| NORITAKE CO., LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20120112625 | Vacuum flourescent display apparatus - To provide a vacuum fluorescent display apparatus that can be expected to enhance lifespan characteristics of a red phosphor that does not contain Cd when driven in a voltage range of 30V or above. | 05-10-2012 |
| 20120012789 | FLUORESCENT ZIRCONIA MATERIAL - 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 Y | 01-19-2012 |
| 20110309312 | PASTE COMPOSITION FOR SOLAR CELL ELECTRODE - 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, B | 12-22-2011 |
| 20110279425 | Vacuum fluorescent display with driver IC - 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 ( | 11-17-2011 |
| 20110215708 | Phosphor for low-voltage electron beam and vaccum fluorescent display apparatus - 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. | 09-08-2011 |
| 20110135906 | VITRIFIED GRINDING STONE - 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. | 06-09-2011 |
| 20100248936 | Calcined ceramic body for dental use - It is provided a calcined ceramic body for dental use that is manufactured such that a formed body mainly containing zirconium oxide is worked in a degreasing process and in a calcining process, having a linear contraction coefficient upon full burning ranging from 19.0% to 22.0%. | 09-30-2010 |
| 20100194788 | Driving method for vacuum fluorescent display, and vacuum fluorescent display - 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 μsec 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. | 08-05-2010 |
| 20100128066 | IMAGE DISPLAY METHOD AND APPARATUS - It is provided at a reasonable cost an image display method and image display apparatus having a small-sized display drive control circuits even in the case of many intensity levels. | 05-27-2010 |
| 20100038604 | Nickel Paste - Nickel paste contains nickel powder, a resin binder and an organic solvent, wherein the nickel powder is a small amount sulfur nickel powder including less than 100 ppm sulfur. This provides the nickel paste that the change in viscosity due to sulfur included in the paste can be preferably restrained by using nickel powder including extremely small amount of sulfur. Limitation of sulfur to the extremely small amount causes superior stability, and then, since kinds of solvents and resin binders are not limited, the change in viscosity can be preferably restrained with using the solvent that is hard to cause the chemical attack on the green sheet as described above. Thus, nickel paste that is hard to cause the chemical attack and the change in viscosity can be provided. | 02-18-2010 |
| 20090274524 | Milling tool - A milling tool includes a cylindrical base and a plurality of abrasive grain clusters. The cylindrical base is centrally formed with a through-hole, and has an annular surface extending around the through-hole, a peripheral surface extending perpendicularly to the annular surface, and an inclined or rounded surface connecting the annular and peripheral surfaces. The annular surface is formed with a circular recess groove coaxially with the through-hole for separating the annular surface into first and second planar areas that respectively are closer to and farther from the peripheral surface. The second planar area is higher than the first planar area. Abrasive grains are brazed on the annular surface. The abrasive grain clusters are brazed on the inclined surface at predetermined intervals, each cluster including a predetermined number of abrasive grains having substantially the same diameter, each cluster being positioned substantially on a circumference almost equidistant from one another. | 11-05-2009 |
| 20090197203 | Photosensitive conductive paste for transferring and photosensitive transfer sheet - A photosensitive conductive paste for transferring including a metal powder, an inorganic material powder, a photosensitive resin and a polymerization initiator, and to be applied onto a surface of a transfer support, comprising an acrylic resin or a rosin-based resin. | 08-06-2009 |
| 20090032780 | NICKEL PASTE - Nickel paste includes nickel powder, a resin binder and an organic solvent, wherein the nickel powder includes less than 100 ppm sulfur. This provides the nickel paste that the change in viscosity due to sulfur included in the paste can be preferably restrained by using nickel powder including extremely small amount of sulfur. Limitation of sulfur to the extremely small amount causes superior stability, and then, since kinds of solvents and resin binders are not limited, the change in viscosity can be preferably restrained with using the solvent that is hard to cause the chemical attack on the green sheet as described above. Thus, nickel paste that is hard to cause the chemical attack and the change in viscosity can be provided. | 02-05-2009 |
| 20090007532 | Composite ceramic body, method of manufacturing the same and ceramic filter assembly - A method for manufacturing a composite ceramic body with occluding a plurality of pores that are open at its surface of a porous ceramic body, the method includes the steps of impregnating a polysilazane solution including polysilazane having a repetition structure of fundamental units of at least one of [—Si(H)(C | 01-08-2009 |
| 20080317945 | ELECTROLYTE MEMBRANES FOR USE IN FUEL CELLS - A solid polymer electrolyte membrane that has excellent methanol-crossover-suppression performance is provided, along with a fuel cell that employs the electrolyte membrane. The electrolyte membrane includes a matrix including a proton-conducting polymer such as perfluorocarbon sulfonic acid and a sheet substantially consisting of an inorganic fiber such as glass fiber. | 12-25-2008 |
| 20080241383 | METHOD FOR PRODUCING HYDROGEN GAS SEPARATION MATERIAL - The invention provides a method for consistently producing a hydrogen gas separator with a good performance balance. The method includes the process for preparing a porous substrate and the process for forming a silica coat on the substrate by chemical vapor deposition in which a reaction is brought about between a silica source provided to one side of the substrate and an oxygen-containing gas supplied to the other side of the substrate. The vapor deposition process is carried out using as the silica source a silicon compound (a) with Si-Z-Si bonds (Z is O or N) in the molecule. | 10-02-2008 |
