Patents Assigned to Asahi Glass Company Ltd.
  • Patent number: 6266475
    Abstract: An optical waveguide provided on a substrate, which comprises a core for transmitting light and a clad formed around the core, wherein the clad is made of a fluorinated alicyclic structure-containing polymer having functional groups.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: July 24, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Katsumi Suzuki, Ikuo Matsukura
  • Publication number: 20010008239
    Abstract: Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the two-dimensional matrix code 3 containing the information which can identify individually glass bulbs, and the manufacturing steps are conducted by using a computer and the particulars specified by the serial information.
    Type: Application
    Filed: February 7, 2001
    Publication date: July 19, 2001
    Applicant: ASAHI GLASS COMPANY, LTD.
    Inventor: Masayuki Shinoda
  • Patent number: 6261695
    Abstract: A coating composition comprising a fluorine-containing compound of the following formula 1, a polyisocyanate, water and an organic solvent: Rf—Q—A  1 wherein R is a monovalent fluorine-containing organic group having from 2 to 20 carbon atoms, Q is a single bond or a bivalent linking group, and A is a group having a hydrogen atom reactive with an isocyanate group.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: July 17, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventor: Kazusuke Kirimoto
  • Patent number: 6261982
    Abstract: A ceramic filter comprising at least 50 mass % of a cordierite aggregate having a particle size of at least 74 &mgr;m and a binder, wherein said binder comprises at least 10 mass % of a fine powder of cordierite having a particle size of less than 74 &mgr;m and &bgr;-spodumene, and the mass ratio of said &bgr;-spodumene to said fine powder of cordierite is from 0.6 to 2.5, and wherein said ceramic filter has a pressure loss coefficient m′ of at least 30×10−8 cm2 as represented by the following formula and as calculated with respect to pores having diameters corresponding to at least {fraction (1/10)} of the volume-based median pore diameter: m′=(Vp/Sp)2×(&rgr;) wherein Vp (cm3/g) is a cumulative pore specific volume, Sp (cm2/g) is a cumulative pore specific surface area, and &rgr; is a cumulative porosity.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: July 17, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Hideo Takahashi, Akira Mitsui
  • Patent number: 6251811
    Abstract: A funnel glass containing PbO for a cathode ray tube, wherein when the composition is represented by wt % based on oxides, the content of SrO is at least 1.0 wt %, the content of BaO is at least 1.0 wt %, and the ratio of the content of PbO to the total amount of PbO, SrO, BaO, CaO and MgO, is at most 0.69, and whereby the lead elution A of the glass as measured by the following method A is at most 1.0 &mgr;g/cm2, and the X-ray absorption coefficient at a wavelength of 0.6 Å is at least 40 cm−1: Method A: The glass is immersed in distilled and deionized water at 90° C. for 20 hours, whereupon the glass is taken out, and the amount of lead in the distilled and deionized water is measured by inductively coupled plasma emission spectrometry, and the measured value of the amount of lead is divided by the surface area of the glass, and the product is taken as the lead elution A.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: June 26, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Osamu Yanagisawa, Yuichi Kuroki, Ryousuke Akagi
  • Patent number: 6251524
    Abstract: A colored film comprising gold, bismuth oxide and an oxide other than bismuth oxide.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: June 26, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kenji Ishizeki, Yasuhiro Sanada, Satoshi Takeda, Akira Hirano
  • Patent number: 6251984
    Abstract: An aqueous dispersion type antisoiling composition comprising an aqueous medium, and fine particles of the following reaction product (A) and fine particles of the following addition polymer (B), dispersed in the aqueous medium, or an aqueous medium, and fine particles comprising the reaction product (A) and the addition polymer (B), dispersed in the aqueous medium: Reaction product (A): a reaction product of compounds (a1), (a2) and (a3); Compound (a1): a compound having a polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a2): a compound having no polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a3): a polyisocyanate compound; Addition polymer (B): a copolymer comprising polymer units of a polyfluoroalkyl group-containing (meth)acrylate and polymer units of methyl methacrylate.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: June 26, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Toyomichi Shimada, Takashige Maekawa
  • Patent number: 6248291
    Abstract: A process for producing sputtering targets, which comprises molding a mixture of a powder of a high-melting substance having a melting point of 900° C. or above with a powder of a low-melting metal having a melting point of 700° C. or below at a temperature below the melting point of the low-melting metal under heat and pressure.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: June 19, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Susumu Nakagama, Masao Higeta, Atsushi Hayashi
  • Patent number: 6243043
    Abstract: A first resonance is generated by the inductance of a first coil connected between a first antenna conductor in a window glass sheet and a receiver and the impedance of the antenna conductor, and a second resonance is generated by the inductance of a second coil connected between a second antenna conductor 3b and an automobile body as the earth. The antenna conductor and the antenna conductor are in a capacitive coupling relation, whereby signals in different broadcast band: a low frequency band and a high frequency band, are well received.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: June 5, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Fumitaka Terashima, Kohji Tabata, Tsuyoshi Yamamoto
  • Patent number: 6240746
    Abstract: An apparatus for forming glass sheets is provided wherein in a furnace structure of a heating furnace where molds with glass sheets carried thereon are intermittently conveyed, the staying period in the heating zone just before an annealing zone is variable, and the annealing zone includes a lifting device to separate a mold from a conveying device. By such arrangement, glass sheets having different shapes can be successively produced with a period for job change being greatly shortened.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: June 5, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kenji Maeda, Toshimi Yajima, Katsuki Saito, Yasuichi Ueno, Masaaki Konishi, Hiroshi Yamakawa
  • Patent number: 6236151
    Abstract: A glass panel for an implosion-protected type cathode ray tube is provided with a compressive stress of 7 MPa-30 MPa in an outer surface of a face portion and a relation of Rb≧0.017D+4.0 between the radius of curvature Rb of an outer surface of a blend R portion 9 in a diagonal portion of the glass panel and the largest outer diameter D of the glass panel Further, when the face portion is substantially flat, there is a relation of Tr≦0.014D+11.0 wherein Tr is the largest wall thickness of the blend R portion.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: May 22, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Toshihide Murakami, Tsunehiko Sugawara
  • Patent number: 6236560
    Abstract: An electrode for an electric double layer capacitor including a carbonaceous material and a binder, wherein the binder includes a polytetrafluoroethylene which is made from a fine powder of polytetrafluoroethylene having a specific gravity of at most 2.18 as defined in JIS-K6891.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: May 22, 2001
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Katsuji Ikeda, Manabu Suhara, Takeshi Kawasato
  • Patent number: 6235356
    Abstract: An insulating glass includes two or more glass sheets forming an air space layer between them. The glass sheets are separated by a spacer made of a resin having a JIS A hardness of from 10 to 90 at 25° C. The resin is a thermoplastic composition including a butyl rubber and a crystalline polyolefin. The resin contains from 50 to 98 wt % butyl rubber, from 2 to 50 wt % crystalline polyolefin, and from 10 to 200 wt % inorganic fillers, based on the total amount of butyl rubber and crystalline polyolefin in the resin.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: May 22, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Takashi Shibuya, Seigo Kotera, Hideki Nakagawa, Yoshitaka Matsuyama
  • Publication number: 20010001037
    Abstract: A process for producing sodium salts, which comprises adding solid sodium carbonate to a first aqueous solution containing sodium carbonate and sodium hydrogencarbonate, to prepare a second aqueous solution, precipitating, separating and recovering from the second aqueous solution sodium sesquicarbonate crystals containing at least 50 mol % of the sodium hydrogencarbonate component contained in the second aqueous solution, and further recovering sodium carbonate from a mother liquor remaining after separating the sodium sesquicarbonate crystals from the second aqueous solution.
    Type: Application
    Filed: December 28, 2000
    Publication date: May 10, 2001
    Applicant: ASAHI GLASS COMPANY LTD
    Inventors: Kunio Tanaka, Shintaro Kikuchi
  • Patent number: 6228240
    Abstract: An apparatus for producing deionized water consisting essentially of an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between a cathode and an anode to form demineralizing compartments and concentrating compartments, and ion exchangers accommodated in the demineralizing compartments, wherein a pressure of from 0.1 to 20 kg/cm2 is exerted between the ion exchangers accommodated in the demineralizing compartments and the cation exchange membranes and anion exchange membranes defining the demineralizing compartments.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: May 8, 2001
    Assignees: Asahi Glass Company Ltd., Glegg Water Conditioning, Incorporated
    Inventors: Ichiro Terada, Hiroshi Toda, Junjiro Iwamoto, Kazuo Umemura, Ken Komatsu, Tohru Hoshi, Mark Philip Huehnergard, David Florian Tessier, Ian Glenn Towe
  • Patent number: 6229587
    Abstract: A color liquid crystal display device has a liquid crystal layer of nematic liquid crystal having positive dielectric anisotropy and including a chiral material, which is interposed between two substrates disposed substantially in parallel, each provided with a transparent electrode and an aligning layer. The twist angle of the liquid crystal layer of liquid crystal molecules determined by the aligning layer of each of the substrates is 160°-300°. A pair of polarizing plates disposed outside the liquid crystal layer. A driving circuit applies a driving voltage across the transparent electrodes. A birefringent plate is disposed between the liquid crystal layer and an upper polarizing plates and a product &Dgr;n1·d1 of a refractive index anisotropy &Dgr;n1 of the liquid crystal in the liquid crystal layer and a thickness d1 of the liquid crystal layer is 1.2 &mgr;m-2.5 &mgr;m.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: May 8, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Masao Ozeki, Haruki Mori, Eiji Shidoji
  • Patent number: 6227394
    Abstract: Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the two-dimensional matrix code 3 containing the information which can identify individually glass bulbs, and the manufacturing steps are conducted by using a computer and the particulars specified by the serial information.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: May 8, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventor: Masayuki Shinoda
  • Publication number: 20010000789
    Abstract: The present invention provides the following adhesive which is good in durability in bonding a glass plate and a resin composition containing a butyl type rubber. The present invention provides the following adhesive which is particularly suitable as an adhesive for bonding a glass plate and a resin composition containing a butyl type rubber, for a double glazing employing a spacer comprising a resin composition containing a butyl type rubber.
    Type: Application
    Filed: December 18, 2000
    Publication date: May 3, 2001
    Applicant: Asahi Glass Company Ltd.
    Inventors: Seigo Kotera, Takashi Shibuya, Yoshitaka Matsuyama
  • Patent number: 6223472
    Abstract: A vehicle door including a window regulator, a first sash, a second sash, and a metallic elongated member which are incorporated with a base plate as a module which is to be mounted to a door main body. The main body is provided under the window opening of the door and has a housing space configured to house a windowpane. The window regulator is configured to move the windowpane between the window opening and the housing space. Each of the first and second sashes are configured to guide a respective one of the sides of the windowpane when the windowpane is moved by the window regulator. The first and second sashes are provided in parallel with each other. The base plate extends between the first sash and the second sash and is made of a resin material in a plate-shaped form. The metallic elongated member extends between the first sash and the second sash. The window regulator is provided on the elongated member.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: May 1, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kenichi Ishikawa, Hideyuki Hashimoto
  • Patent number: 6225392
    Abstract: A conductive paste comprising conductive powder and low-melting glass frit, wherein the low-melting glass frit constituting the conductive paste crystallizes crystals during firing to increase the resistivity of the conductive paste.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: May 1, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventor: Kazuo Sunahara