Patents by Inventor Yasuhiro Sanada
Yasuhiro Sanada 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: 7956103Abstract: To provide an ink composition capable of forming a metallic material which is excellent in adhesion to a substrate and free from ion migration. An ink composition having fine metallic copper particles and/or fine copper hydride particles, and fine silver oxide particles or fine metallic silver particles, dispersed in a water-insoluble organic liquid, which composition has a solid content concentration of from 10 to 80 mass % and contains from 5 to 90 parts by mass of the fine metallic copper particles and/or fine copper hydride particles, and from 10 to 95 parts by mass of the fine silver oxide particles or fine metallic silver particles, per 100 parts by mass of the total solid content in the ink composition.Type: GrantFiled: October 12, 2007Date of Patent: June 7, 2011Assignee: Asahi Glass Company, LimitedInventors: Hideyuki Hirakoso, Keisuke Abe, Yasuhiro Sanada
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Publication number: 20100291295Abstract: The present invention relates to a metallic oxide film which exhibits a high hardness and is good in terms of the transparency, and which exhibits a hydrophilic property, a defogging and dirtproof property and a self-cleaning property over a long period of time, a production process for the same, and a hydrophilic mirror comprising this hydrophilic metallic oxide film. The present invention is characterized in that the superficial shapes of a metallic oxide film formed on a substrate surface is such that the superficial shapes of the metallic oxide film are such that an arithmetic average roughness Ra is 4-8 nm, a maximum roughness (maximum irregularity difference) Rz is 40-70 nm, a 10-point average roughness RzJIS is 20-60 nm, and pitches between irregularities are 10-300 nm, the Ra, Rz, RzJIS and pitches measured by an atomic force microscope. The metallic oxide film of such superficial shapes is useful as a hydrophilic mirror, and can be used appropriately as automotive outer mirrors.Type: ApplicationFiled: November 21, 2007Publication date: November 18, 2010Inventors: Masayuki Ichiyanagi, Takenobu Sakai, Noriyuki Takai, Hiroshi Yoshida, Norie Fujioka, Yasuhiro Sanada, Takashige Yoneda
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Patent number: 7550513Abstract: It is to provide fine particles of copper, nickel or palladium hydride having an average particle diameter of at most 50 nm, which are hardly oxidized in the atmosphere and are excellent in storage stability and are thereby very suitable for formation of metallic materials, and their production process. Further, it is to provide a dispersion containing fine particles of copper, nickel or palladium hydride, which is excellent in storage stability, and a metallic material obtained by applying the dispersion, followed by baking. The fine particles of copper, nickel or palladium hydride and the dispersion thereof, to be obtained by the present invention, are applicable to various applications, and they can be used for e.g. formation and repair of printed wiring, etc. employing a dispersion, interlayer wiring in semiconductor packages, and joining of printed wiring boards and electronic components.Type: GrantFiled: December 8, 2005Date of Patent: June 23, 2009Assignee: Asahi Glass Company, LimtedInventors: Hideyuki Hirakoso, Keisuke Abe, Yasuhiro Sanada, Kentarou Tsunozaki
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Publication number: 20090136770Abstract: To provide a dispersion which is excellent in oxidation resistance and dispersion stability, and which contains metal fine particles capable of forming a metal film excellent in conductivity; a process for producing it; and an article having a metal film excellent in conductivity. A process for producing a dispersion of metal fine particles, which comprises heating a dispersion of metal hydride fine particles, comprising a dispersion medium, metal hydride fine particles dispersed in the medium and having an average particle size of at most 50 nm, and an organic compound with from 4 to 1000 carbon atoms, having an amino group, in an inert atmosphere at a temperature of from 60 to 350° C.; a dispersion containing metal fine particles, obtained by such a process; and an article having a metal film formed by applying the dispersion containing metal fine particles on a substrate and firing it.Type: ApplicationFiled: January 27, 2009Publication date: May 28, 2009Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hideyuki HIRAKOSO, Keisuke Abe, Yasuhiro Sanada
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Publication number: 20080260995Abstract: To provide an ink composition capable of forming a metallic material which is excellent in adhesion to a substrate and free from ion migration. An ink composition having fine metallic copper particles and/or fine copper hydride particles, and fine silver oxide particles or fine metallic silver particles, dispersed in a water-insoluble organic liquid, which composition has a solid content concentration of from 10 to 80 mass % and contains from 5 to 90 parts by mass of the fine metallic copper particles and/or fine copper hydride particles, and from 10 to 95 parts by mass of the fine silver oxide particles or fine metallic silver particles, per 100 parts by mass of the total solid content in the ink composition.Type: ApplicationFiled: October 12, 2007Publication date: October 23, 2008Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hideyuki HIRAKOSO, Keisuke Abe, Yasuhiro Sanada
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Patent number: 7390440Abstract: To provide metal-containing fine particles having good dispersion stability, which have their surface coated with dispersants vaporizable even during firing at low temperatures, a fine particle dispersion having the above metal-containing fine particles dispersed therein, and an electroconductive metal-containing material having an excellent volume resistivity formed by using the fine particle dispersion. Metal-containing fine particles with their surface coated with at least two dispersants having different vaporization temperatures.Type: GrantFiled: August 10, 2006Date of Patent: June 24, 2008Assignee: Asahi Glass Company, LimitedInventors: Hideyuki Hirakoso, Keisuke Abe, Yasuhiro Sanada
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Publication number: 20060266156Abstract: To provide metal-containing fine particles having good dispersion stability, which have their surface coated with dispersants vaporizable even during firing at low temperatures, a fine particle dispersion having the above metal-containing fine particles dispersed therein, and an electroconductive metal-containing material having an excellent volume resistivity formed by using the fine particle dispersion. Metal-containing fine particles with their surface coated with at least two dispersants having different vaporization temperatures.Type: ApplicationFiled: August 10, 2006Publication date: November 30, 2006Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hideyuki Hirakoso, Keisuke Abe, Yasuhiro Sanada
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Publication number: 20060070493Abstract: It is to provide fine particles of copper, nickel or palladium hydride having an average particle diameter of at most 50 nm, which are hardly oxidized in the atmosphere and are excellent in storage stability and are thereby very suitable for formation of metallic materials, and their production process. Further, it is to provide a dispersion containing fine particles of copper, nickel or palladium hydride, which is excellent in storage stability, and a metallic material obtained by applying the dispersion, followed by baking. The fine particles of copper, nickel or palladium hydride and the dispersion thereof, to be obtained by the present invention, are applicable to various applications, and they can be used for e.g. formation and repair of printed wiring, etc. employing a dispersion, interlayer wiring in semiconductor packages, and joining of printed wiring boards and electronic components.Type: ApplicationFiled: December 8, 2005Publication date: April 6, 2006Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hideyuki Hirakoso, Keisuke Abe, Yasuhiro Sanada, Kentarou Tsunozaki
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Publication number: 20050214509Abstract: The present invention relates to a metallic oxide film which exhibits a high hardness and is good in terms of the transparency, and which exhibits a hydrophilic property, a defogging and dirtproof property and a self-cleaning property over a long period of time, a production process for the same, and a hydrophilic mirror comprising this hydrophilic metallic oxide film. The present invention is characterized in that the superficial shapes of a metallic oxide film formed on a substrate surface is such that the superficial shapes of the metallic oxide film are such that an arithmetic average roughness Ra is 4-8 nm, a maximum roughness (maximum irregularity difference) Rz is 40-70 nm, a 10-point average roughness RzJIS is 20-60 nm, and pitches between irregularities are 10-300 nm, the Ra, Rz, RzJIS and pitches measured by an atomic force microscope. The metallic oxide film of such superficial shapes is useful as a hydrophilic mirror, and can be used appropriately as automotive outer mirrors.Type: ApplicationFiled: May 15, 2003Publication date: September 29, 2005Applicants: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho, Asahi Glass Company, LimitedInventors: Masayuki Ichiyanagi, Takenobu Sakai, Noriyuki Takai, Hiroshi Yoshida, Norie Fujioka, Yasuhiro Sanada, Takashige Yoneda
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Publication number: 20040197549Abstract: A low-reflectance conductive film and a colored low-reflectance conductive film for improving conductivity, suppressing the lowering of conductivity with time, maintaining the reflectance and abrasion resistance, and having a low reflectance function, manufacturing methods thereof, and a substrate provided therewith are provided. The low-reflectance conductive film is made of at least two films, a conductive film containing therein conductive fine particles and a low-refraction film with a lower refractive index than the conductive film, formed on the conductive film, with a resistance-lowering material being contained in the conductive film. A low-reflectance conductive film manufacturing method for forming a low-reflectance conductive film by coating onto a substrate a conductive film forming coating liquid which contains therein conductive fine particles and then coating a low-refraction film forming coating liquid which contains therein a resistance-lowering material.Type: ApplicationFiled: April 16, 2004Publication date: October 7, 2004Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hisao Inokuma, Keisuke Abe, Yasuhiro Sanada
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Patent number: 6639318Abstract: The present invention has an object to provide an integrated circuit device having a Cu wiring, using a barrier layer which facilitates planarization. The present invention relates to an integrated circuit device having a Cu wiring layer, a barrier layer therefor and a dielectric layer, wherein the barrier layer is represented by a compositional formula of TaOxNy (the range of x being 0<x<2.5, and the range of y being 0<y<1). Further, the present invention relates to an integrated circuit device having a Cu wiring layer, a barrier layer therefor and a dielectric layer, wherein the barrier layer is represented by a compositional formula of Ta1−aMaObNc (M being at least one member selected from the group consisting of elements of Groups 3, 4, 6, 7, 8, 9, 10, 12, 13 and 14 of the long form of the periodic table, the range of a being 0<a<1, the range of b being 0<b<2.5, and the range of c being 0<c<1).Type: GrantFiled: October 13, 2000Date of Patent: October 28, 2003Assignees: Asahi Glass Company, Limited, Seimi Chemical Co., Ltd.Inventors: Akira Mitsui, Atsushi Hayashi, Kiyoshi Matsumoto, Hiromichi Nishimura, Yasuhiro Sanada, Makoto Noshiro, Kazuo Sunahara
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Patent number: 6251524Abstract: A colored film comprising gold, bismuth oxide and an oxide other than bismuth oxide.Type: GrantFiled: September 29, 1999Date of Patent: June 26, 2001Assignee: Asahi Glass Company Ltd.Inventors: Kenji Ishizeki, Yasuhiro Sanada, Satoshi Takeda, Akira Hirano
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Patent number: 5578377Abstract: A coating solution for forming a colored thin film, which contains a metal oxide containing nitrogen.Type: GrantFiled: April 21, 1994Date of Patent: November 26, 1996Assignee: Asahi Glass Company Ltd.Inventors: Takeshi Morimoto, Kazuya Hiratsuka, Yasuhiro Sanada, Keiko Ohashi, Keisuke Abe, Takeshi Kawasato
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Patent number: 5219551Abstract: A process for preparing hydrogen fluoride, which comprises (i) reacting calcium fluoride with sulfuric acid to produce a gypsum and a gas containing hydrogen fluoride, (ii) separating hydrogen fluoride from said gas containing hydrogen fluoride, (iii) absorbing said hydrogen fluoride-separated gas with water to obtain an aqueous solution containing hydrogen fluoride and silicofluoric acid, (iv) reacting calcium carbonate with said aqueous solution to obtain a suspension containing silicic acid and calcium fluoride, (v) adding an alkaline substance to said suspension to make pH at least 8, thereby stabilizing the silicic acid as a colloidal solution, (vi) separating a calcium fluoride solid and the colloidal solution of silicic acid from said suspension, and (vii) recycling the separated calcium fluoride as a starting calcium fluoride.Type: GrantFiled: May 30, 1991Date of Patent: June 15, 1993Assignee: Asahi Glass Company Ltd.Inventors: Kunihiko Terase, Sadao Hagita, Kouichi Yokoyama, Yasuhiro Sanada, Michiomi Nagase, Suekazu Hirata
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Patent number: 5085888Abstract: Disclosed herein is a method for forming a thin MgF.sub.2 film on a substrate which comprises coating a substrate with a liquid containing an Mg salt and a BF.sub.3 complex salt and subsequently heating the coating, and the method may be used to coat a substrate such as glass plate, optical parts, CRT panel and liquid crystal display panel with a low-reflection film composed of a transparent thin MgF.sub.2 film having a low refractive index and good durability.Type: GrantFiled: December 11, 1990Date of Patent: February 4, 1992Assignee: Asahi Glass Company Ltd.Inventors: Takeshi Morimoto, Yasuhiro Sanada
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Patent number: 4862328Abstract: A polarizable electrode for an electric double layer capacitor, composed of a continuously micro-porous structure of a fluorine-containing polymer resin with a fine carbon powder incorporated therein, wherein said structure includes a numerous fine nodes of the resin and fine fibers of the resin three dimensionally connecting the nodes so that the nodes are partially in contact with or connected to one another, and the fine carbon powder is contained substantially in the nodes.Type: GrantFiled: March 28, 1988Date of Patent: August 29, 1989Assignees: Asahi Glass Company Ltd., Elna Company Ltd.Inventors: Takeshi Morimoto, Yasuhiro Sanada, Shinichi Ohashi, Yoshikatsu Kimura
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Patent number: 4757424Abstract: An electric double layer capacitor comprising a casing and polarizable electrodes and an electrolyte solution accommodated in the casing and utilizing an electric double layer formed by the interface of the electrolyte solution and the polarizable electrodes, characterized in that at least the portion of the casing which is in contact with the electrolyte solution at the anode side is made of an alloy steel consisting essentially of from 50 to 75.3% by weight of Fe, from 10.0 to 35.0% by weight of Cr, from 0 to 25.0% by weight of Ni, from 0.1 to 5.0% by weight of Mo and from 0.1 to 2.0% by weight of N.Type: GrantFiled: September 21, 1987Date of Patent: July 12, 1988Assignees: Asahi Glass Company Ltd., Elna Company Ltd.Inventors: Takeshi Morimoto, Kazuya Hiratsuka, Yasuhiro Sanada, Hiroshi Aruga
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Patent number: 4725926Abstract: An electric double layer capacitor utilizing an electric double layer formed by the interface of an electrolyte solution and polarizable electrodes, wherein the electrolyte solution comprises a quaternary phosphonium salt of the formula I dissolved in an organic solvent: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a hydrogen atom, an alkyl group having from 1 to 15 carbon atoms or an aryl group having from 6 to 15 carbon atoms, provided that not all of R.sub.1 to R.sub.4 are hydrogen atoms, and X is BF.sub.4, PF.sub.6 , ClO.sub.4, AsF.sub.6, SbF.sub.6, AlCl.sub.4 or R.sub.f SO.sub.3 wherein R.sub.f is a fluoroalkyl group having from 1 to 8 carbon atoms.Type: GrantFiled: January 15, 1987Date of Patent: February 16, 1988Assignees: Asahi Glass Company Ltd., Elna Company Ltd.Inventors: Takeshi Morimoto, Kazuya Hiratsuka, Yasuhiro Sanada, Hiroshi Ariga
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Patent number: 4725927Abstract: An electric double layer capacitor utilizing an electric double layer formed by the interface of an electrolyte solution and polarizable electrodes, wherein the electrolyte solution comprises a solute dissolved in at least one solvent selected from the group consisting of sulfolane and a derivative thereof.Type: GrantFiled: April 8, 1987Date of Patent: February 16, 1988Assignees: Asahi Glass Company Ltd., Elna Company Ltd.Inventors: Takeshi Morimoto, Kazuya Hiratsuka, Yasuhiro Sanada, Hiroshi Aruga