Patents Assigned to Noritake Co., Limited
  • Patent number: 8883678
    Abstract: An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a mean primary particle size of, or greater than, 2 ?m and up to 6 ?m, and a second portion of alumina particles having a particle size less than 2 ?m. An improved catalyst containing the above-described carrier, as well as an improved process for the epoxidation of ethylene using the catalyst are also provided.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: November 11, 2014
    Assignees: Scientific Design Company, Inc., Noritake Co., Limited
    Inventors: Serguei Pak, Andrzej Rokicki, Shuji Kawabata, Takayuki Ohashi
  • Patent number: 8877664
    Abstract: Provided is a high-strength zirconia sintered body in which the progression of low-temperature degradation is inhibited. The zirconia sintered body contains partially-stabilized zirconia as a matrix phase and contains at least one element from among phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The content of the abovementioned element(s) in the zirconia sintered body ranges from 4×10?4 mol to 4×10?2 mol with respect to 1 mol of zirconium(IV) oxide. Preferably, the zirconia sintered body further contains 0.03% to 3% by mass of silicon dioxide.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: November 4, 2014
    Assignee: Noritake Co., Limited
    Inventors: Yoshihisa Ito, Yoshihisa Yamada, Hiroshi Inada, Kiyoko Ban
  • Publication number: 20140239238
    Abstract: A lead-free conductive paste composition for a solar cell contains a conductive powder, a glass frit, and a vehicle, the glass frit including at least one type of lead-free glass containing Bi2O3 from 10 to 32 (mol %), ZnO from 15 to 30 (mol %), SiO2 from 15 to 26 (mol %), B2O3 from 5 to 18 (mol %), Li2O, Na2O, and K2O from 12 to 25 (mol %) in total, Al2O3 from 2 to 10 (mol %), TiO2 from 0 to 6 (mol %), ZrO2 from 0 to 5 (mol %), 0 to 6 (mol %) P2O5 and 0 to 4 (mol %) Sb2O3 making a total of 0 to 6 (mol %), and CeO2 from 0 to 5 (mol %) at proportions within the respective ranges relative to the whole glass composition in terms of oxide.
    Type: Application
    Filed: July 27, 2012
    Publication date: August 28, 2014
    Applicant: NORITAKE CO., LIMITED
    Inventors: Kosuke Tsunoda, Yuko Suzuki, Takayuki Aoyama
  • Publication number: 20140225045
    Abstract: A conductive paste composition for a solar cell contains a conductive powder, a glass frit, and a vehicle. The glass fit includes glass containing SO2 within a range of 0.05 to 5.0 (mol %) in terms of oxide.
    Type: Application
    Filed: June 22, 2012
    Publication date: August 14, 2014
    Applicant: NORITAKE CO., LIMITED
    Inventors: Yasushi Yoshino, Yusuke Kawamoto, Kosuke Tsunoda
  • Patent number: 8778232
    Abstract: A lead-free conductive compound for a solar cell electrode including: a conductive powder; a glass frit; and a vehicle; the glass fit includes at least one kind of lead-free glass including 10 to 29 (mol %) of Bi2O3, 15 to 30 (mol %) of ZnO, 0 to 20 (mol %) of SiO2, 20 to 33 (mol %) of B2O3, and a total sum 8 to 21 (mol %) of Li2O, Na2O and K2O which are contained in a ratio with respect to a whole of a glass compound in terms of oxides.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: July 15, 2014
    Assignee: Noritake Co., Limited
    Inventors: Yuko Suzuki, Takahiro Sugiyama, Yasushi Yoshino, Takehiro Nakao
  • Patent number: 8685278
    Abstract: It is provided a fluorescent zirconia material including a fluorescent component and emitting fluorescence when excited with a light of a predetermined wavelength, the fluorescent component including a fluorescent material, the fluorescent material including at least one kind of Y2SiO5:Ce, Y2SiO5:Tb, (Y, Gd, Eu)BO3, Y2O3:Eu, YAG:Ce, ZnGa2O4:Zn and BaMgAl10O17:Eu and the fluorescent material being capable of emiting the fluorescence when subjected to firing treatment at temperatures ranging from 1300 to 1600(° C.) under oxidizing environments.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: April 1, 2014
    Assignee: Noritake Co., Limited
    Inventors: Yoshihisa Yamada, Yoshihisa Ito
  • Patent number: 8624480
    Abstract: The distance between filamentary cathodes and a phosphor on an anode substrate can be reduced by shortening the distance between the filamentary cathodes and a grid. To obtain high luminance without loss of display quality, the present invention provides a vacuum fluorescent display (1) with a driver IC, comprising a display unit (3) provided with a phosphor layer on an anode substrate (2), a plurality of filamentary cathodes (5), a grid (4), a driver IC (6), and a filament support (7) for shielding the IC and supporting an end part of the filamentary cathodes. The end part of the filamentary cathodes is fixed to one short side of the vacuum fluorescent display at a long side of the filament support. Depressions are provided to a surface of the filament support, or slits are provided to the filament support.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: January 7, 2014
    Assignees: Noritake Itron Corporation, Noritake Co., Limited
    Inventor: Tadami Maeda
  • Patent number: 8586769
    Abstract: An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a particle size of, or greater than, 3 ?m and up to 6 ?m, and a second portion of alumina particles having a particle size of, or less than, 2 ?m. An improved catalyst containing the above-described carrier, as well as an improved process for the epoxidation of ethylene using the catalyst are also provided.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: November 19, 2013
    Assignees: Scientific Design Company, Inc., Noritake Co., Limited
    Inventors: Serguei Pak, Andrzej Rokicki, Shuji Kawabata, Takayuki Ohashi
  • Patent number: 8568499
    Abstract: A vitrified grinding stone includes: abrasive grains; an inorganic binder that binds the abrasive grains; and air-communicating pores that are formed between the abrasive grains and the inorganic binder, micro-capsules that each encapsulate a lubricant and each have a diameter that is smaller than that of the air-communicating pore, being fixed on an inner wall surface of each of the air-communicating pores by an adhesive.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: October 29, 2013
    Assignees: Noritake Co., Limited, Noritake Super Abrasive Co., Ltd.
    Inventor: Akira Nagata
  • Patent number: 8512601
    Abstract: It is provided a paste composition for a solar cell electrode containing a conductive powder, a glass frit, and a vehicle, the glass frit being made of glass containing PbO, B2O3, and SiO2 at proportions within ranges of 46 to 57 (mol %), 1 to 7 (mol %), and 38 to 53 (mol %), respectively, in terms of oxide.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: August 20, 2013
    Assignee: Noritake Co., Limited
    Inventors: Takahiro Sugiyama, Atsushi Nagai, Ayumi Murakami
  • Publication number: 20130190164
    Abstract: A sintering composition and calcined object which are precursors for a sintered zirconia. The burned surface of the sintered zirconia gives an X-ray diffraction pattern in which the ratio of the height of the peak present around the location where a [200] peak assigned to the cubic system is to appear to the height of the peak present around the location where a [200] peak assigned to the tetragonal system is to appear is 0.4 or more, and a region located at a depth of 100 ?m or more from the burned surface gives an X-ray diffraction pattern in which the ratio of the height of the peak present around the location where a [200] peak assigned to the cubic system is to appear to the height of the peak present around the location where a [200] peak assigned to the tetragonal system is to appear is 0.3 or less.
    Type: Application
    Filed: August 19, 2011
    Publication date: July 25, 2013
    Applicant: NORITAKE CO LIMITED
    Inventors: Yoshihisa Ito, Shinji Kato
  • Patent number: 8465676
    Abstract: In order to provide a phosphor for a low-voltage electron beam and a vacuum fluorescent display apparatus in which the phosphor is used, a deposition layer is formed on a surface of a main body of a phosphor shown by the following chemical formula (1), the deposition layer being a plurality of oxide layers sequentially deposited on the surface of the phosphor main body. The phosphor for a low-voltage electron beam contains no cadmium, but has exceptional high-temperature exposure characteristics, as well as prolonged service life and higher brightness. Ca1-xSrxTiO3:Pr,M??(1) where M is at least one element selected from Al, Ga, In, Mg, Zn, Li, Na, K, Gd, Y, La, Cs, and Rb; and 0?x?1.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: June 18, 2013
    Assignees: Noritake Itron Corporation, Noritake Co., Limited
    Inventor: Koji Kato
  • Publication number: 20130099181
    Abstract: A conductive paste composition for a solar cell includes a conductive powder, a glass frit, and a vehicle, the glass frit consisting of glass containing 0.6 to 18.0 (mol %) Li2O, at least one of 0.1 to 6.0 (mol %) P2O5 and 0.1 to 4.0 (mol %) Sb2O5, 20 to 62 (mol %) PbO, 1 to 18 (mol %) B2O3, 18 to 65 (mol %) SiO2, 0 to 6 (mol %) Al2O3, 0 to 6 (mol %) TiO2, and 0 to 30 (mol %) ZnO in oxide conversion, the glass having a ratio of Pb/Si (mol ratio) within a range of 0.5 to 1.7.
    Type: Application
    Filed: June 17, 2011
    Publication date: April 25, 2013
    Applicant: NORITAKE CO., LIMITED
    Inventors: Yasushi Yoshino, Yusuke Kawamoto
  • Patent number: 8428448
    Abstract: A walking beam type heat treatment apparatus including a heating furnace having a heating body to heat a substrate by radiation, a pair of first beams that are rod-like and provided in the heating furnace and a second beam disposed between the pair of the first beams, one of the pair of the first beams and the second beam relatively moving alternately in longitudinal and vertical directions repeatedly to the other of the pair of the first beams and the second beam, to cause to deliver and receive the substrate between the pair of the first beams and the second beam, and accordingly, to convey the substrate through the heating furnace, includes a side edge support protrusion that protrudes from each of the pair of the first beams such that the side edge support protrusion can horizontally support the substrate in abutting contact with a side edge of the substrate; and a front edge support protrusion and a rear edge support protrusion that protrude from the second beam such that the front edge support protrusio
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: April 23, 2013
    Assignee: Noritake Co., Limited
    Inventors: Takashi Iwata, Yoshizumi Ito, Katsuhiro Kano
  • Publication number: 20130092880
    Abstract: A paste composition for forming a back surface electrode of a solar cell 10 provided by the present invention contains, as solid matter, an aluminum powder, a glass powder, and a composite powder composed of a granular composite material of titanium oxide and an organic or inorganic compound containing silicon. When the total amount of the composite powder, the aluminum powder, and the glass powder is 100% by mass, the composite powder is contained in a ratio of 0.45% by mass or more and 1% by mass or less.
    Type: Application
    Filed: March 29, 2011
    Publication date: April 18, 2013
    Applicants: SHARP KABUSHIKI KAISHA, NORITAKE CO., LIMITED
    Inventors: Kosuke Ochi, Masao Yamagishi, Satoshi Tanaka, Yoshihiro Ohishi
  • Publication number: 20130058061
    Abstract: This electronic component is provided with an inorganic substrate, a conductor film formed on a surface of the substrate, and bonding wires bonded to a part of said conductor film, and wire bonding sections are formed on at least a part of the electronic component. The part of the conductor film at least forming the aforementioned wire bonding sections contains an Ag-based metal formed of Ag or an alloy having Ag as the main constituent and a metal oxide which coats said Ag-based metal and which has, as a constituent element, any of the elements selected from the group consisting of Al, Zr, Ti, Y, Ca, Mg, and Zn. The coating quantity of the metal oxide is a quantity corresponding to 0.02 to 0.1 parts by mass relative to 100 parts by mass of the aforementioned Ag-based metal.
    Type: Application
    Filed: May 9, 2011
    Publication date: March 7, 2013
    Applicants: NORITAKE CO., LIMITED, TDK CORPORATION
    Inventors: Minoru Satoh, Takehiro Yamashita, Atsushi Nagai, Yasuo Adachi
  • Patent number: 8378929
    Abstract: Luminance life can be enhanced in a vacuum fluorescent display that is driven according to a dynamic drive scheme and that uses a phosphor having remarkable luminance saturation. A drive method for a vacuum fluorescent display, having causing a phosphor layer formed on an anode to display under low-energy electron excitation by the dynamic driving, wherein the phosphor included in the phosphor layer is a phosphor in which the luminance increases when a pulse width is reduced under conditions in which the Du is kept the same in the dynamic driving, and in which, after a voltage is applied to the anode and the luminance of the phosphor is saturated, the time at which the luminance value decreases to 10% of the saturation luminance value following stoppage of the voltage application is 200 ?sec or more; and wherein the pulse width and pulse repetition period in the dynamic driving are made variable in the direction of maintaining the initial luminance of the phosphor as driving time elapses.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: February 19, 2013
    Assignees: Noritake Itron Corporation, Noritake Co., Limited
    Inventors: Shigeki Kikuta, Kenji Nakanishi, Noboru Murata, Motohisa Isaka
  • Publication number: 20120226058
    Abstract: An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a mean primary particle size of, or greater than, 2 ?m and up to 6 ?m, and a second portion of alumina particles having a particle size less than 2 ?m. An improved catalyst containing the above-described carrier, as well as an improved process for the epoxidation of ethylene using the catalyst are also provided.
    Type: Application
    Filed: November 21, 2011
    Publication date: September 6, 2012
    Applicants: NORITAKE CO., LIMITED, SCIENTIFIC DESIGN COMPANY, INC.
    Inventors: Serguei Pak, Andrzej Rokicki, Shuji Kawabata, Takayuki Ohashi
  • Publication number: 20120214661
    Abstract: Provided is a high-strength zirconia sintered body in which the progression of low-temperature degradation is inhibited. The zirconia sintered body contains partially-stabilized zirconia as a matrix phase and contains at least one element from among phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The content of the abovementioned element(s) in the zirconia sintered body ranges from 4×10?4 mol to 4×10?2 mol with respect to 1 mol of zirconium(IV) oxide. Preferably, the zirconia sintered body further contains 0.03% to 3% by mass of silicon dioxide.
    Type: Application
    Filed: August 20, 2010
    Publication date: August 23, 2012
    Applicant: Noritake Co., Limited
    Inventors: Yoshihisa Ito, Yoshihisa Yamada, Hiroshi Inada, Kiyoko Ban
  • Publication number: 20120168691
    Abstract: It is provided a paste composition for a solar battery electrode, that includes electrically conductive powder, glass frit, and a vehicle, wherein the glass frit is made of glass that comprises, as amounts converted into those of oxides as ratios, Li2O within a range from 0.6 to 18 [mol %], PbO within a range from 20 to 65 [mol %], B2O3 within a range from 1 to 18 [mol %], and SiO2 within a range from 20 to 65 [mol %].
    Type: Application
    Filed: September 2, 2010
    Publication date: July 5, 2012
    Applicant: NORITAKE CO., LIMITED
    Inventors: Yasushi Yoshino, Takahiro Sugiyama, Shinji Senda, Yuuko Suzuki