Patents by Inventor Yuuzou Muramatsu
Yuuzou Muramatsu 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: 8039065Abstract: To provide an antireflection film which is easily and inexpensively producible and which has an antireflection property, a scratch resistance and a stain resistance in a sufficient level, and a polarizing plate and a liquid crystal display device utilizing the antireflection film of such excellent ability, the antireflection film includes a transparent support and a low-refractive index layer having a lower refractive index than the transparent support, wherein the low-refractive index layer is an outermost layer, and the low-refractive index layer contains a hollow silica particle and a compound that reduces a surface free energy of the outermost layer.Type: GrantFiled: December 24, 2004Date of Patent: October 18, 2011Assignee: FUJIFILM CorporationInventors: Akira Ikeda, Yuuzou Muramatsu, Kazuhiro Nakamura, Eiichi Kato
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Patent number: 7592121Abstract: An antireflection film that has sufficient antireflection capability and antifouling property and is improved in scratch resistance, and a process for producing an antireflection film with considerably high productivity are provided, which is an antireflection film comprising a transparent support, a hard coat layer and a low refractive index layer, in this order, wherein the hard coat layer includes a polymerized product of (A) an ethylene oxide or propylene oxide adduct of a polyfunctional acrylate monomer and (B) a polyfunctional acrylate monomer having no oxide adduct.Type: GrantFiled: January 22, 2004Date of Patent: September 22, 2009Assignee: Fujifilm CorporationInventor: Yuuzou Muramatsu
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Publication number: 20080137206Abstract: A film comprises: a transparent support; and an anti-glare layer having a haze value due to internal scattering of from 0 to 40% and a haze value due to surface scattering of from 0.3 to 20%.Type: ApplicationFiled: February 22, 2006Publication date: June 12, 2008Applicant: FUJIFILM CorporationInventors: Kazuhiro Nakamura, Katsumi Inoue, Yuuzou Muramatsu, Rikio Inoue
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Publication number: 20080014373Abstract: An optical film includes an antistatic film comprising at least an electroconductive material and cellulose acylate.Type: ApplicationFiled: July 28, 2005Publication date: January 17, 2008Inventors: Yuuzou Muramatsu, Kenichi Nakamura
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Publication number: 20070146887Abstract: To provide an antireflection film which is easily and inexpensively producible and which has an antireflection property, a scratch resistance and a stain resistance in a sufficient level, and a polarizing plate and a liquid crystal display device utilizing the antireflection film of such excellent ability, the antireflection film includs a transparent support and a low-refractive index layer having a lower refractive index than the transparent support, wherein the low-refractive index layer is an outermost layer, and the low-refractive index layer contains a hollow silica particle and a compound that reduces a surface free energy of the outermost layer.Type: ApplicationFiled: December 24, 2004Publication date: June 28, 2007Applicant: Fuji Photo Film Co., Ltd.Inventors: Akira Ikeda, Yuuzou Muramatsu, Kazuhiro Nakamura, Eiichi Kato
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Patent number: 7226499Abstract: The present invention relates to a cellulose acylate film having a high modulus of elasticity and a high surface hardness. The cellulose acylate film of the present invention is characterized by containing 1 vol % to 99 vol % of a metal oxide having an average particle size of 1 nm to 400 nm. The metal oxide used here is preferably a metal oxide having a Mohs hardness of at least 7, and specific examples thereof include aluminum oxide and silicon dioxide. This metal oxide may be subjected to a surface treatment. Furthermore, a functional thin film such as a hardcoat layer may be formed on the cellulose acylate film containing the metal oxide.Type: GrantFiled: January 23, 2002Date of Patent: June 5, 2007Assignee: Fujifilm CorporationInventors: Akihiro Matsufuji, Yuuzou Muramatsu, Yukio Shinagawa
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Publication number: 20070116902Abstract: An optical film, which comprises: a transparent support; and a light-diffusing layer containing: at least one kind of resin particles having a particle size of from 0.5 ?m to 5 ?m; and a binder matrix, wherein the resin particles having a compressive strength of from 2 to 10 kgf/mm2; an anti-reflection film; a polarizing plate; and an image display device using the optical film.Type: ApplicationFiled: November 15, 2006Publication date: May 24, 2007Applicant: FUJIFILM CorporationInventors: Yuuzou Muramatsu, Shoji Yasuda
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Publication number: 20070103786Abstract: An optical film, which comprises: a transparent support; and a light-diffusing layer containing: at least one kind of resin particles having a particle size of from 5 ?m to 20 ?m; and a binder matrix, wherein the resin particles have a compressive strength of from 2 to 10 kgf/mm2; an anti-reflection film; a polarizing plate; and an image display device using the optical film.Type: ApplicationFiled: November 3, 2006Publication date: May 10, 2007Applicant: FUJIFILM CorporationInventor: Yuuzou Muramatsu
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Publication number: 20070058250Abstract: An optical film comprises: a transparent support; and a light-diffusing layer comprising a first light-transparent resin particle and a binder, wherein the first light-transparent resin particle has an average particle diameter of from 5 to 15 ?m, the light-diffusing layer has a film thickness of from 8 to 30 ?m, and a haze of a surface, on the side coated with the light-diffusing layer, of the optical film is from 0 to 10%.Type: ApplicationFiled: September 13, 2006Publication date: March 15, 2007Applicant: Fuji Photo Film Co., Ltd.Inventor: Yuuzou Muramatsu
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Patent number: 7138185Abstract: An anti-reflection film that is an optical film, at least has a hard coat layer, and a low-refractive-index layer containing a binder polymer, on a transparent support, wherein said hard coat layer and/or said low-refractive-index layer contains: (a) a hydrolysate of an organosilane in which a hydroxyl group or a hydrolysable group is directly bonded to silicon, and/or a partial condensation product thereof; and (b) at least one metal chelate compound of an alkylalcohol, and a compound of R4COCH2COR5, in which R4 is an alkyl group, and R5 is an alkyl or alkoxy group, as ligands, and a metal selected from Zr, Ti and Al, as a central metal.Type: GrantFiled: July 3, 2003Date of Patent: November 21, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Tatsuhiko Obayashi, Takahiro Ishizuka, Shuntaro Ibuki, Yuuzou Muramatsu
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Publication number: 20060233972Abstract: An optical functional film comprises: a transparent support comprising a cellulose acylate film and having a thickness of less than 80 ?m; and at least one coating layer on at least one surface of the transparent support, wherein said at least one coating layer has a total thickness of 5 ?m or less.Type: ApplicationFiled: February 23, 2006Publication date: October 19, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yuuzou Muramatsu, Naohiro Matsunaga
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Publication number: 20060092495Abstract: An anti-glare anti-reflection film comprises an anti-glare layer and at least one low refractive index layer provided on or above a transparent support, wherein the anti-glare layer is a layer formed by spreading a coating composition for anti-glare layer, the coating composition for anti-glare layer to be spread comprises a polymer compound and the coating composition for anti-glare layer shows a viscosity rise of 3 mPa·s to 10 mPa·s due to the incorporation of the polymer compound.Type: ApplicationFiled: October 26, 2005Publication date: May 4, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Yuuzou Muramatsu
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Publication number: 20060063113Abstract: An antireflection film that has sufficient antireflection capability and antifouling property and is improved in scratch resistance, and a process for producing an antireflection film with considerably high productivity are provided, which is an antireflection film comprising a transparent support, a hard coat layer and a low refractive index layer, in this order, wherein the hard coat layer includes a polymerized product of (A) an ethylene oxide or propylene oxide adduct of a polyfunctional acrylate monomer and (B) a polyfunctional acrylate monomer having no oxide adduct.Type: ApplicationFiled: January 22, 2004Publication date: March 23, 2006Applicant: Fuji Photo Film Co., Ltd.Inventor: Yuuzou Muramatsu
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Patent number: 6777102Abstract: A curable composition that is curable by polymerizing both a group capable of ring-opening polymerization and an ethylenically unsaturated group includes a cross-linkable polymer containing a repeating unit represented by the formula below, the group capable of ring-opening polymerization being present in a side chain of the polymer. A hardcoated article is formed by curing the curable composition. Its hardcoat layer has a pencil hardness of 4H to 9H. A hardcoated film is formed by coating on a plastic film the curable composition and curing it. The hardcoated film is used, for example, to laminate the front face of an image display device. In the formula, R1 denotes hydrogen or an alkyl group having 1 to 4 carbon atoms, P1 is a monovalent group containing a group capable of ring-opening polymerization, and L1 is a single bond or a divalent linking group.Type: GrantFiled: February 22, 2002Date of Patent: August 17, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Seiya Sakurai, Yuuzou Muramatsu, Akihiro Matsufuji, Kenichirou Hatayama
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Publication number: 20040077752Abstract: The present invention relates to a cellulose acylate film having a high modulus of elasticity and a high surface hardness. The cellulose acylate film of the present invention is characterized by containing 1 vol % to 99 vol % of a metal oxide having an average particle size of 1 nm to 400 nm. The metal oxide used here is preferably a metal oxide having a Mohs hardness of at least 7, and specific examples thereof include aluminum oxide and silicon dioxide. This metal oxide may be subjected to a surface treatment. Furthermore, a functional thin film such as a hardcoat layer may be formed on the cellulose acylate film containing the metal oxide.Type: ApplicationFiled: July 25, 2003Publication date: April 22, 2004Inventors: Akihiro Matsufuji, Yuuzou Muramatsu, Yukio Shinagawa
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Publication number: 20040070041Abstract: An anti-reflection film that is an optical film, at least has a hard coat layer, and a low-refractive-index layer containing a binder polymer, on a transparent support, wherein said hard coat layer and/or said low-refractive-index layer contains: (a) a hydrolysate of an organosilane in which a hydroxyl group or a hydrolysable group is directly bonded to silicon, and/or a partial condensation product thereof; and (b) at least one metal chelate compound of an alkylalcohol, and a compound of R4COCH2COR5, in which R4 is an alkyl group, and R5 is an alkyl or alkoxy group, as ligands, and a metal selected from Zr, Ti and Al, as a central metal.Type: ApplicationFiled: July 3, 2003Publication date: April 15, 2004Applicant: Fuji Photo Film Co., Ltd.Inventors: Tatsuhiko Obayashi, Takahiro Ishizuka, Shuntaro Ibuki, Yuuzou Muramatsu
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Patent number: 6686031Abstract: A hard coat film comprising; a transparent support; and a hard coat layer thereon; the hard coat layer containing surface-treated inorganic fine particles and a crosslinked binder polymer; the surface treatment being carried out using, as a surface treatment agent, an organic compound containing an anionic functional group or an organometallic compound; and the binder polymer being formed by crosslinking a radiation polymerizable compound. A display device is also disclosed wherein a hard coat film having antireflection properties is formed on the display surface thereof.Type: GrantFiled: February 22, 2001Date of Patent: February 3, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Akihiro Matsufuji, Kiyokazu Hashimoto, Tsukasa Yamada, Kenichiro Hatayama, Yuuzou Muramatsu
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Publication number: 20030004221Abstract: A curable composition that is curable by polymerizing both a group capable of ring-opening polymerization and an ethylenically unsaturated group includes a cross-linkable polymer containing a repeating unit represented by the formula below, the group capable of ring-opening polymerization being present in a side chain of the polymer. A hardcoated article is formed by curing the curable composition. Its hardcoat layer has a pencil hardness of 4H to 9H. A hardcoated film is formed by coating on a plastic film the curable composition and curing it. The hardcoated film is used, for example, to laminate the front face of an image display device.Type: ApplicationFiled: February 22, 2002Publication date: January 2, 2003Inventors: Seiya Sakurai, Yuuzou Muramatsu, Akihiro Matsufuji, Kenichirou Hatayama
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Publication number: 20020018886Abstract: A hard coat film comprising; a transparent support; and a hard coat layer thereon; the hard coat layer containing surface-treated inorganic fine particles and a crosslinked binder polymer; the surface treatment being carried out using, as a surface treatment agent, an organic compound containing an anionic functional group or an organometallic compound; and the binder polymer being formed by crosslinking a radiation polymerizable compound. A display device is also disclosed wherein a hard coat film having antireflection properties is formed on the display surface thereof.Type: ApplicationFiled: February 22, 2001Publication date: February 14, 2002Inventors: Akihiro Matsufuji, Kiyokazu Hashimoto, Tsukasa Yamada, Kenichiro Hatayama, Yuuzou Muramatsu
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Patent number: 5206127Abstract: A silver halide photographic material is provide having at least one silver halide emulsion layer on one surface of a support and having on the other surface of the support, a backing layer containing a mat agent comprising grains having a mean grain size of 15 .mu.m or more in a proportion of at least 5% by volume. Due to the presence of the particular mat agent, the material has improved feedability and has small amount of haze.Type: GrantFiled: June 21, 1991Date of Patent: April 27, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Kunio Ishigaki, Yuuzou Muramatsu