Sakai, Chiba
Ikunori Sakai, Chiba JP
Keisuke Sakai, Chiba JP
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20140361695 | LED LIGHTING DEVICE - The purpose of the invention is to obtain, with a simple circuit configuration, an LED illumination device having an LED column driven by a pulsating voltage, capable of lighting with little flicker, and also having lighting control capability. The LED illumination device ( | 12-11-2014 |
Kenichi Sakai, Chiba JP
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20090090270 | W/O emulsion ink for inkjet - A water-in-oil (W/O) emulsion ink which is suitable for use in inkjet printing and is low in viscosity and superior in storage stability is provided. The ink comprises an oil phase and a water phase emulsified in the oil phase using a nonionic surfactant, in which the water phase contains a salt of at least one metal selected from potassium or calcium. The metal salt is preferably a calcium salt, and particular preferably calcium chloride. The nonionic surfactant is preferably a polyglycerin fatty acid ester, and particularly preferably an esterification product of a polyglycerin and a hydroxy fatty acid. Preferably, the ink comprises 40-99 mass % of the oil phase and 60-1 mass % of the water phase, and contains a polyglycerin fatty acid ester in an amount of 0.5-40 mass % based on the total of the ink. | 04-09-2009 |
Minoru Sakai, Chiba JP
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20120292560 | METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE - A method of producing lithium iron phosphate includes adding iron particles containing 0.5 mass % or more of oxygen to an aqueous solution containing a phosphoric acid, a carboxylic acid and a lithium source, and causing components contained in the aqueous solution and the iron particles to react with each other under an oxidizing atmosphere and thereby form a reaction liquid; drying the reaction liquid to form a lithium iron phosphate precursor; and baking the lithium iron phosphate precursor under a non-oxidizing atmosphere to obtain the lithium iron phosphate. | 11-22-2012 |
Norifumi Sakai, Chiba JP
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20130251610 | METHOD FOR PRODUCING LITHIUM CARBONATE - The present invention relates to a method for producing lithium carbonate, which is important as a raw material of a lithium ion battery and the like, from brine resources. More specifically, the invention relates to a method for producing lithium carbonate, in which carbon dioxide gas obtained by calcining limestone is introduced, in the presence of ammonia, into a concentrated brine, which is prepared from a lithium-containing brine as a raw material through an evaporative concentrating step, a desulfurizing step and an electrodialysis step, thereby depositing lithium carbonate crystals, and the crystals thus deposited are recovered through solid-liquid separation. | 09-26-2013 |
Noriyuki Sakai, Chiba JP
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20140074337 | HYBRID WORK MACHINE AND METHOD OF CONTROLLING SAME - A hybrid work machine includes an engine, a motor generator connected to the engine, an electric energy storage unit configured to store electric power generated by the motor generator, and a control part configured to control driving of the motor generator. The control part is configured to control the driving of the motor generator so that an assist output of the motor generator increases, based on an external condition of the engine. | 03-13-2014 |
Shinsuke Sakai, Chiba JP
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20140206065 | Uracil-Requiring Moorella Bacteria and Transforming-Gene-Introduced Moorella Bacteria - The present invention provides uracil-requiring Moorella bacteria obtained by destroying a gene coding for orotidine-5-phosphate decarboxylase; and transforming-gene-introduced Moorella bacteria obtained by introducing a gene coding for orotidine-5-phosphate decarboxylase and a transforming-gene to a chromosome of the uracil-requiring Moorella bacteria. The present invention was accomplished by uracil-requiring Moorella bacteria, comprising an MTA-D-pF strain that is obtained by destroying a gene coding for orotidine-5-phosphate decarboxylase on a chromosome of Moorella bacteria. | 07-24-2014 |
20140206084 | Primer Set and Method for Homologous Recombination - The present invention provides a primer set used for transformation that imparts a uracil requiring property by deleting or destroying a gene coding for orotidine-5-phosphate decarboxylase in | 07-24-2014 |
Takaaki Sakai, Chiba JP
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20100025721 | OPTICAL SEMICONDUCTOR DEVICE MODULE HAVING LEAF SPRINGS WITH DIFFERENT RECTANGULARLY-SHAPED TERMINALS - In an optical semiconductor device module constructed by an optical semiconductor device having a light emitting portion on its top surface, a mounting substrate adapted to mount the optical semiconductor device thereon, and at least one conductive leaf spring adapted to fix the optical semiconductor device to the mounting substrate and supply power to the optical semiconductor device, the leaf spring is formed by a plurality of rectangularly-shaped terminals, and natural frequencies of at least two of the rectangularly-shaped terminals are different from each other. | 02-04-2010 |
20100044745 | OPTICAL SEMICONDUCTOR DEVICE MODULE WITH POWER SUPPLY THROUGH UNEVEN CONTACTS - In an optical semiconductor device module constructed by an optical semiconductor device having a light emitting portion on its top surface, a mounting substrate adapted to mount the optical semiconductor device thereon, at least one wiring pattern layer formed on a front surface of the mounting substrate, and at least one power supplying portion in contact with the wiring pattern layer, at least one of the power supplying portion and the wiring pattern layer is uneven. | 02-25-2010 |
Tatsuhiko Sakai, Chiba JP
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20090107585 | Method for Production and Apparatus for Production of Grain-Oriented Electrical Steel Sheet Excellent in Magnetic Properties - Technology scanning and irradiating grain-oriented electrical steel sheet moving in a rolling direction at a speed Vl with an elliptical spot formed by a laser beam in the width direction at Vc to improve the core loss of the grain-oriented electrical steel sheet, which adjusts the angle θs formed by the scan direction of the elliptical beam and the long axis of the ellipse based on the equation θs=tan | 04-30-2009 |
20090114316 | Method of Production of Grain-Oriented Electrical Steel Sheet - The present invention provides a method of production of grain-oriented electrical steel sheet greatly reducing the Watt loss of the grain-oriented electrical steel sheet and making the magnetostriction as small as possible, that is, a method of production of grain-oriented electrical steel sheet with small magnetostriction by improving the magnetic properties by irradiation by a finely focused laser beam comprising using a power modulated laser controlled in maximum power density to 1×10 | 05-07-2009 |
20090145526 | Low core loss grain-oriented electrical steel sheet and method for producing the same - An object of the present invention is to provide a grain-oriented electrical steel sheet with low core loss and low magnetostriction and a method for producing the same. The grain-oriented electrical steel sheet is excellent in reduced core loss and magnetostriction while under a high flux density of 1.9 T, comprises a refined magnetic domain comprising a laser irradiated portion which has melted and resolidified to form a solidified layer, wherein the thickness of the solidified layer is 4 μm or less. The grain-oriented electrical steel sheet may further comprise a laser irradiated portion where a surface roughness Rz is small and a cross section viewed from a transverse direction has a concave portion having a width of 200 μm or less and a depth of 10 μm or less for further improvement. | 06-11-2009 |
Yuichi Sakai, Chiba JP
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20090139446 | PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON INGOT - Provided is a process in which a polycrystalline silicon ingot improved in life time characteristics, which are correlated with the conversion efficiency of solar wafers, is inexpensively produced by the ordinary-pressure hydrogen-atmosphere melting method. In the process, the generation of oxygen and impurities in the silicon melt is inhibited and light-element impurities are removed through reaction or crystallization. Fine crystal grains can be grown at a high rate, and a high-purity polycrystalline silicon ingot having a crystal structure reduced in crystal defect can be grown. | 06-04-2009 |