Wakiya
Naoki Wakiya, Hamamatsu-Shi JP
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20120219720 | METHOD OF MANUFACTURING SURFACE-COATED CUTTING TOOL WITH EXCELLENT ABRASION RESISTANCE - A method of manufacturing a surface-coated cutting tool includes: forming an aluminum oxide layer having a layer thickness of 0.05 to 5 μm and an α-alumina structure with a corundum type crystal structure on a cutting tool body using a sol-gel method. The step of forming includes adding an alcohol to aluminum alkoxide; adding an acid; stirring the mixture at 10° C. or lower to form a sol; applying the sol on a surface of the cutting tool body or an outer-most surface of a hard-coating layer formed on the surface of the cutting tool body; performing a drying process at least once, the applied sol being dried at 100 to 400° C. in the drying process; and annealing the cutting tool body with a dried sol layer at 500 to 1000° C. | 08-30-2012 |
Naoki Wakiya, Tokyo JP
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20140091677 | PIEZOELECTRIC ELEMENT - A piezoelectric element includes a substrate, a lower electrode layer, a piezoelectric layer, and an upper electrode layer. The lower electrode layer is fixed to the substrate and the piezoelectric layer is formed on the lower electrode layer. The upper electrode layer is formed on piezoelectric layer. The lower electrode layer contains pores therein and has a larger thermal expansion coefficient than the piezoelectric layer. | 04-03-2014 |
20150028444 | INFRARED DETECTION ELEMENT - An infrared detection element includes a substrate, a lower electrode layer, a pyroelectric layer, and an upper electrode layer. The lower electrode layer is fixed to the substrate, and the pyroelectric layer is formed on the lower electrode layer. The upper electrode layer is formed on pyroelectric layer. The lower electrode layer contains pores therein and has a larger thermal expansion coefficient than the pyroelectric layer. | 01-29-2015 |
Shinsuke Wakiya, Osaka JP
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20130168717 | ENCAPSULATING SHEET, PRODUCING METHOD OF OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SEMICONDUCTOR DEVICE, AND LIGHTING DEVICE - An encapsulating sheet, encapsulating an optical semiconductor element, includes a first layer which contains a phosphor and a second layer which contains a phosphor, is laminated on the first layer, and encapsulates the optical semiconductor element. The ratio of the volume of the phosphor in the first layer to that of the phosphor in the second layer is 90:10 to 55:45. | 07-04-2013 |
20130228803 | LIGHT-EMITTING DEVICE, LIGHTING DEVICE, LIGHT-EMITTING DEVICE ASSEMBLY, AND METHOD FOR PRODUCING LIGHT-EMITTING DEVICE - A light-emitting device includes a substrate including a mirror surface region on its upper surface, a semiconductor light-emitting element disposed in the mirror surface region, and an encapsulating layer joined onto the upper surface of the substrate. The encapsulating layer includes a lower layer that is in contact with the upper surface of the substrate, covers the surrounding of the semiconductor light-emitting element, and contains phosphor; and an upper layer that is positioned on the lower layer, and has a larger phosphor content per unit area than that of the lower layer. | 09-05-2013 |
20130229805 | LIGHT-EMITTING DEVICE ASSEMBLY AND LIGHTING DEVICE - A light-emitting device assembly includes a plurality of light-emitting devices. The plurality of light-emitting devices each includes a circuit board including a pair of electrodes to be connected to an external power source, and to which an electric power is supplied from the power source through the electrodes; a semiconductor element supported on and electrically connected to the circuit board; and an encapsulating layer that encapsulates the semiconductor element on the circuit board. The plurality of light-emitting devices are disposed so as to be continuous in one direction. The encapsulating layer is disposed so that the encapsulating layers of the light-emitting devices next to each other are in contact with each other when viewed from the top. | 09-05-2013 |
20140374787 | ENCAPSULATING SHEET, PRODUCING METHOD OF OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SEMICONDUCTOR DEVICE, AND LIGHTING DEVICE - An encapsulating sheet, encapsulating an optical semiconductor element, includes a first layer which contains a phosphor and a second layer which contains a phosphor, is laminated on the first layer, and encapsulates the optical semiconductor element. The ratio of the volume of the phosphor in the first layer to that of the phosphor in the second layer is 90:10 to 55:45. | 12-25-2014 |
Takeshi Wakiya, Ibaraki JP
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20140347716 | INK FOR ELECTROWETTING DEVICE AND ELECTROWETTING DEVICE USING THE SAME - The present invention relates to an ink for an electrowetting element comprising colorant particles and a solvent, wherein the colorant particles have a specific gravity of 2 or less and an average particle diameter of 20 to 300 nm, and wherein the content of the colorant particles in the ink is 5 to 50% by mass. | 11-27-2014 |
Takeshi Wakiya, Tsukuba-Shi JP
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20130222880 | ELECTROWETTING DISPLAY - Provided is an electrowetting device capable of performing bright and high-contrast color display. In addition, provided is an electrowetting device capable of performing high-quality display without unevenness. | 08-29-2013 |
Takeshi Wakiya, Osaka JP
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20090033859 | Liquid Crystal Spacer, Spacer Diffusion Liquid, Liquid Crystal Display Device Manufacturing Method, and Liquid Crystal Display Device - It is the object of the present invention to provide: a liquid crystal spacer that can precisely control the interval of two substrates in producing a liquid crystal display apparatus, and can be firmly fixed to the surface of the substrate; a spacer dispersion that can precisely control the interval of two substrates in manufacturing a liquid crystal display apparatus, and can make spacer particles firmly fixed to the surface of a substrate and a spacer dispersion that can precisely dispose spacer particles at a predetermined position on a substrate, a method for producing a liquid crystal display apparatus; and a liquid crystal display apparatus. | 02-05-2009 |
20090104380 | Production method of liquid crystal display unit and spacer particle dispersion liquid - It is an object of the invention to provide a method of producing a liquid crystal display device which comprises steps of depositing droplets of a spacer particle dispersion at prescribed positions on a substrate by ejecting the spacer particle dispersion with an ink-jet apparatus, then drying the droplets, and thereby arranging the spacer particles on the substrate, which may arrange the spacer particles precisely at prescribed positions, and a spacer particle dispersion preferably usable for the method of producing a liquid crystal display device. | 04-23-2009 |
Takeshi Wakiya, Tsukuba-City JP
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20150225500 | COLORED PARTICLE FOR ELECTROWETTING DISPLAY, METHOD FOR PRODUCING COLORED PARTICLE FOR ELECTROWETTING DISPLAY, INK FOR ELECTROWETTING DISPLAY, AND ELECTROWETTING DISPLAY - Provided is a colored particle used for an electrowetting display that is capable of enhancing the dispersibility in an ink for an electrowetting display. In the colored particle for an electrowetting display according to the present invention, a surface of the particle is formed from a compound containing only a carbon atom and a hydrogen atom as constituent atoms or a surface of the particle is formed from a compound in which the total amount of a carbon atom, a hydrogen atom, an oxygen atom, a nitrogen atom, and a sulfur atom is 95% by mass or more relative to 100% by mass of total of constituent atoms, and the mass ratio of the amount of the carbon atom to the total amount of the oxygen atom, the nitrogen atom, and the sulfur atom is 5 or more. | 08-13-2015 |
Tsutomu Wakiya US
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20150247473 | COOLING STRUCTURE FOR CYLINDER HEAD - A cooling structure for a cylinder head, wherein the cylinder head has formed therein an exhaust manifold having branch sections and also having a collecting section to which the branch sections connect; a first water jacket and a second water jacket, which cover the exhaust manifold; connection passages which supply cooling water in the second water jacket to the first water jacket; and a cooling water outlet which connects the first water jacket to the outside. The connection passages include the first connection passage which is closest to the collecting section, and the second connection passage which is located at the downstream end of each of the water jackets. The flow passage cross-sectional area of the second connection passage is set to be less than the flow passage cross-sectional area of the first connection passage. | 09-03-2015 |
Tsutomu Wakiya, Toyota-Shi JP
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20140076262 | CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A cylinder head ( | 03-20-2014 |
20150159596 | BLOWBY GAS VENTILATION SYSTEM FOR SUPERCHARGER-EQUIPPED INTERNAL COMBUSTION ENGINE - A blowby gas ventilation system for a supercharger-equipped internal combustion engine, which discharges blowby gas from a crankcase into intake air, includes a positive crankcase ventilation passage through which the blowby gas is delivered from the crankcase to an intake passage. The positive crankcase ventilation passage branches, in an intermediate location in the positive crankcase ventilation passage, into a first path that is used during natural aspiration of the internal combustion engine and a second path that is used during supercharging of the internal combustion engine, and a part of the positive crankcase ventilation passage, which includes a branching portion between the first path and the second path, is formed integrally with a cylinder head of the internal combustion engine. | 06-11-2015 |
20150247473 | COOLING STRUCTURE FOR CYLINDER HEAD - A cooling structure for a cylinder head, wherein the cylinder head has formed therein an exhaust manifold having branch sections and also having a collecting section to which the branch sections connect; a first water jacket and a second water jacket, which cover the exhaust manifold; connection passages which supply cooling water in the second water jacket to the first water jacket; and a cooling water outlet which connects the first water jacket to the outside. The connection passages include the first connection passage which is closest to the collecting section, and the second connection passage which is located at the downstream end of each of the water jackets. The flow passage cross-sectional area of the second connection passage is set to be less than the flow passage cross-sectional area of the first connection passage. | 09-03-2015 |