groups; (C) is an organohydrogen polysiloxane; (D) is an effective amount of a hydrosilylation reaction catalyst; and (E) is a solvent. The curable composition provides a high dielectric constant and favorable transparency. A pressure-sensitive adhesive as a cured product thereof, and a display device, are also provided.Type: ApplicationFiled: December 11, 2015Publication date: August 2, 2018Inventors: Hiroshi FUKUI, Toru MASATOMI, Takuya OGAWA
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Publication number: 20180065347Abstract: A curable organopolysiloxane composition containing a fluoroalkyl group is disclosed. The composition comprises: (A) an organopolysiloxane containing a fluoroalkyl group, having at least two alkenyl groups in a molecule, where 10 mol % or more of all substitution groups on the silicon atoms is a fluoroalkyl group, and the average degree of polymerization is less than 150; (B) an organohydrogen polysiloxane having at least two silicon-bonded hydrogen atoms in a molecule at an amount where the silicon-bonded hydrogen atoms in the component is 0.1 to 1.0 mol with regard to a total of 1 mol of the alkenyl groups in component (A); (C) an effective amount of a hydrosilylation reaction catalyst; and optionally, (D) a solvent. The composition generally has a high dielectric constant and favorable transparency. A cured product and applications of the composition and the cured product thereof are also disclosed.Type: ApplicationFiled: March 9, 2016Publication date: March 8, 2018Inventors: Hiroshi FUKUI, Toru MASATOMI, Takuya OGAWA
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Patent number: 9415001Abstract: A liquid aryl group-containing polyorganosiloxane comprising an arylsiloxy unit represented by RSiO3/2 (wherein R is an aryl group), wherein: the arylsiloxy unit constitutes from 20 to 50 mol % of all the siloxy units constituting the polymer, and an average number of moles of aryl groups per 1 mole of Si atoms in the molecule is within a range of 1.20 to 1.65. A composition with an oil agent of the same, wherein the overall refractive index of the composition is not less than 1.45, and an overall viscosity at 25° C. of the composition is in a range from 100 to 100,000 mPa·s.Type: GrantFiled: March 8, 2013Date of Patent: August 16, 2016Assignee: DOW CORNING TORAY CO., LTD.Inventors: Toru Masatomi, Jun Miyano, Satoshi Onodera, Yasue Kanzaki
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Patent number: 9273224Abstract: To provide a coating agent composition that cures to form a transparent film that exhibits a high water repellency, a high durability, and an excellent adhesiveness to substrate. A coating agent composition that characteristically comprises (A) an acrylic copolymer obtained by the radical copolymerization of (A1) 1 mole silane compound represented by the general formula: CH2?C(R1)—COO-Q-SiR2n(OR3)3-n, (A2) 3.70 to 6.20 moles of at least one compound that contains a vinyl polymerizable unsaturated bond, and (A3) 1.05 to 1.80 moles of a siloxysilane compound represented by general formula (2): CH2?C(R1)—COO-Q-Si(OSiR43)3 at an molar ratio (A1)/{(A1)+(A2)+(A3)}=0.11 to 0.17; and (B) a condensation reaction catalyst.Type: GrantFiled: June 3, 2009Date of Patent: March 1, 2016Assignee: DOW CORNING TORAY CO., LTD.Inventors: Satoshi Onodera, Toru Masatomi, Motoshi Sasaki
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Publication number: 20150164774Abstract: A liquid aryl group-containing polyorganosiloxane comprising an arylsiloxy unit represented by RSiO3/2 (wherein R is an aryl group), wherein: the arylsiloxy unit constitutes from 20 to 50 mol % of all the siloxy units constituting the polymer, and an average number of moles of aryl groups per 1 mole of Si atoms in the molecule is within a range of 1.20 to 1.65. A composition with an oil agent of the same, wherein the overall refractive index of the composition is not less than 1.45, and an overall viscosity at 25° C. of the composition is in a range from 100 to 100,000 mPa·s.Type: ApplicationFiled: March 8, 2013Publication date: June 18, 2015Inventors: Toru Masatomi, Jun Miyano, Satoshi Onodera, Yasue Kanzaki
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Publication number: 20130338265Abstract: To provide a curable epoxy resin composition that exhibits excellent fluidity during molding without having adverse effects on the physical properties of the cured material. A curable epoxy resin composition, containing (I) a curable epoxy resin, and (II) an epoxy functional group- and aromatic hydrocarbon group-containing organopolysiloxane having an epoxy equivalent weight of 3,000 or lower, a content of aromatic hydrocarbon groups of 45 to 80% by weight (mass), and a glass transition point of less than 0° C.Type: ApplicationFiled: December 27, 2011Publication date: December 19, 2013Applicant: Dow Corning Toray Co., Ltd.Inventors: Toru Masatomi, Takeshi Yoshizawa, Yoshitsugu Morita, Motoshi Sasaki
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Publication number: 20110124800Abstract: To provide a coating agent composition that cures to form a transparent film that exhibits a high water repellency, a high durability, and an excellent adhesiveness to substrate. A coating agent composition that characteristically comprises (A) an acrylic copolymer obtained by the radical copolymerization of (A1) 1 mole silane compound represented by the general formula: CH2?C(R1)—COO-Q-SiR2n(OR3)3-n, (A2) 3.70 to 6.20 moles of at least one compound that contains a vinyl polymerizable unsaturated bond, and (A3) 1.05 to 1.80 moles of a siloxysilane compound represented by general formula (2): CH2?C(R1)—COO-Q-Si(OSiR43)3 at an molar ratio (A1)/{(A1)+(A2)+(A3)}=0.11 to 0.17; and (B) a condensation reaction catalyst.Type: ApplicationFiled: June 3, 2009Publication date: May 26, 2011Inventors: Satoshi Onodera, Toru Masatomi, Motoshi Sasaki
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Patent number: 7795360Abstract: A coating agent composition of the present invention consists of: (A) an acrylic-type copolymer that has a weight-average molecular weight within the range of 3,000 to 100,000 and contains in its side molecular chains hydrolysable silyl groups of the following formula: —COO-Q-SiR2n(OR3)3-n and organosiloxysilyl groups of the following formula: —COO-Q-Si(OSiR43)3; and (B) a condensation-reaction accelerating catalyst. Prior to curing, the composition demonstrates excellent storage stability and coating properties, while after curing the composition produces a coating film of high hardness that has excellent water-repellent properties and durability.Type: GrantFiled: June 25, 2004Date of Patent: September 14, 2010Assignee: Dow Corning Toray Company, Ltd.Inventors: Toru Masatomi, Motoshi Sasaki, Hideki Kobayashi
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Patent number: 7368500Abstract: A film-forming silicone resin composition, comprising a reaction product obtained by a method comprising the step of heating (A) an alkoxysilyl-functional organopolysiloxane obtained by running an equilibration reaction with components comprising (A1) a polydiorganosiloxane and (A2) an alkylpolysilicate in the presence of (A3) an equilibration polymerization catalyst; (B) colloidal silica, aluminum oxide, antimony oxide, titanium oxide, or zirconium oxide; and (C) water, and a curable film-forming silicone resin composition, comprising above film-forming silicone resin composition and (E) a condensation reaction catalyst.Type: GrantFiled: July 26, 2002Date of Patent: May 6, 2008Assignee: Dow Corning Toray Silicone Co. Ltd.Inventors: Hideki Kobayashi, Motoshi Sasaki, Toru Masatomi
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Publication number: 20070167559Abstract: A coating agent composition of the present invention consists of: (A) an acrylic-type copolymer that has a weight-average molecular weight within the range of 3,000 to 100,000 and contains in its side molecular chains hydrolysable silyl groups of the following formula: —COO-Q-SiR2n(OR3)3-n and organosiloxysilyl groups of the following formula: —COO-Q-Si(OSiR43)3; and (B) a condensation-reaction accelerating catalyst. Prior to curing, the composition demonstrates excellent storage stability and coating properties, while after curing the composition produces a coating film of high hardness that has excellent water-repellent properties and durability.Type: ApplicationFiled: June 25, 2004Publication date: July 19, 2007Applicant: DOW CORNING TORAY COMPANY, LTD.Inventors: Toru Masatomi, Motoshi Sasaki, Hideki Kobayashi
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Patent number: 7074874Abstract: Liquid alkoxysilyl-functional silicone resins having excellent storage stability and a method of preparing these liquid alkoxysilyl-functional silicone resins comprising running an equilibration polymerization reaction with components comprising (A) a polydiorganosiloxane and (B) an alkyl polysilicate in the presence of (C) an equilibration polymerization catalyst. Curable silicone resin compositions comprising the aforesaid liquid alkoxy-functional silicone resins which have excellent curability and when cured form a water-repellent coating on a variety of substrate surfaces.Type: GrantFiled: June 27, 2002Date of Patent: July 11, 2006Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Hideki Kobayashi, Motoshi Sasaki, Toru Masatomi
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Patent number: 7019069Abstract: Resinous composition comprising: (A) 100 weight parts of (R2SiO2/2)w(RSiO3/2)x(SiO4/2)y(O1/2R1)z wherein R is selected from the group consisting of monovalent hydrocarbon groups having 1 to 10 carbon atoms, R1 is selected from the group consisting of the hydrogen atom and saturated hydrocarbon groups having from 1 to 6 carbon atoms, w is a number from 0 to 0.2, x is a number from 0.4 to 0.9, y is a number from 0.1 to 0.6, z is a number from 0.1 to 0.5, and (w+x+y)=1; (B) 20 to 150 weight parts of an alcohol-based solvent; (C) 100 to 1000 weight parts of a solvent selected from the group consisting of hydrocarbon-based solvents and polydimethylsiloxanes described by the formula Me3SiO(Me2SiO)nSiMe3, wherein Me is the methyl group and n has a value of 0 or 1; (D) 1 to 100 weight parts of a coupling agent selected from the group consisting of alkoxysilanes and silane coupling agents; (E) 0.1 to 20 weight parts of a condensation catalyst, and (F) 0.Type: GrantFiled: February 12, 2001Date of Patent: March 28, 2006Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Hideki Kobayashi, Mari Tateishi, Toru Masatomi
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Publication number: 20040254291Abstract: A film-forming silicone resin composition, comprising a reaction product obtained by a method comprising the step of heating (A) an alkoxysilyl-functional organopolysiloxane obtained by running an equilibration reaction with components comprising (A1) a polydiorganosiloxane and (A2) an alkylpolysilicate in the presence of (A3) an equilibration polymerization catalyst; (B) colloidal silica, aluminum oxide, antimony oxide, titanium oxide, or zirconium oxide; and (C) water, and a curable film-forming silicone resin composition, comprising above film-forming silicone resin composition and (E) a condensation reaction catalyst.Type: ApplicationFiled: May 13, 2004Publication date: December 16, 2004Inventors: Hideki Kobayashi, Motoshi Sasaki, Toru Masatomi
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Publication number: 20040158018Abstract: Liquid alkoxysilyl-functional silicone resins having excellent storage stability and a method of preparing these liquid alkoxysilyl-functional silicone resins comprising running an equilibration polymerization reaction with components comprising (A) a polydiorganosiloxane and (B) an alkyl polysilicate in the presence of (C) an equilibration polymerization catalyst. This invention also relates to curable silicone resin compositions comprising the aforesaid liquid alkoxy-functional silicone resins which have excellent curability and when cured form a water-repellent coating on a variety of substrate surfaces.Type: ApplicationFiled: December 17, 2003Publication date: August 12, 2004Inventors: Hideki Kobayahi, Motoshi Sasaki, Toru Masatomi
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Publication number: 20040050297Abstract: Resinous composition comprising: (A) 100 weight parts ofType: ApplicationFiled: September 8, 2003Publication date: March 18, 2004Inventors: Hideki Kobayashi, Mari Tateishi, Toru Masatomi
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Patent number: 6376695Abstract: An organosilicon-modified charge transporting compound having a structure represented by the following Formula (I): wherein A represents a charge transporting group, Q represents a hydrolytic group or a hydroxyl group, R2 represents a monovalent hydrocarbon group or a halogen-substituted monovalent hydrocarbon group having 1 to 15 carbon atoms, n is 1 to 18, m is 1 to 3, and 1 is 1 to 5; and a curable composition containing the organosilicon-modified charge transporting compound and a cure type resin chiefly composed of an organosilicon high polymer.Type: GrantFiled: November 5, 1996Date of Patent: April 23, 2002Assignees: Dow Corning Asia Ltd., Dow Corning Toray Silicone Co., Ltd., Canon Kabushiki KaishaInventors: Nobuo Kushibiki, Kikuko Takeuchi, Hideki Kobayashi, Toru Masatomi, Kazuo Yoshinaga, Yuichi Hashimoto, Shunichiro Nishida
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Patent number: 6303675Abstract: A silicone rubber composition comprising 0.01 to 50 weight percent of a perfluoroalkyl group-containing polydiorganosiloxane having on a side chain (F1) an organic group selected from the group consisting of polyoxyalkylene group-containing organic groups, C12 or higher alkyl group, and polydialkylsiloxane chain-containing organic groups, and having of a side chain or at a molecular chain terminal (F2) a perfluoroalkyl group-containing organic group described by the general formula F(CF2)a—R1—, where R1 is selected from the group consisting of an alkylene group, an alkyleneoxyalkylene group, and a group in which ═CO or —COO— is present in an alkylelne chain, and a is an integer of at least 3, and having a weight average molecular weight of at least 1000.Type: GrantFiled: February 21, 2000Date of Patent: October 16, 2001Assignee: Dow Corning Toray Silicone Company, Ltd.Inventors: Hideki Kobayashi, Hiroshi Honma, Toru Masatomi