Patents by Inventor Hidefumi Odaka

Hidefumi Odaka 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: 11052634
    Abstract: A laminated substrate for an electrochromic dimmer element includes a glass substrate; and a transparent conductive film. The glass substrate includes a silicon oxide, an aluminum oxide, a boron oxide, an alkaline earth metal oxide, and an alkali metal oxide in a total amount of 90 mol % or more, and includes the alkali metal oxide in a total amount of 12 mol % or less. The transparent conductive film includes an indium oxide film containing tin, and a tin oxide film containing at least one of tantalum, antimony and fluorine, in this order from a glass substrate side. The indium oxide film is formed directly on the glass substrate, a refractive index and an extinction coefficient of the indium oxide film at a wavelength of 1.3 ?m is less than 0.4, and greater than 0.4, respectively. A film thickness of the tin oxide film is greater than 35 nm.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: July 6, 2021
    Assignees: AGC GLASS EUROPE SA, AGC INC., AGC FLAT GLASS NORTH AMERICA, INC., AGC VIDROS DO BRASIL LTDA.
    Inventors: Yuki Aoshima, Hidefumi Odaka
  • Patent number: 10453891
    Abstract: A substrate with conductive film includes a base material; and a film of a conductive metal oxide arranged on an upper part of the base material. The film includes, by a top plan view, a first region and a second region, the second region is configured of a same material as the first region, and an electric resistance of the second region is higher than an electric resistance of the first region. The second region includes a part configured by a plurality of cellular sections surrounded by a plurality of fine cracks. In the part, each fine crack has a width of 1 nm to 50 nm, and each cellular section has a largest measure of less than 10 ?m.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: October 22, 2019
    Assignee: AGC Inc.
    Inventors: Takeshi Tomizawa, Yuki Aoshima, Reo Usui, Hidefumi Odaka
  • Publication number: 20190061314
    Abstract: A laminated substrate for an electrochromic dimmer element includes a glass substrate; and a transparent conductive film. The glass substrate includes a silicon oxide, an aluminum oxide, a boron oxide, an alkaline earth metal oxide, and an alkali metal oxide in a total amount of 90 mol % or more, and includes the alkali metal oxide in a total amount of 12 mol % or less. The transparent conductive film includes an indium oxide film containing tin, and a tin oxide film containing at least one of tantalum, antimony and fluorine, in this order from a glass substrate side. The indium oxide film is formed directly on the glass substrate, a refractive index and an extinction coefficient of the indium oxide film at a wavelength of 1.3 ?m is less than 0.4, and greater than 0.4, respectively. A film thickness of the tin oxide film is greater than 35 nm.
    Type: Application
    Filed: February 7, 2017
    Publication date: February 28, 2019
    Applicants: AGC GLASS EUROPE SA, AGC INC., AGC FLAT GLASS NORTH AMERICA, INC., AGC VIDROS DO BRASIL LTDA.
    Inventors: Yuki AOSHIMA, Hidefumi ODAKA
  • Publication number: 20170330913
    Abstract: A substrate with conductive film includes a base material; and a film of a conductive metal oxide arranged on an upper part of the base material. The film includes, by a top plan view, a first region and a second region, the second region is configured of a same material as the first region, and an electric resistance of the second region is higher than an electric resistance of the first region. The second region includes a part configured by a plurality of cellular sections surrounded by a plurality of fine cracks. In the part, each fine crack has a width of 1 nm to 50 nm, and each cellular section has a largest measure of less than 10 ?m.
    Type: Application
    Filed: August 1, 2017
    Publication date: November 16, 2017
    Applicant: Asahi Glass Company, Limited
    Inventors: Takeshi TOMIZAWA, Yuki AOSHIMA, Reo USUI, Hidefumi ODAKA
  • Patent number: 8431943
    Abstract: The present invention is intended to provide an organic LED element in which the extraction efficiency is improved up to 80% of emitted light, and provides a translucent substrate comprising a translucent glass substrate; a scattering layer formed on the glass substrate and comprising a glass which contains a base material having a first refractive index for at least one wavelength of light to be transmitted and a plurality of scattering materials dispersed in the base material and having a second refractive index different from that of the base material; and a translucent electrode formed on the scattering layer and having a third refractive index higher than the first refractive index, wherein distribution of the scattering materials in the scattering layer decreases toward the translucent electrode.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: April 30, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Nobuhiro Nakamura, Motoshi Ono, Kenji Imakita, Hidefumi Odaka, Nao Ishibashi, Kazutaka Hayashi
  • Patent number: 8427045
    Abstract: The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: April 23, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Nobuhiro Nakamura, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
  • Publication number: 20110284907
    Abstract: The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode.
    Type: Application
    Filed: August 1, 2011
    Publication date: November 24, 2011
    Applicant: Asahi Glass Company, Limited
    Inventors: Nobuhiro NAKAMURA, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
  • Patent number: 8018140
    Abstract: The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: September 13, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Nobuhiro Nakamura, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
  • Publication number: 20100230667
    Abstract: The present invention is intended to provide an organic LED element in which the extraction efficiency is improved up to 80% of emitted light, and provides a translucent substrate comprising a translucent glass substrate; a scattering layer formed on the glass substrate and comprising a glass which contains a base material having a first refractive index for at least one wavelength of light to be transmitted and a plurality of scattering materials dispersed in the base material and having a second refractive index different from that of the base material; and a translucent electrode formed on the scattering layer and having a third refractive index higher than the first refractive index, wherein distribution of the scattering materials in the scattering layer decreases toward the translucent electrode.
    Type: Application
    Filed: May 7, 2010
    Publication date: September 16, 2010
    Inventors: Nobuhiro Nakamura, Motoshi Ono, Kenji Imakita, Hidefumi Odaka, Nao Ishibashi, Kazutaka Hayashi
  • Publication number: 20100003495
    Abstract: An object of the present invention is to provide a tin oxide target suitable for forming a transparent conductive film by a sputtering method, in particular, DC sputtering method, DC pulse sputtering method, AC sputtering method, and MF sputtering method. The present invention relates to a sputtering target for use in forming a transparent conductive film by a sputtering method, the sputtering target containing tin oxide as a main component and containing, as dopants, copper element and at least one element selected from the dopant group A consisting of niobium, tungsten, tantalum, bismuth, and molybdenum.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: Asahi Glass Company, Limited
    Inventors: Ichiro Hayashi, Hidefumi Odaka
  • Publication number: 20090153972
    Abstract: The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 18, 2009
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Nobuhiro NAKAMURA, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
  • Publication number: 20090130418
    Abstract: Providing a tin oxide target suitable for the formation of a transparent conductive film by DC sputtering method, DC pulse sputtering method or AC sputtering method. A sputtering target which is used for forming a transparent conductive film by a sputtering method, comprising tin oxide as the main component, and at least one element selected from the A dopant group consisting of zinc, niobium, titanium, magnesium, aluminum and zirconium and at least one element selected from the B dopant group consisting of tungsten, tantalum and molybdenum, as dopants.
    Type: Application
    Filed: December 8, 2008
    Publication date: May 21, 2009
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Hidefumi ODAKA, Akira MITSUI, Susumu NAKAGAMA
  • Patent number: 7514023
    Abstract: To provide an electrically conductive material excellent in electrical conductivity and capable of exhibiting p-type electrical conductivity. An electrically conductive material containing Sn, W and oxygen, characterized in that when its chemical composition is expressed as Sn(x)W(y)O(z), x, y and z satisfy the following formulae (1) to (4): 0.7<x<1.3??(1) 0.7<y<1.3??(2) 3.2<z<4.5??(3) 0.001?(x?y)?0.1 or 0.001?(y?x)?0.1.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: April 7, 2009
    Assignee: Asahi Glass Company, Limited
    Inventor: Hidefumi Odaka
  • Publication number: 20080054229
    Abstract: To provide an electrically conductive material excellent in electrical conductivity and capable of exhibiting p-type electrical conductivity. An electrically conductive material containing Sn, W and oxygen, characterized in that when its chemical composition is expressed as Sn(x)W(y)O(z), x, y and z satisfy the following formulae (1) to (4): 0.7?x?1.3??(1) 0.7?y?1.3??(2) 3.2?z?4.5??(3) 0.001?(x?y)?0.1 or 0.001?(y?x)?0.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Hidefumi ODAKA
  • Publication number: 20080017502
    Abstract: A Ti oxide film is produced by a process comprising sputtering a Ti oxide film on a substrate in an atmosphere of at least one gas selected from the group consisting of a rare gas, a nitrogen-containing gas and an oxygen-containing gas within a chamber by means of a sputtering target composed of TiOx (1<x<2), wherein the total content of titanium and oxygen is at least 99.0 mass %, and firing the Ti oxide film in the presence of oxygen at a temperature ranging from 400 to 750° C. for a time ranging from 1 to 28 minutes.
    Type: Application
    Filed: August 17, 2007
    Publication date: January 24, 2008
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Makoto Fukawa, Hidefumi Odaka, Takuji Oyama, Akira Mitsui
  • Publication number: 20060270209
    Abstract: To provide a process for producing a transparent electrode comprising a tin oxide film which can readily be patterned, which can be realized at a low cost, and which has low resistivity and is excellent in transparency. A process for producing a transparent electrode having a patterned tin oxide film formed on a substrate, which comprises a step of forming a tin oxide film having light absorption characteristics on a substrate, a patterning step of removing part of the tin oxide film having light absorption characteristics, and a step of subjecting the patterned tin oxide film having light absorption characteristics to heat treatment to obtain a tin oxide film.
    Type: Application
    Filed: August 9, 2006
    Publication date: November 30, 2006
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Akira Mitsui, Hidefumi Odaka, Shigeaki Yonemori, Yasuhiko Akao
  • Publication number: 20060225999
    Abstract: To provide a visible light responsible Ti oxide film which has hydrophilicity and antifogging property and is excellent in transparency and which has an ability to decompose gas by UV radiation, and a process for its production, as well as a Ti oxide film-coated substrate. A Ti oxide film formed on a substrate, characterized in that when a voltage is applied to the Ti oxide film while the Ti oxide film is irradiated with light of a xenon lamp having a luminance of 100 mW/cm2 and having ultraviolet light of less than 400 nm cutoff, the electric current value is at least 1,000 times the electric current value when the same voltage as said voltage is applied to the Ti oxide film in a dark place.
    Type: Application
    Filed: June 8, 2006
    Publication date: October 12, 2006
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Makoto Fukawa, Hidefumi Odaka, Takuji Oyama, Akira Mitsui