Patents by Inventor Naoharu Kiyoto
Naoharu Kiyoto 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: 9720153Abstract: An infrared ray shielding film having a metal particle-containing layer in which hexagonal to circular tabular metal particles are contained in 60% by number or more relative to total number of the metal particles contained in the metal particle-containing layer exhibits excellent infrared ray reflection at a wide range of from 800 nm to 2000 nm and shows little heat ray absorption.Type: GrantFiled: September 15, 2014Date of Patent: August 1, 2017Assignee: FUJIFILM CorporationInventors: Naoharu Kiyoto, Katsuhisa Ohzeki, Shinya Hakuta
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Publication number: 20170164609Abstract: An object of the present invention is to provide an antibacterial sheet which is particularly extremely effective for preventing cloudiness or dew condensation and can prevent or inhibit the bacterial multiplication, an antibacterial coat, a laminate, and an antibacterial solution. The antibacterial sheet of the present invention has a support and at least one antibacterial layer disposed on the support, in which the antibacterial layer contains a binder and at least one kind of an antibacterial agent, and a water contact angle of only the binder is equal to or less than 20°.Type: ApplicationFiled: February 23, 2017Publication date: June 15, 2017Applicant: FUJIFILM CorporationInventors: Michihiro SHIBATA, Shin OZAWA, Tetsuo KAWANO, Jou TOMINAGA, Naohiro MATSUNAGA, Hideo NAGASAKI, Naoharu KIYOTO, Yusuke HATANAKA
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Publication number: 20170136740Abstract: There is provided a heat insulating window film disposed on the inside of a window, including: a support; and a fibrous conductive particles-containing layer disposed on the support, in which the fibrous conductive particles-containing layer contains fibrous conductive particles, the fibrous conductive particles-containing layer is disposed on a surface of the support on a side opposite to the surface of the window side, and a resistivity of the fibrous conductive particles-containing layer is equal to or greater than 1,000 ?/?. The heat insulating window film is a heat insulating window film having excellent heat insulating properties and radio-wave transmittance. A heat insulating window glass and a window are provided.Type: ApplicationFiled: January 30, 2017Publication date: May 18, 2017Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Kentaro OKAZAKI, Hideki YASUDA
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Publication number: 20170052296Abstract: There is provided a heat insulating window film disposed on the inside of a window, including at least: a support; and a fibrous conductive particles-containing layer disposed on the support, in which the fibrous conductive particles-containing layer is disposed on a surface of the support on a side opposite to the surface of the window side, and the heat insulating window film contains a near infrared shielding material. The heat insulating window film; a heat insulating window glass; an building material; a window; a building; and a vehicle which are manufactured at low cost, easily manufactured to have a large area, and have excellent visible light transmittance, shielding properties for near infrared light, heat insulating properties, and light resistance are provided.Type: ApplicationFiled: November 7, 2016Publication date: February 23, 2017Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Kentaro OKAZAKI
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Publication number: 20170043556Abstract: Provided is a heat insulating window film including a flexible support, and a fibrous metal particles-containing layer containing fibrous metal particles, in which the fibrous metal particles contain silver or an alloy of silver, an average short diameter of the fibrous metal particles is equal to or smaller than 35 nm and an average long diameter is equal to or greater than 5 ?m, and a content per unit area of fibrous metal particles of the fibrous metal particles-containing layer is equal to or greater than 10 mg/m2.Type: ApplicationFiled: October 28, 2016Publication date: February 16, 2017Applicant: FUJIFILM CorporationInventors: Kentaro OKAZAKI, Naoharu KIYOTO
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Publication number: 20160362586Abstract: There is provided a conductive film laminate used in a touch panel, including: a first pressure sensitive adhesive layer; a first conductive layer; a substrate; a second conductive layer; and a second pressure sensitive adhesive layer, in this order, in which a total moisture content of the substrate, the first pressure sensitive adhesive layer, and the second pressure sensitive adhesive layer is 1.0 g/m2 or less. There are provided a conductive film laminate, in which, even in a severe environment of high temperature and high humidity, a change of electrostatic capacitance between two layers of conductive films is small, high sensitivity can be maintained, and thus operation failure or malfunction can be prevented, and a touch panel using this conductive film laminate.Type: ApplicationFiled: August 23, 2016Publication date: December 15, 2016Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Yasuhiro MITAMURA, Reiji HIGUCHI, Yuuichi SHIRASAKI
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Publication number: 20160349883Abstract: A touch panel module in which a conductive film in which a mesh conductive layer composed of a mesh-like metal electrode is formed on a support, a ?/4 plate, a polarizing plate, and a protective layer are arranged in this order. A ?/4 plate is further arranged on a side of the conductive film opposite to the protective layer. The touch panel module has a visible light diffuse reflectivity of 2% or less, which is measured from the protective layer.Type: ApplicationFiled: August 11, 2016Publication date: December 1, 2016Applicant: FUJIFILM CorporationInventor: Naoharu KIYOTO
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Publication number: 20160345439Abstract: Provided is a method for producing a conductive member including: forming a first silver halide emulsion layer, a light absorption layer, and a second silver halide emulsion layer on a transparent support in this order; performing pattern exposure on the first silver halide emulsion layer; and the second silver halide emulsion layer and applying a development treatment thereto to obtain a conductive layer comprising a thin metal wire, in which the light absorption layer absorbs at least some of the wavelengths of light to which the first silver halide emulsion layer or the second silver halide emulsion layer is exposed.Type: ApplicationFiled: August 4, 2016Publication date: November 24, 2016Applicant: FUJIFILM CorporationInventors: Kenichi YAMAMOTO, Naoharu KIYOTO, Kenji NAOI
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Publication number: 20150168620Abstract: A multilayer structure including a metal particles-containing layer, a layer A having a refractive index, n1, and a layer B having a refractive index, n2, and satisfying one of the conditions (1-1) and (2-1) is capable of suppressing reflection of light at a wavelength ? intended to prevent reflection. n1<n2 and ?/4+m?/2<n1×d1<?/2+m?/2??Condition (1-1) n1>n2 and 0+m?/2<n1×d1<?/4+m?/2??Condition (2-1) wherein m represents an integer of 0 or greater; ? represents a wavelength with a unit of nm intended to prevent reflection; n1 represents a refractive index of the layer A; and d1 represents a thickness with a unit of nm of the layer A.Type: ApplicationFiled: February 27, 2015Publication date: June 18, 2015Applicant: FUJIFILM CORPORATIONInventors: Shinya HAKUTA, Ryou MATSUNO, Takeharu TANI, Naoharu KIYOTO, Katsuhisa OHZEKI
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Publication number: 20150002928Abstract: An infrared ray shielding film having a metal particle-containing layer in which hexagonal to circular tabular metal particles are contained in 60% by number or more relative to total number of the metal particles contained in the metal particle-containing layer exhibits excellent infrared ray reflection at a wide range of from 800 nm to 2000 nm and shows little heat ray absorption.Type: ApplicationFiled: September 15, 2014Publication date: January 1, 2015Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Katsuhisa OHZEKI, Shinya HAKUTA
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Patent number: 8883045Abstract: The present invention provides a metal nanowire-containing composition containing at a least metal nanowire and a heterocyclic compound having an interaction potential of less than ?1 mV.Type: GrantFiled: September 30, 2009Date of Patent: November 11, 2014Assignee: Fujifilm CorporationInventors: Yoichi Hosoya, Naoharu Kiyoto, Nori Miyagishima, Takeshi Funakubo, Kenji Naoi, Ryoji Nishimura
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Publication number: 20140272386Abstract: A heat ray shielding material having a metal particles-containing layer that contains at least one type of metal particles, in which the metal particles contain tabular metal particles having a hexagonal to circular form in a ratio of at least 60% by number, the main plane of the hexagonal to circular, tabular metal particles is in plane orientation in a range of from 0° to ±30° on average relative to one surface of the metal particles-containing layer, and at least 80% by number of the hexagonal to circular, tabular metal particles exist in the range of from the surface to d/2, of the metal particles-containing layer where d indicates the thickness of the metal particles-containing layer, has good visible light transmittance, heat shieldability (solar reflectance) and rubbing resistance.Type: ApplicationFiled: March 5, 2014Publication date: September 18, 2014Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Osamu SAWANOBORI
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Publication number: 20140004338Abstract: Provided is a heat ray-shielding material, including: a metal particle-containing layer including at least one type of metal particles; and an overcoat layer in close contact with at least one surface of the metal particle-containing layer, wherein the metal particles comprise 60% by number or more of substantially hexagonal to substantially circular tabular metal particles, and wherein principal planes of the substantially hexagonal to substantially circular tabular metal particles are plane-oriented within a range from 0° to ±30° on average in relation to one surface of the metal particle-containing layer.Type: ApplicationFiled: September 3, 2013Publication date: January 2, 2014Applicant: FUJIFILM CorporationInventors: Naoharu KIYOTO, Osamu SAWANOBORI
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Publication number: 20130260139Abstract: A heat ray-shielding material including a heat ray-shielding layer which includes flat silver particles and metal oxide particles is provided. Preferable aspects include: an aspect of the metal oxide particles including tin-doped indium oxide particles; an aspect of the heat ray-shielding layer including flat silver particles and metal oxide particles mixed and dispersed in a binder; and an aspect of the heat ray-shielding layer including a flat silver particle-containing layer including the flat silver particles and a metal oxide particle-containing layer including the metal oxide particles laminated therein.Type: ApplicationFiled: May 21, 2013Publication date: October 3, 2013Applicant: FUJIFILM CorporationInventors: Koh KAMADA, Naoharu KIYOTO
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Publication number: 20130071651Abstract: A heat-ray shielding material including: two or more metal particle-containing layers each containing at least one kind of metal particles; and one or more transparent dielectric layers, the heat-ray shielding material having a lamination structure where the metal particle-containing layers and the dielectric layers are alternatingly laminated, wherein at least one of the transparent dielectric layers has an optical thickness (nd) which satisfies the following expression (1) with respect to wavelength ?1 at which reflectance of the transparent dielectric layer is minimum: {(2m+1)×(?1/4)}?{(?1/4)×0.25}<nd<{(2m+1)×(?1/4)}+{(?1/4)×0.25}??Expression (1) where m is an integer of 0 or greater, ?1 is a wavelength at which the reflectance is minimum, n is a refractive index of the dielectric layer and d is a thickness (nm) of the dielectric layer.Type: ApplicationFiled: April 20, 2011Publication date: March 21, 2013Applicant: FUJIFILM CORPORATIONInventors: Shinya Hakuta, Takeharu Tani, Naoharu Kiyoto
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Patent number: 8133665Abstract: Disclosed is a silver halide photographic photosensitive material which includes a support and at least one silver halide photosensitive layer on the support, wherein the average equivalent sphere diameter of the silver halide of the silver halide photosensitive layer is 0.30 ?m or less, the silver halide photosensitive layer includes four or more kinds of silver halide grains having mutually different average equivalent sphere diameters, and the thickness between a surface of the support at a side at which the silver halide photosensitive layer is provided and a surface of the silver halide photosensitive layer at a side opposite to the support is 10 ?m or less.Type: GrantFiled: September 18, 2009Date of Patent: March 13, 2012Assignee: FUJIFILM CorporationInventors: Yoichi Hosoya, Naoharu Kiyoto, Junichiro Hosokawa, Masaaki Miki, Kouichi Yokota, Ryoji Nishimura
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Publication number: 20120026580Abstract: An infrared light reflective film comprising a dielectric multi-layered film constituted of an alternate laminate of a low-refractive index dielectric layer and a high-refractive index dielectric layer and a cholesteric liquid crystal-containing infrared light reflective layer, wherein all of the dielectric layers are composed of an inorganic material other than a metal and satisfy 225 nm?ni×di?350 nm in which ni represents a refractive index of an i-th dielectric layer and di represents a thickness of an i-th dielectric layer.Type: ApplicationFiled: July 27, 2011Publication date: February 2, 2012Inventor: Naoharu KIYOTO
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Publication number: 20110111210Abstract: The present invention provides a heat ray-shielding material which includes metal particle-containing layer containing at least one kind of metal particle, wherein the metal particle contains substantially hexagonal or substantially discoidal metallic flat particles in an amount of 60% by number or more, and the main planes of the metallic flat particles are oriented at an angle ranging from 0° to ±30° relative to one surface of the metal particle-containing layer.Type: ApplicationFiled: November 5, 2010Publication date: May 12, 2011Inventors: Yuki MATSUNAMI, Naoharu Kiyoto, Shinya Hakuta, Takeharu Tani, Masayuki Naya, Koh Kamada
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Publication number: 20110070548Abstract: Disclosed is a silver halide photographic photosensitive material which includes a support and at least one silver halide photosensitive layer on the support, wherein the average equivalent sphere diameter of the silver halide of the silver halide photosensitive layer is 0.30 ?m or less, the silver halide photosensitive layer includes four or more kinds of silver halide grains having mutually different average equivalent sphere diameters, and the thickness between a surface of the support at a side at which the silver halide photosensitive layer is provided and a surface of the silver halide photosensitive layer at a side opposite to the support is 10 ?m or less.Type: ApplicationFiled: September 18, 2009Publication date: March 24, 2011Applicant: FUJIFILM CORPORATIONInventors: Yoichi HOSOYA, Naoharu KIYOTO, Junichiro HOSOKAWA, Masaaki MIKI, Kouichi YOKOTA, Ryoji NISHIMURA
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Publication number: 20100273116Abstract: A silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these light-sensitive layer units composed of at least one silver halide emulsion layer, together with at least one nonphotosensitive layer, wherein the following compound (A) is contained in at least one layer of the photosensitive material, and the sensitivity thereof is enhanced by addition compound (A) as compared with that exhibited when not added, compound (A) being a heterocyclic compound having one or more hetero atoms in a ring system, wherein a sensitivity effect (X) at pH of a color developer of 10 and a sensitivity effect (Y) at pH of a color developer of 8 satisfy the following relation: Y/X<0.2.Type: ApplicationFiled: July 1, 2010Publication date: October 28, 2010Applicant: FujiFilm CorporationInventors: Junichiro Hosokawa, Naoharu Kiyoto, Ryoji Nishimura, Takashi Hoshimiya