Patents by Inventor Hidehiko Andou
Hidehiko Andou 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: 9696574Abstract: A transparent conductive laminate includes a coating film including a first transparent resin film and a coating layer or layers provided on one or both sides of the first transparent resin film; a transparent conductive film including a second transparent resin film and a transparent conductive layer provided on one side of the second transparent resin film; and a pressure-sensitive adhesive layer interposed between the coating film and the transparent conductive film, wherein the coating layer of the coating film is laminated with the pressure-sensitive adhesive layer to a side of the transparent conductive film where the transparent conductive layer is not provided, the pressure-sensitive adhesive layer has a storage elastic modulus of 80,000 Pa or less at 120° C., and the adhesive strength between the pressure-sensitive adhesive layer and the coating layer is from 5 N/25 mm to 20 N/25 mm.Type: GrantFiled: May 1, 2012Date of Patent: July 4, 2017Inventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Patent number: 9406415Abstract: A method of manufacturing a transparent conductive film has the steps of: preparing a laminated body in which a transparent conductive layer that is not patterned is formed on a flexible transparent base, removing a part of the transparent conductive layer to form the pattern forming part having the transparent conductive layer on the flexible transparent base and the pattern opening part not having the transparent conductive layer on the flexible transparent base, and heating the laminated body in which the transparent conductive layer is patterned. The absolute value of the difference H1?H2 of the dimensional change rate H1 of the pattern forming part and the dimensional change rate H2 of the pattern opening part in the heat treatment step is preferably less than 0.03%.Type: GrantFiled: September 30, 2013Date of Patent: August 2, 2016Assignee: NITTO DENKO CORPORATIONInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Publication number: 20140078422Abstract: A transparent conductive laminate includes a coating film including a first transparent resin film and a coating layer or layers provided on one or both sides of the first transparent resin film; a transparent conductive film including a second transparent resin film and a transparent conductive layer provided on one side of the second transparent resin film; and a pressure-sensitive adhesive layer interposed between the coating film and the transparent conductive film, wherein the coating layer of the coating film is laminated with the pressure-sensitive adhesive layer to a side of the transparent conductive film where the transparent conductive layer is not provided, the pressure-sensitive adhesive layer has a storage elastic modulus of 80,000 Pa or less at 120° C., and the adhesive strength between the pressure-sensitive adhesive layer and the coating layer is from 5 N/25 mm to 20 N/25 mm.Type: ApplicationFiled: May 1, 2012Publication date: March 20, 2014Applicant: NITTO DENKO CORPORATIONInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Publication number: 20140027405Abstract: A method of manufacturing a transparent conductive film has the steps of: preparing a laminated body in which a transparent conductive layer that is not patterned is formed on a flexible transparent base, removing a part of the transparent conductive layer to form the pattern forming part having the transparent conductive layer on the flexible transparent base and the pattern opening part not having the transparent conductive layer on the flexible transparent base, and heating the laminated body in which the transparent conductive layer is patterned. The absolute value of the difference H1?H2 of the dimensional change rate H1 of the pattern forming part and the dimensional change rate H2 of the pattern opening part in the heat treatment step is preferably less than 0.Type: ApplicationFiled: September 30, 2013Publication date: January 30, 2014Applicant: NITTO DENKO CORPORATIONInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Patent number: 8568603Abstract: A method of manufacturing a transparent conductive film has the steps of: preparing a laminated body in which a transparent conductive layer that is not patterned is formed on a flexible transparent base, removing a part of the transparent conductive layer to form the pattern forming part having the transparent conductive layer on the flexible transparent base and the pattern opening part not having the transparent conductive layer on the flexible transparent base, and heating the laminated body in which the transparent conductive layer is patterned. The absolute value of the difference H1-H2 of the dimensional change rate H1 of the pattern forming part and the dimensional change rate H2 of the pattern opening part in the heat treatment step is preferably less than 0.03%.Type: GrantFiled: August 24, 2012Date of Patent: October 29, 2013Assignee: Nitto Denko CorporationInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Publication number: 20130048597Abstract: A method of manufacturing a transparent conductive film has the steps of: preparing a laminated body in which a transparent conductive layer that is not patterned is formed on a flexible transparent base, removing a part of the transparent conductive layer to form the pattern forming part having the transparent conductive layer on the flexible transparent base and the pattern opening part not having the transparent conductive layer on the flexible transparent base, and heating the laminated body in which the transparent conductive layer is patterned. The absolute value of the difference H1-H2 of the dimensional change rate H1 of the pattern forming part and the dimensional change rate H2 of the pattern opening part in the heat treatment step is preferably less than 0.03%.Type: ApplicationFiled: August 24, 2012Publication date: February 28, 2013Applicant: NITTO DENKO CORPORATIONInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Patent number: 8003200Abstract: A transparent electrically-conductive film of the present invention comprises a transparent film substrate, a hard coat layer formed on one side of the transparent film substrate, a SiOx layer with a thickness of 10 nm to 300 nm that is formed on the hard coat layer by a dry process, and a transparent electrically-conductive thin layer with a thickness of 20 nm to 35 nm that is formed on another side of the transparent film substrate. The transparent electrically-conductive film has good resistance to moisture and heat and high durability against pen-based input and can be prevented from cracking during a punching process and also prevented from waving or curling even in a high-temperature, high-humidity environment.Type: GrantFiled: September 27, 2005Date of Patent: August 23, 2011Assignee: Nitto Denko CorporationInventors: Tomotake Nashiki, Hideo Sugawara, Hidehiko Andou, Hidetoshi Yoshitake
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Patent number: 7763151Abstract: A process for producing a transparent conductive laminate having a completely crystallized, transparent conductive layer on a substrate comprising an organic polymer molding is provided. The transparent conductive layer is excellent in transparency and wet heat confidence, is not excessively low in specific resistivity, and has no variation on optical properties such as retardation characteristic. The transparent conductive laminate is obtained by sputter-film forming a transparent conductive layer on a substrate comprising an organic polymer molding under conditions of a substrate temperature of 80-150° C. and a degree of vacuum of 8×10?3 Pa or lower to form an amorphous transparent conductive layer comprising an In.Type: GrantFiled: August 26, 2004Date of Patent: July 27, 2010Assignee: Nitto Denko CorporationInventors: Tomonori Noguchi, Hidehiko Andou, Hidetoshi Yoshitake, Hideo Sugawara
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Publication number: 20100136276Abstract: An object of the invention is to provide a transparent conductive film having good processability and to provide a method for production thereof. The pressure-sensitive adhesive layer-carrying transparent conductive film of the invention comprises: an amorphous transparent conductive laminate comprising a transparent plastic film substrate and an amorphous transparent conductive thin film provided on one side of the transparent plastic film substrate; a pressure-sensitive adhesive layer; and a release film that is provided on another side of the transparent plastic film substrate with the pressure-sensitive adhesive layer interposed therebetween and comprises at least a film substrate, wherein the release film is thicker than the amorphous transparent conductive laminate, and a value obtained by subtracting the thermal shrinkage percentage of the release film in the MD direction from the thermal shrinkage percentage of the amorphous transparent conductive laminate in the MD direction is from ?0.3% to 0.45%.Type: ApplicationFiled: February 28, 2008Publication date: June 3, 2010Applicant: NITTO DENKO CORPORATIONInventors: Hidehiko Andou, Hideo Sugawara, Tomotake Nashiki
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Publication number: 20080096013Abstract: A transparent electrically-conductive film of the present invention comprises a transparent film substrate, a hard coat layer formed on one side of the transparent film substrate, a SiOx layer with a thickness of 10 nm to 300 nm that is formed on the hard coat layer by a dry process, and a transparent electrically-conductive thin layer with a thickness of 20 nm to 35 nm that is formed on another side of the transparent film substrate. The transparent electrically-conductive film has good resistance to moisture and heat and high durability against pen-based input and can be prevented from cracking during a punching process and also prevented from waving or curling even in a high-temperature, high-humidity environment.Type: ApplicationFiled: September 27, 2005Publication date: April 24, 2008Applicant: Nitto Denko CorporationInventors: Tomotake Nashiki, Hideo Sugawara, Hidehiko Andou, Hidetoshi Yoshitake
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Patent number: 6982432Abstract: A touch type liquid-crystal display device has a liquid-crystal display panel having flexibility, a touch panel provided to adhere closely to a back side, opposite to a visual side, of the liquid-crystal display panel, and electrodes disposed to be opposite to each other through a gap. The electrodes are capable of coming into partial contact with each other by a pressing force to thereby detect an input position.Type: GrantFiled: April 17, 2001Date of Patent: January 3, 2006Assignee: Nitto Denko CorporationInventors: Seiji Umemoto, Tomonori Noguchi, Tadayuki Kameyama, Kiichi Shimodaira, Hideo Sugawara, Hidehiko Andou
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Publication number: 20050045471Abstract: A process for producing a transparent conductive laminate having a completely crystallized, transparent conductive layer on a substrate comprising an organic polymer molding is provided. The transparent conductive layer is excellent in transparency and wet heat confidence, is not excessively low in specific resistivity, and has no variation on optical properties such as retardation characteristic. The transparent conductive laminate is obtained by sputter-film forming a transparent conductive layer on a substrate comprising an organic polymer molding under conditions of a substrate temperature of 80-150° C. and a degree of vacuum of 8×10?3 Pa or lower to form an amorphous transparent conductive layer comprising an In.Type: ApplicationFiled: August 26, 2004Publication date: March 3, 2005Inventors: Tomonori Noguchi, Hidehiko Andou, Hidetoshi Yoshitake, Hideo Sugawara
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Patent number: 6720955Abstract: A transparent conductive laminated body comprising a transparent dielectric substance thin film having two layers and furthermore a transparent conductive thin film being formed on one face of a transparent film substrate with thickness of 2 to 120 &mgr;m, and a transparent substrate being adhered on another face of the film substrate through a transparent pressure sensitive adhesive layer, wherein a relationship of n3<n1<=n2 <n4 is satisfied where a light index of refraction of the film substrate is defined as n1, a light indexes of refraction of the two layers of the dielectric substance thin films are defined as n2 and n3 from the film substrate side respectively, and a light index of refraction of the conductive thin film is defined as n4 is excellent in transparency and scratch-proof property of the conductive thin film, and, moreover, excellent also in flexibility. A touch panel using the transparent conductive laminated body concerned has an improved dotting property.Type: GrantFiled: January 31, 2002Date of Patent: April 13, 2004Assignee: Nitto Denko CorporationInventors: Hideo Sugawara, Tomonori Noguchi, Hidehiko Andou
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Publication number: 20020158853Abstract: A transparent conductive laminated body comprising a transparent dielectric substance thin film having two layers and furthermore a transparent conductive thin film being formed on one face of a transparent film substrate with thickness of 2 to 120 &mgr;m, and a transparent substrate being adhered on another face of the film substrate through a transparent pressure sensitive adhesive layer, wherein a relationship of n3<n1<=n2 <n4 is satisfied where a light index of refraction of the film substrate is defined as n1, a light indexes of refraction of the two layers of the dielectric substance thin films are defined as n2 and n3 from the film substrate side respectively, and a light index of refraction of the conductive thin film is defined as n4 is excellent in transparency and scratch-proof property of the conductive thin film, and, moreover, excellent also in flexibility. A touch panel using the transparent conductive laminated body concerned has an improved dotting property.Type: ApplicationFiled: January 31, 2002Publication date: October 31, 2002Inventors: Hideo Sugawara, Tomonori Noguchi, Hidehiko Andou
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Patent number: 6407788Abstract: A film for protecting a display surface of a liquid crystal display is provided, which contains a polymer film having a coefficient of bending stress k as expressed by the formula: k=Eh3, wherein E is a tensile elastic modulus (N/mm2) in a machine direction and h is a thickness (mm), of not less than 0.01 (N·mm), and which shows an amount of moisture permeation at 35° C., 80% RH (relative humidity) for 72 hours of not less than 100 g/m2·72 hr. According to the present invention, the protection film can be applied to the display surface of a liquid crystal module with superior workability during assembling. The film prevents occurrence of changes in optical hue (color shading) on the display surface in the state of actual use upon peeling off of the protection film after distribution process.Type: GrantFiled: November 10, 2000Date of Patent: June 18, 2002Assignee: Nitto Denko CorporationInventors: Kazuhito Okumura, Hidehiko Andou
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Publication number: 20010022632Abstract: A touch type liquid-crystal display device has a liquid-crystal display panel having flexibility, a touch panel provided to adhere closely to a back side, opposite to a visual side, of the liquid-crystal display panel, and electrodes disposed to be opposite to each other through a gap. The electrodes are capable of coming into partial contact with each other by a pressing force to thereby detect an input position.Type: ApplicationFiled: April 17, 2001Publication date: September 20, 2001Inventors: Seiji Umemoto, Tomonori Noguchi, Tadayuki Kameyma, Kiichi Shimodaira, Hideo Sugawara, Hidehiko Andou