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).
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Patent number: 11052634Abstract: 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: GrantFiled: February 7, 2017Date of Patent: July 6, 2021Assignees: AGC GLASS EUROPE SA, AGC INC., AGC FLAT GLASS NORTH AMERICA, INC., AGC VIDROS DO BRASIL LTDA.Inventors: Yuki Aoshima, Hidefumi Odaka
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Patent number: 10453891Abstract: 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: GrantFiled: August 1, 2017Date of Patent: October 22, 2019Assignee: AGC Inc.Inventors: Takeshi Tomizawa, Yuki Aoshima, Reo Usui, Hidefumi Odaka
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Publication number: 20190061314Abstract: 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: ApplicationFiled: February 7, 2017Publication date: February 28, 2019Applicants: AGC GLASS EUROPE SA, AGC INC., AGC FLAT GLASS NORTH AMERICA, INC., AGC VIDROS DO BRASIL LTDA.Inventors: Yuki AOSHIMA, Hidefumi ODAKA
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Publication number: 20170330913Abstract: 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: ApplicationFiled: August 1, 2017Publication date: November 16, 2017Applicant: Asahi Glass Company, LimitedInventors: Takeshi TOMIZAWA, Yuki AOSHIMA, Reo USUI, Hidefumi ODAKA
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Patent number: 8431943Abstract: 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: GrantFiled: May 7, 2010Date of Patent: April 30, 2013Assignee: Asahi Glass Company, LimitedInventors: Nobuhiro Nakamura, Motoshi Ono, Kenji Imakita, Hidefumi Odaka, Nao Ishibashi, Kazutaka Hayashi
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Patent number: 8427045Abstract: 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: GrantFiled: August 1, 2011Date of Patent: April 23, 2013Assignee: Asahi Glass Company, LimitedInventors: Nobuhiro Nakamura, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
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Publication number: 20110284907Abstract: 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: ApplicationFiled: August 1, 2011Publication date: November 24, 2011Applicant: Asahi Glass Company, LimitedInventors: Nobuhiro NAKAMURA, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
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Patent number: 8018140Abstract: 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: GrantFiled: December 12, 2008Date of Patent: September 13, 2011Assignee: Asahi Glass Company, LimitedInventors: Nobuhiro Nakamura, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
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Publication number: 20100230667Abstract: 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: ApplicationFiled: May 7, 2010Publication date: September 16, 2010Inventors: Nobuhiro Nakamura, Motoshi Ono, Kenji Imakita, Hidefumi Odaka, Nao Ishibashi, Kazutaka Hayashi
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Publication number: 20100003495Abstract: 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: ApplicationFiled: September 14, 2009Publication date: January 7, 2010Applicant: Asahi Glass Company, LimitedInventors: Ichiro Hayashi, Hidefumi Odaka
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Publication number: 20090153972Abstract: 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: ApplicationFiled: December 12, 2008Publication date: June 18, 2009Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Nobuhiro NAKAMURA, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
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Publication number: 20090130418Abstract: 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: ApplicationFiled: December 8, 2008Publication date: May 21, 2009Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hidefumi ODAKA, Akira MITSUI, Susumu NAKAGAMA
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Patent number: 7514023Abstract: 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: GrantFiled: August 29, 2007Date of Patent: April 7, 2009Assignee: Asahi Glass Company, LimitedInventor: Hidefumi Odaka
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Publication number: 20080054229Abstract: 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: ApplicationFiled: August 29, 2007Publication date: March 6, 2008Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Hidefumi ODAKA
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Publication number: 20080017502Abstract: 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: ApplicationFiled: August 17, 2007Publication date: January 24, 2008Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Makoto Fukawa, Hidefumi Odaka, Takuji Oyama, Akira Mitsui
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Publication number: 20060270209Abstract: 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: ApplicationFiled: August 9, 2006Publication date: November 30, 2006Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Akira Mitsui, Hidefumi Odaka, Shigeaki Yonemori, Yasuhiko Akao
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Publication number: 20060225999Abstract: 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: ApplicationFiled: June 8, 2006Publication date: October 12, 2006Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Makoto Fukawa, Hidefumi Odaka, Takuji Oyama, Akira Mitsui