Yaita
Kensuke Yaita, Suwa-Gun JP
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20090251064 | Semiconductor device, electro-optical device, and electronic instrument - A semiconductor device includes a source circuit and a control circuit. The source circuit includes a plurality of operational amplifiers, a plurality of transmission gates, one end of each of the transmission gates being connected to a corresponding source line, and a buffer circuit that outputs a switch control signal. When the number of transmission gates that are turned ON/OFF using the buffer circuit is referred to as n, a gate width and a gate length of a MOSFET of each of the transmission gates are respectively referred to as Wb and Lb, a gate width and a gate length of a MOSFET of the buffer circuit are respectively referred to as Wa and La, and K indicates a constant, the relationship n×Wb×Lb≧K×(Wa/La) is satisfied. | 10-08-2009 |
Ryohei Yaita, Kitakyushu-Shi JP
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20110240767 | WATER SPOUTING DEVICE - The present invention provides a water spouting device which enables air bubble entrained water with an increased entrainment rate of air bubbles to be discharged at a low flow rate stage even though the user adjusts the flow rate based on the same feeling as that for a conventional water spouting device, the present water spouting device further enabling, at a high flow rate stage, prevention of discharge of air bubble entrained water with such a total amount as makes the user feel that the resultant amount of water significantly exceeds that intended by the user. A spout cap BC serving as the present water spouting device includes a pressure reducing portion | 10-06-2011 |
Tsuyoshi Yaita, Hyogo JP
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20090320646 | METHOD FOR SELECTIVE SEPARATION OF TRIVALENT AND TETRAVALENT ACTINOIDS FROM TRIVALENT LANTHANOIDS USING HYBRID DONOR TYPE EXTRACTANT HAVING FUNCTIONAL GROUP CARRYING ACTIVE OXYGEN AND NITROGEN ATOMS - A method for separating and recovering trivalent and tetravalent actinoids in a simple and less costly manner without using an organophosphorus compound is provided. This method selectively separates and recovers the tetravalent actinoid plutonium Pu (IV) and the trivalent actinoids americium Am (III) and curium Cm (III) from trivalent lanthanoids Ln (III), etc. with the use of an extractant having a functional group with neutral multidentate ligand activity which is a hybrid donor type organic compound having both of donor atoms, i.e., an oxygen atom and a nitrogen atom. | 12-31-2009 |
Yumi Yaita, Tokyo JP
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20100154840 | SYSTEM AND METHOD FOR CHEMICAL DECONTAMINATION OF RADIOACTIVE MATERIAL - A system for chemically decontaminating radioactive material. | 06-24-2010 |
20100168497 | CHEMICAL DECONTAMINATION APPARATUS AND DECONTAMINATION METHOD THEREIN - A chemical decontamination apparatus of the present invention chemically dissolves radioactive substance-containing oxide films formed or adhering on the surface of a decontamination object by using ozone water to conduct decontamination. The chemical decontamination apparatus includes an ozone generating unit for generating ozone gas, an ozone supplying device for supplying the generated ozone gas to an ozone supplying unit in water, and a sintered metal element | 07-01-2010 |
20110211663 | RADIATION EXPOSURE REDUCTION METHOD - A radiation exposure reduction method includes the steps of: injecting iron into a coolant which flows from the reactor cooling system to the reactor core in a nuclear power plant; and ferritizing and fixing radionuclides or parent nuclides thereof, which are contained in the coolant, on the surface of a reactor core structure, wherein an iron citrate which is soluble organic iron, or iron oxalate or iron fumarate which has a particle diameter of 3 μm or less, is used as the iron to be injected into the coolant. | 09-01-2011 |
20120069949 | METHOD OF AND SYSTEM FOR SUPPRESSING DEPOSITION OF RADIOACTIVE SUBSTANCE - A radioactive substance is effectively suppressed by an oxide-film removal step of removing an oxide film on a metallic material surface with which a coolant containing the radioactive substance comes in contact, and a titanium-oxide deposition step of depositing a titanium oxide on the metallic material surface after the oxide film has been removed. | 03-22-2012 |
Yumi Yaita, Ota-Ku JP
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20130001096 | PROCESS FOR PRODUCING RARE METAL - According to one embodiment, a process for producing rare metals includes the steps of: recovering a first-residue solution through a primary target metal extracted by leaching a mineral resource; extracting a perrhenic acid ion contained in the first-residue solution with at least one of an anion exchange resin and a first-organic solvent; back extracting the perrhenic acid ion contained in the anion exchange resin or the first-organic solvent to a first-eluant; and electrolyzing the back extracted first-eluant to collect a rhenium at a cathode. | 01-03-2013 |