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).

  • Patent number: 9720153
    Abstract: 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: Grant
    Filed: September 15, 2014
    Date of Patent: August 1, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Naoharu Kiyoto, Katsuhisa Ohzeki, Shinya Hakuta
  • Publication number: 20170164609
    Abstract: 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: Application
    Filed: February 23, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Shin OZAWA, Tetsuo KAWANO, Jou TOMINAGA, Naohiro MATSUNAGA, Hideo NAGASAKI, Naoharu KIYOTO, Yusuke HATANAKA
  • Publication number: 20170136740
    Abstract: 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: Application
    Filed: January 30, 2017
    Publication date: May 18, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Kentaro OKAZAKI, Hideki YASUDA
  • Publication number: 20170052296
    Abstract: 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: Application
    Filed: November 7, 2016
    Publication date: February 23, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Kentaro OKAZAKI
  • Publication number: 20170043556
    Abstract: 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: Application
    Filed: October 28, 2016
    Publication date: February 16, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kentaro OKAZAKI, Naoharu KIYOTO
  • Publication number: 20160362586
    Abstract: 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: Application
    Filed: August 23, 2016
    Publication date: December 15, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Yasuhiro MITAMURA, Reiji HIGUCHI, Yuuichi SHIRASAKI
  • Publication number: 20160349883
    Abstract: 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: Application
    Filed: August 11, 2016
    Publication date: December 1, 2016
    Applicant: FUJIFILM Corporation
    Inventor: Naoharu KIYOTO
  • Publication number: 20160345439
    Abstract: 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: Application
    Filed: August 4, 2016
    Publication date: November 24, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Kenichi YAMAMOTO, Naoharu KIYOTO, Kenji NAOI
  • Publication number: 20150168620
    Abstract: 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: Application
    Filed: February 27, 2015
    Publication date: June 18, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Shinya HAKUTA, Ryou MATSUNO, Takeharu TANI, Naoharu KIYOTO, Katsuhisa OHZEKI
  • Publication number: 20150002928
    Abstract: 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: Application
    Filed: September 15, 2014
    Publication date: January 1, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Katsuhisa OHZEKI, Shinya HAKUTA
  • Patent number: 8883045
    Abstract: 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: Grant
    Filed: September 30, 2009
    Date of Patent: November 11, 2014
    Assignee: Fujifilm Corporation
    Inventors: Yoichi Hosoya, Naoharu Kiyoto, Nori Miyagishima, Takeshi Funakubo, Kenji Naoi, Ryoji Nishimura
  • Publication number: 20140272386
    Abstract: 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: Application
    Filed: March 5, 2014
    Publication date: September 18, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Osamu SAWANOBORI
  • Publication number: 20140004338
    Abstract: 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: Application
    Filed: September 3, 2013
    Publication date: January 2, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Naoharu KIYOTO, Osamu SAWANOBORI
  • Publication number: 20130260139
    Abstract: 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: Application
    Filed: May 21, 2013
    Publication date: October 3, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Koh KAMADA, Naoharu KIYOTO
  • Publication number: 20130071651
    Abstract: 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: Application
    Filed: April 20, 2011
    Publication date: March 21, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Shinya Hakuta, Takeharu Tani, Naoharu Kiyoto
  • Patent number: 8133665
    Abstract: 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: Grant
    Filed: September 18, 2009
    Date of Patent: March 13, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Yoichi Hosoya, Naoharu Kiyoto, Junichiro Hosokawa, Masaaki Miki, Kouichi Yokota, Ryoji Nishimura
  • Publication number: 20120026580
    Abstract: 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: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Inventor: Naoharu KIYOTO
  • Publication number: 20110111210
    Abstract: 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: Application
    Filed: November 5, 2010
    Publication date: May 12, 2011
    Inventors: Yuki MATSUNAMI, Naoharu Kiyoto, Shinya Hakuta, Takeharu Tani, Masayuki Naya, Koh Kamada
  • Publication number: 20110070548
    Abstract: 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: Application
    Filed: September 18, 2009
    Publication date: March 24, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoichi HOSOYA, Naoharu KIYOTO, Junichiro HOSOKAWA, Masaaki MIKI, Kouichi YOKOTA, Ryoji NISHIMURA
  • Publication number: 20100273116
    Abstract: 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: Application
    Filed: July 1, 2010
    Publication date: October 28, 2010
    Applicant: FujiFilm Corporation
    Inventors: Junichiro Hosokawa, Naoharu Kiyoto, Ryoji Nishimura, Takashi Hoshimiya