Patents by Inventor Kiyotaka Matsui
Kiyotaka Matsui 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: 11738006Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: GrantFiled: December 17, 2020Date of Patent: August 29, 2023Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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MULTILAYER BODY, METHOD FOR PRODUCING MULTILAYER BODY, FILM FOR LAMINATION, AND IMAGE DISPLAY DEVICE
Publication number: 20230001683Abstract: There is provided a laminate in which when the protective plate breaks due to an impact, not only the scattering of large broken pieces but the scattering of powdery fine broken pieces can be suppressed. A laminate including an adherend and an adjacent layer, wherein the adherend has a first major surface, a second major surface being a back surface of the first major surface, and a lateral surface connecting an edge of the first major surface and an edge of the second major surface, at least the first major surface and the lateral surface of the adherend are covered with the adjacent layer, the adjacent layer has at least a plastic film and a hard coat layer containing a cured product of a curable resin composition in this order from the adherend side, and a softening point F1 of the plastic film and a softening point F2 of the hard coat layer satisfy a relationship of F1<F2.Type: ApplicationFiled: November 26, 2020Publication date: January 5, 2023Inventors: Yoshinari MATSUDA, Sho SUZUKI, Osamu SEIKE, Jun UEDA, Ryohei MIYATA, Kiyotaka MATSUI, Atsushi HORII -
Publication number: 20220184937Abstract: Provided is a method for manufacturing a transfer sheet which can impart a sufficient function to an adherend. The method for manufacturing a transfer sheet includes performing the following steps (1) and (2) in order: (1) applying a coating liquid for forming a transfer layer onto a release substrate 1 to form a transfer layer comprising at least one functional layer; and (2) laminating a release substrate 2 onto the transfer layer to obtain a transfer sheet A comprising the release substrate 1, the transfer layer and the release substrate 2 in the presented order and having a peel strength 2 between the release substrate 2 and the transfer layer larger than a peel strength 1 between the release substrate 1 and the transfer layer.Type: ApplicationFiled: March 27, 2020Publication date: June 16, 2022Inventors: Ryohei MIYATA, Kiyotaka MATSUI, Yoshinari MATSUDA, Jun UEDA, Seiji SHINOHARA, Tomoyuki HORIO, Tatsuya KOZAKAI, Sho SUZUKI
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Publication number: 20210220338Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: ApplicationFiled: December 17, 2020Publication date: July 22, 2021Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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Publication number: 20210046052Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: ApplicationFiled: December 30, 2019Publication date: February 18, 2021Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro ITO, Kiyotaka MATSUI, Masami INUMA
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Patent number: 10898470Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: GrantFiled: December 30, 2019Date of Patent: January 26, 2021Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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Patent number: 10564324Abstract: The present invention aims to provide an optical layered body that has excellent interlayer adhesiveness, particularly even in outdoor use, and also has highly excellent anti-blocking properties. The present invention relates to an optical layered body including: a substrate film; a hard coat layer containing silica fine particles on at least one surface of the substrate film; and a dry film layer on a surface of the hard coat layer opposite to the substrate film side surface of the hard coat layer, wherein the silica fine particles are exposed on the dry film layer side surface of the hard coat layer; the dry film layer is directly formed on the surface of the hard coat layer on which the silica fine particles are exposed; the hard coat layer before the formation of the dry film layer has projections and depressions on the surface on which the dry film layer is to be formed; the hard coat layer has an average silica fine particle abundance in ten 0.2 ?m×0.Type: GrantFiled: July 10, 2017Date of Patent: February 18, 2020Assignees: Dai Nippon Printing Co., Ltd., DEXERIALS CorporationInventors: Tomoyuki Horio, Masataka Nakashima, Hiroshi Nakamura, Takahisa Nomura, Seiji Shinohara, Kiyotaka Matsui, Kentaro Oshima, Satoshi Kuboyama, Yukihiro Ono
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Publication number: 20190227195Abstract: The present invention aims to provide an optical layered body that has excellent interlayer adhesiveness, particularly even in outdoor use, and also has highly excellent anti-blocking properties. The present invention relates to an optical layered body including: a substrate film; a hard coat layer containing silica fine particles on at least one surface of the substrate film; and a dry film layer on a surface of the hard coat layer opposite to the substrate film side surface of the hard coat layer, wherein the silica fine particles are exposed on the dry film layer side surface of the hard coat layer; the dry film layer is directly formed on the surface of the hard coat layer on which the silica fine particles are exposed; the hard coat layer before the formation of the dry film layer has projections and depressions on the surface on which the dry film layer is to be formed; the hard coat layer has an average silica fine particle abundance in ten 0.2 ?m×0.Type: ApplicationFiled: July 10, 2017Publication date: July 25, 2019Applicants: Dai Nippon Printing Co., Ltd., Dexerials CorporationInventors: Tomoyuki HORIO, Masataka NAKASHIMA, Hiroshi NAKAMURA, Takahisa NOMURA, Seiji SHINOHARA, Kiyotaka MATSUI, Kentaro OSHIMA, Satoshi KUBOYAMA, Yukihiro ONO
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Patent number: 8986843Abstract: The present invention has its object to provide an optical layered body having sufficient hardness and an even surface, including a low refractive index layer having a sufficiently low refractive index, and having excellent antireflection properties. optical layered body of the present invention comprises: at least a low refractive index layer on a light-transmitting substrate, wherein said low refractive index layer is formed by using a composition for a low refractive index layer, said composition comprising a hollow silica fine particle and an organic binder, said organic binder containing: a fluorine atom-free polyfunctional monomer having three or more reactive functional groups in one molecule; a fluorine atom-containing monomer; and a fluorine atom-containing polymer.Type: GrantFiled: September 4, 2009Date of Patent: March 24, 2015Assignee: Dai Nippon Printing Co., Ltd.Inventors: Tomoyuki Horio, Mariko Hayashi, Kiyotaka Matsui
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Patent number: 8456070Abstract: The present invention provides an optical layered body having a good antistatic performance and good optical properties as well as an excellent durability. The present invention provides an optical layered body, comprising: an antistatic layer on a light-transmitting substrate, wherein the antistatic layer is a resin thin film layer containing at least an organic conductive material and a nonconductive polymeric material which is a resin having a glass transition temperature of 60° C. or higher or a resin obtainable by a reaction between a resin having a glass transition temperature of 60° C. or higher and a cross-linking agent.Type: GrantFiled: December 27, 2007Date of Patent: June 4, 2013Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kiyoshi Itoh, Yoko Kinoshita, Kiyotaka Matsui
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Patent number: 8236408Abstract: To provide an optical laminate that can sufficiently exhibit the function of a functional material such as an antistatic agent or fine particles in the obtained laminate without using a binder material for fixing the functional material to the substrate, as well as a method for manufacturing the same, there is obtained the optical laminate by step (A1) in which the substrate is coated with a composition (a) containing a solvent capable of swelling or dissolving the substrate and the functional material, step (A2) of drying, and step (A3) of forming a resin layer on the coated substrate.Type: GrantFiled: December 27, 2007Date of Patent: August 7, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kiyotaka Matsui, Masataka Nakashima, Kiyoshi Itoh
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Publication number: 20110123774Abstract: To provide an optical laminate that can sufficiently exhibit the function of a functional material such as an antistatic agent or fine particles in the obtained laminate without using a binder material for fixing the functional material to the substrate, as well as a method for manufacturing the same, there is obtained the optical laminate by step (A1) in which the substrate is coated with a composition (a) containing a solvent capable of swelling or dissolving the substrate and the functional material, step (A2) of drying, and step (A3) of forming a resin layer on the coated substrate.Type: ApplicationFiled: December 27, 2007Publication date: May 26, 2011Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kiyotaka Matsui, Masataka Nakashima, Kiyoshi Itoh
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Publication number: 20100096970Abstract: The present invention provides an optical layered body having a good antistatic performance and good optical properties as well as an excellent durability. The present invention provides an optical layered body, comprising: an antistatic layer on a light-transmitting substrate, wherein the antistatic layer is a resin thin film layer containing at least an organic conductive material and a nonconductive polymeric material which is a resin having a glass transition temperature of 60° C. or higher or a resin obtainable by a reaction between a resin having a glass transition temperature of 60° C. or higher and a cross-linking agent.Type: ApplicationFiled: December 27, 2007Publication date: April 22, 2010Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kiyoshi Itoh, Yoko Kinoshita, Kiyotaka Matsui
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Publication number: 20100067109Abstract: The present invention has its object to provide an optical layered body having sufficient hardness and an even surface, including a low refractive index layer having a sufficiently low refractive index, and having excellent antireflection properties. An optical layered body of the present invention comprises: at least a low refractive index layer on a light-transmitting substrate, wherein said low refractive index layer is formed by using a composition for a low refractive index layer, said composition comprising a hollow silica fine particle and an organic binder, said organic binder containing: a fluorine atom-free polyfunctional monomer having three or more reactive functional groups in one molecule; a fluorine atom-containing monomer; and a fluorine atom-containing polymer.Type: ApplicationFiled: September 4, 2009Publication date: March 18, 2010Applicant: Dai Nippon Printing Co., Ltd.Inventors: Tomoyuki Horio, Markio Hayashi, Kiyotaka Matsui
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Publication number: 20090075074Abstract: It is an object of the present invention to provide an optical layered body which is produced at low cost and is superior in all an antistatic property, hardness and optical properties such as haze and a total light transmittance. An optical layered body comprising a light-transmitting substrate and a hard coat layer formed on the light-transmitting substrate, wherein the hard coat layer is a resin layer formed from a hard coat layer-forming composition containing a quaternary ammonium salt having a weight average molecular weight of 1000 to 50000, a tri- or morefunctional (meth)acrylate compound having a weight average molecular weight of 700 or less, and a permeable solvent; and a content of the quaternary ammonium salt in the hard coat layer is 0.5 to 18% by weight.Type: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Applicant: Dai Nippon Printing Co., Ltd.Inventors: Tomoyuki Horio, Yukimitsu Iwata, Takashi Kodama, Mariko Hayashi, Kenji Ueno, Atsuhiro Kobayashi, Yoshimasa Ogawa, Yuichi Takaura, Junya Eguchi, Kiyotaka Matsui