Patents by Inventor Atsushi Kishi
Atsushi Kishi 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: 12044880Abstract: A backlight unit includes: a light source; a light guide plate having an end surface that is arranged to face the light source, and that light from the light source enters, and an emitting surface from which the entered light is emitted; a casing having a front portion and a back portion, the casing being configured to store the light source and the light guide plate; and an optical pressure-sensitive adhesive film arranged between the front portion of the casing on a light source side and the light guide plate, the optical pressure-sensitive adhesive film being bonded to the light guide plate. The optical pressure-sensitive adhesive film includes a light-absorbing layer, a substrate, a low-refractive index layer, and a pressure-sensitive adhesive layer in the stated order from a front portion side of the casing.Type: GrantFiled: March 26, 2021Date of Patent: July 23, 2024Assignee: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Takahiro Yoshikawa, Ryota Morishima, Atsushi Kishi
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Patent number: 12030281Abstract: A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10?3?P1/P2?1.0.Type: GrantFiled: March 11, 2020Date of Patent: July 9, 2024Assignee: NITTO DENKO CORPORATIONInventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
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Patent number: 12030297Abstract: Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; a resin tape, which is arranged on at least one surface of the elongated glass film and is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film; a protective layer, which is arranged near each of both the ends in the widthwise direction of the surface of the elongated glass film having arranged thereon the resin tape and on an outside of the resin tape in the widthwise direction; and a resin layer arranged on one surface of the elongated glass film.Type: GrantFiled: April 17, 2019Date of Patent: July 9, 2024Assignee: NITTO DENKO CORPORATIONInventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
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Publication number: 20240203672Abstract: A present switch device includes a glass layer, and a switch section situated on a back surface side of the glass layer. A thickness of the glass layer is 20 ?m or greater and 150 ?m or less. The switch section includes a plurality of contact points including a vertically movable contact point. When the glass layer is pushed, the glass layer elastically deforms and the plurality of contact points switch between a continuous state and a non-continuous state.Type: ApplicationFiled: April 18, 2022Publication date: June 20, 2024Applicant: NITTO DENKO CORPORATIONInventors: Takeshi MURASHIGE, Takafumi HINO, Atsushi KISHI
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Patent number: 11994709Abstract: Provided is an optical member, which is suppressed from causing a reduction in display quality due to wear or a flaw resulting from its vibration while maintaining the excellent characteristics of its low-refractive index layer. The optical member includes: a light guide plate having an end surface that light from a light source enters and an emitting surface from which the entered light is emitted; and a reflective plate bonded to a side of the light guide plate opposite to the emitting surface via a double-sided pressure-sensitive adhesive film. The double-sided pressure-sensitive adhesive film includes a first pressure-sensitive adhesive layer, a low-refractive index layer, and a second pressure-sensitive adhesive layer from the light guide plate side. The optical member further includes a surface-treated layer formed on a side of the reflective plate opposite to the double-sided pressure-sensitive adhesive film.Type: GrantFiled: March 25, 2021Date of Patent: May 28, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
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Patent number: 11966075Abstract: There is provided an optical member that can achieve a backlight unit excellent in brightness uniformity. The optical member includes: a light guide plate having an end surface that light from a light source enters, an emitting surface from which the entered light is emitted, and a light extraction pattern arranged on a surface opposite to the emitting surface; and a reflective plate bonded to the light guide plate via a double-sided pressure-sensitive adhesive film. An outer edge of the light guide plate is positioned outside an outer edge of the double-sided pressure-sensitive adhesive film, and the outer edge of the double-sided pressure-sensitive adhesive film is positioned outside an outer edge of the light extraction pattern.Type: GrantFiled: March 26, 2021Date of Patent: April 23, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
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Publication number: 20240101870Abstract: The present invention provides a void-containing layer in which a pressure-sensitive adhesive or an adhesive is less liable to penetrate into voids. A void-containing layer of the present invention, includes: particles chemically bonding to each other, wherein the void-containing layer has a void fraction of 35 vol % or more, the particle is an inorganic-organic composite particle in which an organic group is bonded to an inorganic compound, the organic group includes a R1 group which is a linear or branched alkyl group and a R2 group which is a group containing a carbon-carbon unsaturated bond, and a molar ratio of the R2 group relative to a sum of the R1 group and the R2 group is from 1 to 30 mol %.Type: ApplicationFiled: January 25, 2022Publication date: March 28, 2024Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Ryota Morishima, Atsushi Kishi
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Patent number: 11904411Abstract: Provided is a method of producing a thin glass resin laminate piece, which includes cutting a thin glass resin laminate through laser processing, and by which a thin glass resin laminate piece capable of preventing the occurrence of air bubbles when bonded to an adherend can be obtained. The method of producing a thin glass resin laminate piece of the present invention includes a step of subjecting a thin glass resin laminate including a thin glass, a resin layer, and a pressure-sensitive adhesive layer in the stated order to laser processing to cut the laminate, wherein a thickness (?m) of the pressure-sensitive adhesive layer and a creep characteristic (?m/Hr) of the pressure-sensitive adhesive layer have a relationship of (thickness (?m))2×creep characteristic (?m/Hr)?50×103 (?m2·?m/Hr).Type: GrantFiled: January 15, 2020Date of Patent: February 20, 2024Assignee: NITTO DENKO CORPORATIONInventors: Atsushi Kishi, Takeshi Murashige, Satoshi Hirata
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Patent number: 11897233Abstract: A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10?3?P1/P2?1.0.Type: GrantFiled: March 11, 2020Date of Patent: February 13, 2024Assignee: NITTO DENKO CORPORATIONInventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
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Patent number: 11891549Abstract: There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces, which is suppressed damage from occurring to a low-refractive index layer in vacuum lamination while maintaining excellent characteristics of the low-refractive index layer. An optical laminate with pressure-sensitive adhesive layers on both surfaces according to an embodiment of the present invention comprises: a substrate; a low-retractive index layer formed on the substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 50% or more, the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×105 (Pa) to 1.0×107 (Pa), and the second pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×105 (Pa) or less.Type: GrantFiled: September 26, 2019Date of Patent: February 6, 2024Assignee: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Atsushi Kishi, Ryota Morishima
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Patent number: 11873179Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.Type: GrantFiled: March 11, 2020Date of Patent: January 16, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
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Patent number: 11834288Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.Type: GrantFiled: March 11, 2020Date of Patent: December 5, 2023Assignee: NITTO DENKO CORPORATIONInventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
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Publication number: 20230350129Abstract: A backlight unit includes: a light source; a light guide plate arranged to face the light source, having an end surface that light from the light source enters; and an emitting surface from which the entered light is emitted; a reflective plate bonded to a back surface side of the light guide plate via a double-sided pressure-sensitive adhesive film; and a casing having a front portion and a back portion, the casing configured to store the light source, the light guide plate, and the reflective plate. The backlight unit is configured so that light from the light source is free from entering a space between the low-refractive index layer and the reflective plate, or so that light that has entered the space between the low-refractive index layer and the reflective plate from a light source is free from being emitted from the emitting surface of the light guide plate.Type: ApplicationFiled: March 29, 2021Publication date: November 2, 2023Applicant: NITTO DENKO CORPORATIONInventors: Takahiro YOSHIKAWA, Daisuke HATTORI, Ryota MORISHIMA, Atsushi KISHI
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Publication number: 20230312991Abstract: An optical laminate includes: a low-refractive index layer; a first pressure-sensitive adhesive layer arranged adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 40 vol % or more; the first pressure-sensitive adhesive layer has a storage modulus of elasticity at 23° C. of from 1.0×105 (Pa) to 1.0×107 (Pa); the second pressure-sensitive adhesive layer has a storage modulus of elasticity at 23° C. of 1.0×105 (Pa) or less; a ratio of a thickness of the low-refractive index layer to a total thickness of the pressure-sensitive adhesive layers present in the optical laminate with pressure-sensitive adhesive layers on both surfaces is from 0.10% to 5.Type: ApplicationFiled: March 23, 2021Publication date: October 5, 2023Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Ryota Morishima, Takahiro Yoshikawa, Atsushi Kishi
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Publication number: 20230278318Abstract: A multilayer structure includes one or more resin layers; and a glass layer laminated over the resin layers via bonding layers, wherein when ?0 is a critical radius of curvature at which the glass layer does not break even though the multilayer structure being bent so that the glass layer is inside, a ratio t/?0 of a thickness t of the glass layer to the critical radius of curvature ?0 is 0.001 or more and 0.02 or less.Type: ApplicationFiled: July 19, 2021Publication date: September 7, 2023Applicant: Nitto Denko CorporationInventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
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Publication number: 20230152509Abstract: Provided is an optical member, which is suppressed from causing a reduction in display quality due to wear or a flaw resulting from its vibration while maintaining the excellent characteristics of its low-refractive index layer. The optical member includes: a light guide plate having an end surface that light from a light source enters and an emitting surface from which the entered light is emitted; and a reflective plate bonded to a side of the light guide plate opposite to the emitting surface via a double-sided pressure-sensitive adhesive film. The double-sided pressure-sensitive adhesive film includes a first pressure-sensitive adhesive layer, a low-refractive index layer, and a second pressure-sensitive adhesive layer from the light guide plate side. The optical member further includes a surface-treated layer formed on a side of the reflective plate opposite to the double-sided pressure-sensitive adhesive film.Type: ApplicationFiled: March 25, 2021Publication date: May 18, 2023Applicant: NITTO DENKO CORPORATIONInventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
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Publication number: 20230140962Abstract: A multilayered structure includes a plurality of laminated portions arranged on a base material, wherein the laminated portions each include a resin layer, a glass layer, laminated over the resin layer via an adhesive laver, and a metal layer formed on a surface of the glass layer, the surface being oriented toward the adhesive layer, wherein a thickness of the glass layer is 10 ?m or more and 300 ?m or less, and a thickness of the resin layer is 10 ?m or more and 1000 ?m or less.Type: ApplicationFiled: March 10, 2021Publication date: May 11, 2023Applicant: Nitto Denko CorporationInventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
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Patent number: 11639046Abstract: Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; and a resin tape arranged on at least one surface of the elongated glass film, wherein the resin tape is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film, and wherein the resin tape includes an adhesive layer, and the adhesive layer is directly arranged on the elongated glass film.Type: GrantFiled: April 17, 2019Date of Patent: May 2, 2023Assignee: NITTO DENKO CORPORATIONInventors: Takeshi Murashige, Junichi Inagaki, Atsushi Kishi, Kota Nakai, Toshihiro Kanno
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Publication number: 20230129382Abstract: A backlight unit includes: a light source; a light guide plate having an end surface that is arranged to face the light source, and that light from the light source enters, and an emitting surface from which the entered light is emitted; a casing having a front portion and a back portion, the casing being configured to store the light source and the light guide plate; and an optical pressure-sensitive adhesive film arranged between the front portion of the casing on a light source side and the light guide plate, the optical pressure-sensitive adhesive film being bonded to the light guide plate. The optical pressure-sensitive adhesive film includes a light-absorbing layer, a substrate, a low-refractive index layer, and a pressure-sensitive adhesive layer in the stated order from a front portion side of the casing.Type: ApplicationFiled: March 26, 2021Publication date: April 27, 2023Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Takahiro Yoshikawa, Ryota Morishima, Atsushi Kishi
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Publication number: 20230114553Abstract: A disclosed multilayer structure includes a resin layer, a glass layer laminated over the resin layer, and a tension applying portion configured to apply a tension in a direction in which the resin layer extends.Type: ApplicationFiled: March 10, 2021Publication date: April 13, 2023Applicant: NITTO DENKO CORPORATIONInventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi