Patents by Inventor Katsunori Takada
Katsunori Takada 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: 9609745Abstract: A transparent conductive film includes a film base, a cured resin layer formed at one side of the film base, and an indium composite oxide layer laminated at a side of the cured resin layer opposite to the film base. The indium composite oxide layer has a thickness of 20 nm to 50 nm. The cured resin layer has a plurality of spherical particles and a binder resin layer which fixes the plurality of spherical particles to the film base. A difference w?d between a mode particle size w and a thickness d of the binder resin layer is greater than zero and less than or equal to 1.2 ?m, where w is a mode particle size of the spherical particles and d is a thickness of the binder resin layer.Type: GrantFiled: December 10, 2012Date of Patent: March 28, 2017Assignee: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Kazuhiro Ikai, Hiroki Kuramoto, Hiroyuki Takao, Naoki Tsuno
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Publication number: 20170010709Abstract: Provided are a double-sided transparent conductive film which has blocking resistance and a low reflectance, and is inhibited from scattering reflected light to exhibit good visibility; a roll thereof; and a touch panel.Type: ApplicationFiled: January 29, 2015Publication date: January 12, 2017Applicant: NITTO DENKO CORPORATIONInventors: Naoki HASHIMOTO, Katsunori TAKADA, Kazuhiro IKAI, Shinya HIRAOKA, Hiroki KURAMOTO, Naoki TSUNO, Toru UMEMOTO, Hiroyuki TAKAO
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Publication number: 20160221507Abstract: Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes: a first polarizing plate; a first liquid crystal cell; a half mirror; and an image display apparatus in the stated order from a viewer side, in which in the first liquid crystal cell, a state in which a polarization direction of incident linearly polarized light is maintained and a state in which the incident linearly polarized light is transformed into circularly polarized light are switched in accordance with a voltage to be supplied.Type: ApplicationFiled: February 1, 2016Publication date: August 4, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Kentarou Takeda, Tadatoshi Nakanishi, Tadayuki Kameyama, Hiroki Kuramoto
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Publication number: 20160221506Abstract: A vehicle includes: an image display mirror including a first polarizing plate, a half mirror, and an image display apparatus in the stated order from a viewer side; and a second polarizing plate, in which: the image display mirror is arranged so as to b viewable by a driver of the vehicle; the half mirror is configured to be oriented in different directions between when an image is displayed on the image display apparatus and when the image is not displayed thereon; the second polarizing plate is arranged so that light transmitted through the second polarizing plate reaches a first polarizing plate side of the image display mirror when the image is displayed on the image display apparatus; and the vehicle is configured so that the transmitted light of the second polarizing plate reaching the image display mirror is prevented from being transmitted through the first polarizing plate.Type: ApplicationFiled: February 1, 2016Publication date: August 4, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Tadayuki Kameyama, Yoshitsugu Kitamura, Keisuke Kimura, Hiroki Kuramoto
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Publication number: 20160221509Abstract: An image display mirror for a vehicle includes a first polarizing plate arranged so as to be rotatable in a plane, a half mirror having a reflection axis and configured to reflect polarized light, and an image display apparatus in the stated order from a viewer side, in which: the first polarizing plate has a polarizer; a rotation of the first polarizing plate changes an angle of an absorption axis of the polarizer relative to a reflection axis of the half mirror when an image is not displayed on the image display apparatus and when the image is displayed thereon; when the image is not displayed, the absorption axis of the polarizer and the reflection axis of the half mirror are perpendicular to each other; and when the image is displayed, the absorption axis of the polarizer and the reflection axis of the half mirror are parallel to each other.Type: ApplicationFiled: February 1, 2016Publication date: August 4, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Tadayuki Kameyama, Yoshitsugu Kitamura, Keisuke Kimura, Hiroki Kuramoto
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Publication number: 20160221508Abstract: Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes a first polarizing plate that is arranged removably and attachably, a half mirror that has a reflection axis and is configured to reflect polarized light, and an image display apparatus in the stated order from a viewer side, in which: the first polarizing plate has a polarizer; and when the first polarizing plate is in an attached state, an absorption axis of the polarizer and the reflection axis of the half mirror are parallel to each other.Type: ApplicationFiled: February 1, 2016Publication date: August 4, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Tadayuki Kameyama, Yoshitsugu Kitamura, Keisuke Kimura, Hiroki Kuramoto
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Publication number: 20160200256Abstract: Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes a first polarizing plate, a half mirror, and an image display apparatus in the stated order from a viewer side. In one embodiment, the first polarizing plate includes a polarizer, and the direction of the polarizer of the first polarizing plate is set so that the transmittance of light output from the image display apparatus that is transmitted through the first polarizing plate becomes maximum.Type: ApplicationFiled: January 13, 2016Publication date: July 14, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Tadayuki Kameyama, Yoshitsugu Kitamura, Keisuke Kimura, Hiroki Kuramoto
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Publication number: 20160200255Abstract: Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes: a circularly polarizing plate arranged attachably and removably; a half mirror; and an image display apparatus in the stated order from a viewer side. In one embodiment, attached and removed states of the circularly polarizing plate are switched when an image is displayed on the image display apparatus and when the image is not displayed thereon, and when the image is displayed, the circularly polarizing plate is arranged between the half mirror and a viewer.Type: ApplicationFiled: January 13, 2016Publication date: July 14, 2016Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Tadayuki Kameyama, Yoshitsugu Kitamura, Keisuke Kimura, Hiroki Kuramoto
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Publication number: 20160115340Abstract: Provide are a hard coat film which can exhibit high anti-blocking properties and high scratch resistance and simultaneously achieve high light transmittance (lower haze), and a wound body thereof. The present invention relates to a hard coat film including: a transparent polymer base material; and a hard coat layer formed on one main surface of the transparent polymer base material, wherein: the hard coat layer includes fine particles and a composite resin containing an organic component and an inorganic component; the hard coat layer has a surface having a flat portion and protrusion portions formed by the fine particles; and haze Hparticle caused by the protrusion portions of the hard coat layer is 0.5% or less.Type: ApplicationFiled: May 19, 2014Publication date: April 28, 2016Applicant: NITTO DENKO CORPORATIONInventors: Naoki Hashimoto, Katsunori Takada, Shinya Hiraoka, Hiroki Kuramoto
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Publication number: 20140345917Abstract: Provided are a double-sided transparent conductive film which is good in appearance even when its transparent conductive layers are patterned, and has anti-blocking property, thereby being producible at low costs; a wound body thereof; and a touch panel.Type: ApplicationFiled: May 20, 2014Publication date: November 27, 2014Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Naoki Hashimoto, Shinya Hiraoka, Kazuhiro Ikai, Hiroki Kuramoto, Hiroyuki Takao, Naoki Tsuno, Toru Umemoto
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Patent number: 8853556Abstract: A transparent conductive film which comprises: a substrate composed of a non-crystalline polymer film; a first hard coating layer; a first transparent conductor layer; a first metal layer; a second hard coating layer; a second transparent conductor layer; and a second metal layer. The first hard coating layer includes a binder resin and a plurality of sphere-shaped particles having a diameter of 1 ?m to 5 ?m. The first metal layer has a plurality of projections having a maximum height Rz of 0.5 ?m to 2.5 ?m resulting from the plurality of particles included in the first hard coating layer on a surface thereof.Type: GrantFiled: October 4, 2013Date of Patent: October 7, 2014Assignee: Nitto Denko CorporationInventors: Naoki Tsuno, Hiroyuki Takao, Katsunori Takada, Kazuhiro Ikai
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Publication number: 20140247486Abstract: There is provided an optical laminate excellent which secures adhesiveness between the (meth)acrylic resin film (base material film) and a hard coat layer, and can prevent a reduction in scratch resistance. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; a hard coat layer formed by applying, to the (meth)acrylic resin film, a composition for forming a hard coat layer containing a curable compound and inorganic nanoparticles; and a penetration layer having a thickness of 1.2 ?m or more, the penetration layer being formed between the base material layer and the hard coat layer by penetration of the composition for forming a hard coat layer into the (meth)acrylic resin film, wherein a content of the inorganic nanoparticles is 1.5 wt % to 50 wt % with respect to a total of the curable compound and the inorganic nanoparticles.Type: ApplicationFiled: April 18, 2012Publication date: September 4, 2014Applicant: NITTO DENKO CORPORATIONInventors: Shusaku Shibata, Katsunori Takada, Hiroyuki Takemoto, Keisuke Hirano
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Publication number: 20140227482Abstract: There is provided an optical laminate excellent in adhesiveness between a (meth)acrylic resin film (base material film) having low moisture permeability and a UV absorbing ability and a hard coat layer, and has suppressed interference unevenness. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; a hard coat layer formed by applying a composition for forming a hard coat layer to the (meth)acrylic resin film; and a penetration layer formed through penetration of the composition for forming a hard coat layer into the (meth)acrylic resin film, the penetration layer being placed between the base material layer and the hard coat layer, wherein the penetration layer has a thickness of 1.2 ?m or more.Type: ApplicationFiled: April 18, 2012Publication date: August 14, 2014Applicant: NITTO DENKO CORPORATIONInventors: Shusaku Shibata, Katsunori Takada, Hiroyuki Takemoto
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Patent number: 8742772Abstract: A touch panel sensor with which unevenness of interference can be reduced is provided. A touch panel sensor of the present invention includes a film base material, a first transparent electrode pattern formed on a first face of the film base material, a first adhesive layer laminated on the first face of the film base material so as to cover the first transparent electrode pattern, a second transparent electrode pattern formed on a second face of the film base material, and a second adhesive layer laminated on the second face of the film base material so as to cover the second transparent electrode pattern, and the film base material has an in-plane phase difference of ?/4 with respect to a wavelength ? in the visible light region.Type: GrantFiled: October 17, 2012Date of Patent: June 3, 2014Assignee: Nitto Denko CorporationInventors: Hiroyuki Takao, Naoki Tsuno, Katsunori Takada
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Publication number: 20140106131Abstract: A transparent conductive film for a display element which includes a black matrix having a polygonal opening and has a definition of 150 ppi or more, the transparent conductive film including: a transparent polymer base material; a transparent conductive layer; and a cured resin layer, wherein an outermost surface layer on a side where the cured resin layer is formed has a flat portion and a protrusion portion on the surface, a height of the protrusion portion is larger than 10 nm above the flat portion, and a maximum diameter of a cross-sectional shape formed by intersection of a surface parallel to the flat portion and the protrusion portion at a distance of 10 nm from the flat portion is smaller than a minimum value of distances between two non-adjacent sides of the opening of the black matrix.Type: ApplicationFiled: October 8, 2013Publication date: April 17, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kazuhiro Ikai, Katsunori Takada, Hiroki Kuramoto, Hiroyuki Takao, Naoki Tsuno
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Publication number: 20140044891Abstract: There is provided an optical laminate which secures adhesiveness between the (meth)acrylic resin film (base material film) and a hard coat layer, and can prevent a reduction in scratch resistance. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; and a hard coat layer formed by applying a composition for forming a hard coat layer to the (meth)acrylic resin film, wherein: the composition for forming a hard coat layer contains a compound (A) having 9 or more radically polymerizable unsaturated groups; and a content of the compound (A) is 15 wt % to 100 wt % with respect to all curable compounds in the composition for forming a hard coat layer.Type: ApplicationFiled: April 18, 2012Publication date: February 13, 2014Applicant: NITTO DENKO CORPORATIONInventors: Shusaku Shibata, Katsunori Takada, Hiroyuki Takemoto
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Publication number: 20140030484Abstract: A transparent conductive film which comprises: a substrate composed of a non-crystalline polymer film; a first hard coating layer; a first transparent conductor layer; a first metal layer; a second hard coating layer; a second transparent conductor layer; and a second metal layer. The first hard coating layer includes a binder resin and a plurality of sphere-shaped particles having a diameter of 1 ?m to 5 ?m. The first metal layer has a plurality of projections having a maximum height Rz of 0.5 ?m to 2.5 ?m resulting from the plurality of particles included in the first hard coating layer on a surface thereof.Type: ApplicationFiled: October 4, 2013Publication date: January 30, 2014Applicant: NITTO DENKO CORPORATIONInventors: Naoki Tsuno, Hiroyuki Takao, Katsunori Takada, Kazuhiro Ikai
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Patent number: 8563870Abstract: A transparent conductive film which comprises: a substrate composed of a non-crystalline polymer film; a first hard coating layer; a first transparent conductor layer; a first metal layer; a second hard coating layer; a second transparent conductor layer; and a second metal layer. The first hard coating layer includes a binder resin and a plurality of particles. And the second hard coating layer includes a binder resin and a plurality of particles. The first metal layer has a plurality of projections on a surface thereof and the second metal layer has a plurality of projections on a surface thereof.Type: GrantFiled: November 21, 2012Date of Patent: October 22, 2013Assignee: Nitto Denko CorporationInventors: Naoki Tsuno, Hiroyuki Takao, Katsunori Takada, Kazuhiro Ikai
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Publication number: 20130194221Abstract: A resin film with pressure-sensitive adhesive layer of the invention includes a first transparent resin film, an oligomer blocking layer, and a pressure-sensitive adhesive layer laminated in this order, wherein the oligomer blocking layer is a cured layer formed by curing a composition containing a curable compound and inorganic oxide particles, the oligomer blocking layer has a thickness of 120 nm or more, the oligomer blocking layer has a refractive index difference of 0.04 or less from the pressure-sensitive adhesive layer, and an anchoring strength between the oligomer blocking layer and the pressure-sensitive adhesive layer is 1 N/25 mm or more. The resin film with pressure-sensitive adhesive layer can prevents the oligomer blocking layer from causing interference fringes, in which even when made thin, the oligomer blocking layer satisfies the requirements including oligomer blocking properties and scratch resistance, and also has good adhesion to the pressure-sensitive adhesive layer.Type: ApplicationFiled: September 28, 2011Publication date: August 1, 2013Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Daigoro Nakagawa, Hiroyuki Takao, Takayuki Adachi, Hiroki Kuramoto
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Publication number: 20130186548Abstract: A process including (1) applying a solution composition to one or both sides of a first transparent resin film to form a coating layer or layers, wherein the solution composition contains an active energy ray-curable compound, a photopolymerization initiator, and a solvent, wherein the photopolymerization initiator has a 10% weight loss temperature of 170° C. or more as measured by a loss-on-heating test; (2) removing, after the coating step (1), a solvent from the coating layer or layers by drying under such temperature conditions that the first laminated film obtained has a thermal shrinkage of 0.5% or less when heated at 150° C. for 1 hour, and (3) curing the coating layer or layers after the heat-treating step (2). A second laminated film produced with the first laminated film makes it possible to suppress curling and to prevent oligomer precipitation.Type: ApplicationFiled: September 28, 2011Publication date: July 25, 2013Applicant: NITTO DENKO CORPORATIONInventors: Hiroyuki Takao, Katsunori Takada, Daigoro Nakagawa, Hiroki Ozawa