Patents by Inventor Hirotaka Tsuruya
Hirotaka Tsuruya 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: 20200384746Abstract: The present invention is able to provide a stretched multilayer thermoplastic resin film which comprises layers containing a thermoplastic resin (B) on both surfaces of a layer that contains a thermoplastic resin (A) and elastic particles, and wherein: respective intrinsic birefringences of the thermoplastic resin (A) and the thermoplastic resin (B) are within the range of from ?0.005 to 0.005; the content ratio of the elastic particles in the whole layer containing the thermoplastic resin (A) and the elastic particles is 5-40% by weight; the glass transition temperature of the thermoplastic resin (B) is 110° C. or higher and the saturation water absorption of the thermoplastic resin (B) is less than 1.1 wt %.Type: ApplicationFiled: March 8, 2018Publication date: December 10, 2020Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Ken TAGUWA, Noriaki OCHI, Tatsuki NYUUI, Hirotaka TSURUYA
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Patent number: 10816699Abstract: The present invention provides a functional sheet including a functional layer provided between protective layers. The functional layer is a polarizing film layer, a photochromic layer, or a combination of the polarizing film layer and the photochromic layer. At least one of the protective layers includes a layer formed of a resin (C) containing a polyester resin (A) obtained as a result of polycondensation of 1,4-cyclohexanedimethanol and 1,4-cyclohexanedicarboxylic acid and an aromatic polycarbonate resin (B), the polyester resin (A) being contained at a content of 10 to 100 parts by mass and the aromatic polycarbonate resin (B) being contained at a content of 0 to 90 parts by mass with respect to 100 parts by mass as a total of the polyester resin (A) and the aromatic polycarbonate resin (B). A lens is provided with such a functional sheet.Type: GrantFiled: December 1, 2015Date of Patent: October 27, 2020Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.Inventors: Kyousuke Nakamura, Takuya Gotou, Hirotaka Tsuruya, Kazuhisa Mitsuhata
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Publication number: 20200118706Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Ken SHIMOMAI, Hirotaka TSURUYA, Masahide SUGIYAMA, Yutaka NISHIBAYASHI
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Patent number: 10546665Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.Type: GrantFiled: February 6, 2014Date of Patent: January 28, 2020Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Ken Shimomai, Hirotaka Tsuruya, Masahide Sugiyama, Yutaka Nishibayashi
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Publication number: 20170329054Abstract: The present invention provides a functional sheet including a functional layer provided between protective layers. The functional layer is a polarizing film layer, a photochromic layer, or a combination of the polarizing film layer and the photochromic layer. At least one of the protective layers includes a layer formed of a resin (C) containing a polyester resin (A) obtained as a result of polycondensation of 1,4-cyclohexanedimethanol and 1,4-cyclohexanedicarboxylic acid and an aromatic polycarbonate resin (B), the polyester resin (A) being contained at a content of 10 to 100 parts by mass and the aromatic polycarbonate resin (B) being contained at a content of 0 to 90 parts by mass with respect to 100 parts by mass as a total of the polyester resin (A) and the aromatic polycarbonate resin (B). A lens is provided with such a functional sheet.Type: ApplicationFiled: December 1, 2015Publication date: November 16, 2017Applicants: Mitsubishi Gas Chemical Company, Inc., MGC Filsheet Co., Ltd.Inventors: Kyousuke NAKAMURA, Takuya GOTOU, Hirotaka TSURUYA, Kazuhisa MITSUHATA
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Patent number: 9394447Abstract: Provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed and further adding water thereto and a method for producing the same. Also, provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed, further adding a coupling agent having an alkoxide group and then adding water thereto and a method for producing the same. Further, provided is a high dielectric constant resin composite material obtained by blending the insulated ultrafine powder of the present invention with a resin in a volume ratio (insulated ultrafine powder/resin) falling in a range of 5/95 to 50/50.Type: GrantFiled: February 10, 2014Date of Patent: July 19, 2016Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takahiro Matsumoto, Hirotaka Tsuruya, Hajime Ban, Reiki Akita
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Patent number: 9315673Abstract: Provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed and further adding water thereto and a method for producing the same. Also, provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed, further adding a coupling agent having an alkoxide group and then adding water thereto and a method for producing the same. Further, provided is a high dielectric constant resin composite material obtained by blending the insulated ultrafine powder of the present invention with a resin in a volume ratio (insulated ultrafine powder/resin) falling in a range of 5/95 to 50/50.Type: GrantFiled: July 9, 2010Date of Patent: April 19, 2016Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takahiro Matsumoto, Hirotaka Tsuruya, Hajime Ban, Reiki Akita
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Publication number: 20150380125Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.Type: ApplicationFiled: February 6, 2014Publication date: December 31, 2015Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Ken SHIMOMAI, Hirotaka TSURUYA, Masahide SUGIYAMA, Yutaka NISHIBAYASHI
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Publication number: 20140170305Abstract: Provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed and further adding water thereto and a method for producing the same. Also, provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed, further adding a coupling agent having an alkoxide group and then adding water thereto and a method for producing the same. Further, provided is a high dielectric constant resin composite material obtained by blending the insulated ultrafine powder of the present invention with a resin in a volume ratio (insulated ultrafine powder/resin) falling in a range of 5/95 to 50/50.Type: ApplicationFiled: February 10, 2014Publication date: June 19, 2014Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takahiro MATSUMOTO, Hirotaka TSURUYA, Hajime BAN, Reiki AKITA
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Publication number: 20120142836Abstract: Provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed and further adding water thereto and a method for producing the same. Also, provided are an insulated ultrafine powder obtained by adding liquid metal alkoxide to a methanol-containing organic solvent in which a conductive ultrafine powder comprising a carbon material is dispersed, further adding a coupling agent having an alkoxide group and then adding water thereto and a method for producing the same. Further, provided is a high dielectric constant resin composite material obtained by blending the insulated ultrafine powder of the present invention with a resin in a volume ratio (insulated ultrafine powder/resin) falling in a range of 5/95 to 50/50.Type: ApplicationFiled: July 9, 2010Publication date: June 7, 2012Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takahiro Matsumoto, Hirotaka Tsuruya, Hajime Ban, Reiki Akita
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Patent number: 8187710Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: GrantFiled: January 19, 2011Date of Patent: May 29, 2012Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya
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Patent number: 8184035Abstract: The present invention provides an insulated ultrafine powder containing electrically conductive ultrafine particles coated with an insulation coating, characterized in that the electrically conductive ultrafine particles are formed of a carbon material which is in the form of spherical particles having a diameter of 1 nm or more and 500 nm or less, fibers having a cross-sectional diameter of 1 nm or more and 500 nm or less, or plate-like particles having a thickness of 1 nm or more and 500 nm or less; the insulation coating is formed of an insulating metal oxide or a hydrate thereof; and the thickness of the insulation coating is 0.Type: GrantFiled: August 4, 2005Date of Patent: May 22, 2012Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya, Takuya Goto, Masahiro Fujiwara
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Patent number: 8173051Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: GrantFiled: September 11, 2009Date of Patent: May 8, 2012Assignee: Mitsubishi Gas Chemical Co., Inc.Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya
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Publication number: 20110108776Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: ApplicationFiled: January 19, 2011Publication date: May 12, 2011Inventors: Takahiro MATSUMOTO, Toshiaki Yamada, Hirotaka Tsuruya
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Publication number: 20110102231Abstract: The present invention provides an insulated ultrafine powder containing electrically conductive ultrafine particles coated with an insulation coating, characterized in that the electrically conductive ultrafine particles are formed of a carbon material which is in the form of spherical particles having a diameter of 1 nm or more and 500 nm or less, fibers having a cross-sectional diameter of 1 nm or more and 500 nm or less, or plate-like particles having a thickness of 1 nm or more and 500 nm or less; the insulation coating is formed of an insulating metal oxide or a hydrate thereof; and the thickness of the insulation coating is 0.Type: ApplicationFiled: August 4, 2005Publication date: May 5, 2011Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya, Takuya Goto, Masahiro Fujiwara
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Publication number: 20100009179Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: ApplicationFiled: September 11, 2009Publication date: January 14, 2010Inventors: Takahiro MATSUMOTO, Toshiaki Yamada, Hirotaka Tsuruya
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Patent number: 7592065Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: GrantFiled: February 13, 2004Date of Patent: September 22, 2009Assignee: Mitsubishi Gas Chemical Company Inc.Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya
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Patent number: 7256157Abstract: A carbon material for electric double layer capacitor electrodes which is obtained by a heat treatment and an activation treatment of a material pitch having a softening point in a range of 150 to 350° C., a ratio of amounts by atom of hydrogen to carbon (H/C) in a range of 0.50 to 0.90 and a content of optically anisotropic components of 50% or greater. The material pitch is preferably a synthetic pitch obtained by polymerizing a condensed polycyclic hydrocarbon such as naphthalene, methylnaphthalene, anthracene, phenanthrene, acenaphthene, acenaphthylene and pyrene in the presence of an ultra-strong acid catalyst such as a hydrogen fluoride-boron trifluoride complex. Electric double layer capacitors having a high electrode density and a high electrostatic capacity per unit volume can be constructed using the carbon material.Type: GrantFiled: November 10, 2003Date of Patent: August 14, 2007Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Hirotaka Tsuruya, Koichi Kanno, Hitoshi Sakamoto, Yuzuru Takahashi
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Patent number: 7008526Abstract: When a pitch composition prepared by mixing 100 parts by weight of mesophase pitch with 10 to 1,000 parts by weight of coal tar pitch, is heat-treated at a temperature of 500° C. or higher, it is possible to produce a high-density coke at a high yield while avoiding the foaming of the mesophase pitch. In addition, when the coke is graphitized at a temperature of 2,000° C. or higher, it is possible to obtain an artificial graphite having a high graphitization degree. Further, when the coke is first pulverized and then graphitized at a temperature of 2,000° C. or higher, it is possible to obtain a high-crystallinity graphite powder which can be suitably used as a carbon material for a negative electrode of non-aqueous solvent type secondary battery having a high discharge capacity and a high charge-discharge efficiency.Type: GrantFiled: August 8, 2001Date of Patent: March 7, 2006Assignee: Mistubishi Gas Chemical Company, Inc.Inventors: Koichi Kanno, Hirotaka Tsuruya, Ryuji Fujiura
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Publication number: 20040162365Abstract: There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is capable of covering the surfaces of the insulated ultrafine powder with the insulating film having a thickness in the range of 0.3 to 100 nm without causing any clearance or vacancy; and a resin composite material which uses the same. A high dielectric constant of the material is assured by adding a small amount of insulated ultrafine powder wherein an insulating film is applied to the electroconductive ultrafine powder, while maintaining the processability and moldability that are the characteristics inherent in a resin material.Type: ApplicationFiled: February 13, 2004Publication date: August 19, 2004Inventors: Takahiro Matsumoto, Toshiaki Yamada, Hirotaka Tsuruya