Patents by Inventor Hidemasa Hosoda

Hidemasa Hosoda 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).

  • Publication number: 20200227081
    Abstract: Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is greater than 0.08 ?m and 0.14 ?m or smaller, and an absolute value ?N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hidemasa HOSODA, Takuto KUROKAWA, Norihito KASADA, Takahiro IWAMOTO
  • Publication number: 20200227084
    Abstract: Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is 0.04 ?m to 0.08 ?m, and an absolute value ?N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro IWAMOTO, Hidemasa Hosoda, Norihito Kasada, Takuto Kurokawa
  • Publication number: 20180348406
    Abstract: An antireflection film includes a transparent substrate; and an antireflection layer provided on one surface side of the transparent substrate, in which the antireflection layer is formed by laminating, from the transparent substrate side, a silver nanoparticle layer formed by dispersing a plurality of silver nanoparticles of which an aspect ratio is greater than or equal to 3 in a binder, and a layer of low refractive index having a refractive index lower than a refractive index of the transparent substrate, in this order, and the silver nanoparticle layer contains a metal more noble than silver.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 6, 2018
    Inventors: Ryou MATSUNO, Naoharu KIYOTO, Hidemasa HOSODA, Yuki NAKAGAWA
  • Publication number: 20180239060
    Abstract: Provided are an antireflection film having high durability and a functional glass including the antireflection film. An antireflection film includes a transparent substrate (10), an antireflection layer (30) provided on one surface side of the transparent substrate (10), and a hard coat layer (20) included between the transparent substrate (10) and the antireflection layer (30), in which the antireflection layer (30) is formed by laminating, from the hard coat layer (20) side, a layer of high refractive index (32) having a refractive index higher than a refractive index of the hard coat layer (20), a silver nano-disk layer (36) formed by dispersing a plurality of silver nano-disks (35) in a binder (33), and a layer of low refractive index (38) having a refractive index lower than the refractive index of the layer of high refractive index (32) in this order.
    Type: Application
    Filed: April 19, 2018
    Publication date: August 23, 2018
    Inventors: Hidemasa HOSODA, Naoki KOITO, Ryou MATSUNO, Hideki YASUDA
  • Publication number: 20160003984
    Abstract: A laminated film including a support; an optical functional layer on A surface side of the support and condenses or diffuses incident light; and a hard coat layer of at least 150 nm thick which is provided on the outermost layer of B surface side that is opposite to the A surface side of the support and has an inorganic component formed of a hydrolyzate of alkoxysilane or a UV curable resin as a main component, has excellent brightness. The hard coat layer has high hardness and the adhesiveness between the hard coat layer and a support is excellent.
    Type: Application
    Filed: September 11, 2015
    Publication date: January 7, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi FUNAKUBO, Hidemasa HOSODA, Tatsuya NOMURA, Kazuhito MIYAKE
  • Publication number: 20150331157
    Abstract: A sheet for illumination including a support, a mat layer which is arranged on one surface of the support, and an easily-adhesive layer which is arranged on the other surface of the support, in which a transmission value in percentage of image clarity in comb teeth with an interval of 2 mm and an image clarity value in percentage of reflection at 60° in comb teeth with an interval of 2 mm when an angle between a traveling direction of light and a normal of a sheet is set to be 60° satisfy (Transmission value in percentage of image clarity)/(image clarity value in percentage of reflection at 60°)?2, suppresses reflection of external light without degrading sharpness of a printed image.
    Type: Application
    Filed: July 28, 2015
    Publication date: November 19, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Hidemasa HOSODA, Tatsuya NOMURA, Takashi SHIMIZU
  • Publication number: 20150203718
    Abstract: A laminated film having a support and a backcoat film containing a silicon-containing resin, a matting agent and a surfactant wherein the silicon-containing resin contains a condensate of a tetrafunctional alkoxysilane and a trifunctional or bifunctional alkoxysilane in a molar ratio of 25/75 to 85/15, a volume average particle diameter of the matting agent is bigger than an average thickness of the backcoat film, and a content of inorganic fine particles in the backcoat film is 20% or less, can suppress generation of iridescent unevenness, luminance decrease and surface irregularity.
    Type: Application
    Filed: March 30, 2015
    Publication date: July 23, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Hidemasa HOSODA, Tatsuya NOMURA, Koreshige ITO
  • Publication number: 20140356618
    Abstract: A prism sheet as an optical functional sheet is a multilayer sheet, and includes a prism layer as an optical functional layer containing an organic material and a multilayer film. The multilayer film includes a film base and a first adhesive layer provided on the film base. The prism layer is formed on the first adhesive layer in a subsequent process. The thickness of the first adhesive layer is at least 0.1 ?m. The first adhesive layer contains at least 10 mass % of polyolefin.
    Type: Application
    Filed: August 14, 2014
    Publication date: December 4, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Hidemasa HOSODA, Kunihiko OHGA, Tatsuya NOMURA, Takashi KOBAYASHI
  • Patent number: 8890402
    Abstract: The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between the transparent electrode and the counter electrode, the organic compound layer including a light emitting layer, and a fine particle-containing layer positioned in the optical path of light emitted from the light emitting layer and adjacent to the transparent electrode, wherein the fine particle-containing layer contain an organic resin material having a refractive index equal to or lower than the refractive index of the transparent electrode, and fine particles having a refractive index higher than the refractive index of the organic resin material and a weight average particle diameter of 0.5 ?m to 5 ?m, and the fine particle-containing layer has a thickness of 2 ?m to 10 ?m.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: November 18, 2014
    Assignee: UDC Ireland Limited
    Inventors: Hiroyuki Mori, Hidemasa Hosoda, Masanori Hikita
  • Publication number: 20130083544
    Abstract: Provided is a light diffusion film for LED lighting that achieves a balance between concealment and light-utilization efficiency. The light diffusion film for LED lighting includes a sheet of substrate, an internal scattering layer and a surface shaping layer. The internal scattering layer contains a binder and particles; the mean particle diameter A of the particles is from 0.5 ?m to 5.0 ?m; the refractive index difference between the particles and the binder is from more than 0 to 0.15; and the content of the particles is from 10 parts by mass to 120 parts by mass with respect to 100 parts by mass of the binder.
    Type: Application
    Filed: March 18, 2011
    Publication date: April 4, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Hidemasa Hosoda, Karin Kuroiwa, Hiroyuki Mori, Kazuhide Hasegawa
  • Publication number: 20130045381
    Abstract: A prism sheet is provided with a prism member, being an optical functional member, and a multilayer film for supporting the prism member. The multilayer film is provided with a base layer and an adhesive layer. One of surfaces of the adhesive layer is adhered to a surface of the base layer. The other surface of the adhesive layer is adhered to the prism member. Thus, the prism member is adhered to the base layer through the adhesive layer. Polyester contained in the adhesive layer has a glass transition temperature Tg of less than 60° C. At least 30 mol % of dicarboxylic acid units in the polyester contained in the adhesive layer have naphthalene rings.
    Type: Application
    Filed: July 30, 2012
    Publication date: February 21, 2013
    Inventors: Tatsuya NOMURA, Kimi Ikeda, Hidemasa Hosoda, Takashi Kobayashi
  • Publication number: 20120213967
    Abstract: A stably-manufacturable optical laminate film and display device without rainbow-like unevenness are provided. An optical laminate film comprising: a support; an easily-adhesive layer provided on one surface of the support; and a transparent layer made of translucent resin provided on another surface of the support, wherein the transparent layer contains translucent particles, a volume average particle diameter r of the translucent particles satisfies 0.4 ?m?r?3.0 ?m, a total sum S of the translucent particles satisfies 30 mg/m2?S?500 mg/m2, and an average film thickness t of the transparent layer satisfies r/4?t<r.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 23, 2012
    Inventors: Hidemasa HOSODA, Tatsuya Nomura, Takashi Kobayashi
  • Publication number: 20120213968
    Abstract: A stably-manufacturable optical laminate film and display device having an excellent outer appearance without rainbow-like unevenness are provided. An optical laminate film includes a support, an easily-adhesive layer provided on one surface of the support, a transparent layer provided on the other surface of the support. In the optical laminate film, the transparent layer contains at least two types of translucent particles having different volume average particle diameters, and a total sum S of the translucent particles satisfies 30 mg/m2?S?500 mg/m2.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 23, 2012
    Inventors: Hidemasa Hosoda, Tatsuya Nomura, Takashi Kobayashi
  • Patent number: 8018145
    Abstract: The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between these electrodes, the organic compound layer including a light emitting layer, and a fine particle containing layer positioned in the optical path of light emitted from the light emitting layer, wherein the fine particle containing layer contains an organic resin material, a first fine particle, and a second fine particle having a weight average particle diameter greater than that of the first fine particle, wherein a refractive index n1 of the organic resin material into which the first fine particle is added and an average refractive index n2 of the organic compound layer satisfy a relationship |n1?n2|<0.25, and wherein the refractive index n1 and a refractive index n3 of the second fine particle satisfy a relationship n3?n1>0.2.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: September 13, 2011
    Assignee: Fujifilm Corporation
    Inventors: Hidemasa Hosoda, Takeharu Tani
  • Publication number: 20110057222
    Abstract: The present invention provides a method for producing an organic electroluminescent element, the method including: arranging, on a surface of a substrate having an electrostatic charge, particles provided with a surface electrostatic charge opposite to the electrostatic charge on the surface of the substrate, so that the particles are fixed on the surface of the substrate with an electrostatic force, and forming a thin film on the surface of the substrate on which the particles have been fixed.
    Type: Application
    Filed: September 8, 2010
    Publication date: March 10, 2011
    Inventors: Hidemasa Hosoda, Kiyoshi Fujimoto
  • Publication number: 20100225229
    Abstract: The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between these electrodes, the organic compound layer including a light emitting layer, and a fine particle containing layer positioned in the optical path of light emitted from the light emitting layer, wherein the fine particle containing layer contains an organic resin material, a first fine particle, and a second fine particle having a weight average particle diameter greater than that of the first fine particle, wherein a refractive index n1 of the organic resin material into which the first fine particle is added and an average refractive index n2 of the organic compound layer satisfy a relationship |n1?n2|<0.25, and wherein the refractive index n1 and a refractive index n3 of the second fine particle satisfy a relationship n3?n1>0.2.
    Type: Application
    Filed: February 25, 2010
    Publication date: September 9, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Hidemasa HOSODA, Takeharu TANI
  • Publication number: 20100194717
    Abstract: The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between the transparent electrode and the counter electrode, the organic compound layer including a light emitting layer, and a fine particle-containing layer positioned in the optical path of light emitted from the light emitting layer and adjacent to the transparent electrode, wherein the fine particle-containing layer contain an organic resin material having a refractive index equal to or lower than the refractive index of the transparent electrode, and fine particles having a refractive index higher than the refractive index of the organic resin material and a weight average particle diameter of 0.5 ?m to 5 ?m, and the fine particle-containing layer has a thickness of 2 ?m to 10 ?m.
    Type: Application
    Filed: January 13, 2010
    Publication date: August 5, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiroyuki MORI, Hidemasa HOSODA, Masanori HIKITA