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| Number | Title | Issue Date |
| 8088686 | Method of remedying deterioration of insulating film The present invention provides a method of remedying deterioration of an insulating film which, during the remedial treatment of an insulating film deteriorated by plasma treatment, does not leave residual remedial agent on the wiring material such as the copper wir... | 01/03/2012 |
| 8071392 | Mass spectrometric analysis of proteins using stable isotopes of pyrylium derivates as labels The present invention provides a protein analysis method using a combination of two or more kinds of stable isotopes of a compound represented by the formula (I): wherein R1, R2 and R3 are t... | 12/06/2011 |
| 8071015 | Process for producing porous metal body Disclosed is a process of producing a porous metal body containing a metal component which is likely to be oxidized, by which process the amounts of residual carbon and residual oxygen therein are decreased, and by which the performance of the product porous body ca... | 12/06/2011 |
| 8062406 | Process for producing metallic ultrafine powder A process for producing metallic ultra-fine powder, which can use a raw material which is spread over a wide range, and control freely the grain size of the metallic powder to be produced, at low cost and high safety. The process for producing the metallic ultra fin... | 11/22/2011 |
| 8034738 | Process for producing catalyst body for production of brush-shaped carbon nanostructure It is intended to highly efficiently produce a high-density brush-shaped carbon nanostructure useful in the production of CNT assembly, such as rope-shaped CNTs, and provide a catalyst body for production of brush-shaped carbon nanostructure that enables the product... | 10/11/2011 |
| 7993431 | Gas purifier apparatus and method for gas purification A gas purifier of the present invention includes a purifier in which a gas-purifying agent is packed, wherein a gas is fed into the purifier, and impurities in the gas are removed by a thermal swing adsorption method, in which an amount A of the gas-purifying agent ... | 08/09/2011 |
| 7957003 | Nitrogen analyzing apparatus The present invention provides a nitrogen analyzing apparatus comprising: a nitrogen concentration measuring device configured to measure the concentration of an nitrogen impurities in a mixed gas including argon and oxygen as main... | 06/07/2011 |
| 7931736 | Pre-purification unit of cryogenic air separation unit, hydrocarbon adsorbent, and method of pre-treating feed air A hydrocarbon adsorbent that includes a zeolite with either a H-FER structure or a MOR structure in which the pore diameter has been adjusted by ion exchange. A propane adsorbent that includes a zeolite with a MFI structure. A hydrocarbon removal unit that includes ... | 04/26/2011 |
| 7922875 | Method and apparatus for enrichment of heavy oxygen isotopes A method of enriching a heavy oxygen isotope by distillation of the present invention includes: a first distillation step of feeding oxygen and ozone generated by an ozonizer 12 into a distillation column 13 filled with a diluent gas, and separating th... | 04/12/2011 |
| 7922872 | Distillation apparatus A distillation apparatus of the present invention includes a distillation column group in which a plurality of distillation columns including a condenser and a reboiler is connected in the form of a cascade; a gas-feeding line which feeds gas from the distillation c... | 04/12/2011 |
| 7915560 | TIG welding equipment and TIG welding methods The TIG welding methods of the present invention include generating an electric arc between an electrode and an object to weld the object, wherein a first shielding gas including an inert gas flows toward the welded object surrounding the electrode, a second shieldi... | 03/29/2011 |
| 7893377 | Method for concentrating oxygen isotope A method of concentrating the stable oxygen isotopes of 17O and 18O by irradiating ozone with light, selectively dissociating an isotopologue of ozone containing an oxygen isotope in its molecule into oxygen, followed by dissociating the ozone ... | 02/22/2011 |
| 7828939 | Method for concentrating heavy nitrogen isotope A method for concentrating effectively the heavy nitrogen isotope 15N to 50 atom % or more in which 14N15N and/or 15N2, which are molecules containing a heavy nitrogen isotope of 15N, are concentrated... | 11/09/2010 |
| 7824474 | Molded Cu-ZSM5 zeolite adsorbent, method of activating the same, temperature swing adsorption apparatus, and method of purifying gas A method of activating a molded Cu-ZSM5 zeolite adsorbent of the present invention includes: oxidizing a molded product of Cu-ZSM5 zeolite in the flow of air or a gas having an equivalent oxidizability to the air at a temperature of 250° C. to 550° C.; and then he... | 11/02/2010 |
| 7824472 | Method and apparatus for pressure swing adsorption In order to provide a new PSA method which can concentrate simultaneously a strong adsorbate such as xenon and a weak adsorbate such as nitrogen in a high concentration with a high recovery percentage when highly valuable gas such as xenon and krypton contained in t... | 11/02/2010 |
| 7790228 | Method for high-efficiency synthesis of carbon nanostructure Developed is high-efficiency synthesis method and apparatus capable of promoting the initial growth of carbon nanostructure by eliminating the initial fluctuation time and rising time in raw gas flow quantity. A high-efficiency synthesis method of carbon nano... | 09/07/2010 |
| 7787984 | Sphering apparatus and operating method thereof A sphering apparatus includes a sphering furnace on a body of which a plurality of adhesion preventing air-introducing holes is formed and at a lower position of which a carrier air-introducing hole and a carrier air-withdrawing hole are formed; an air blower introd... | 08/31/2010 |
| 7776134 | Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal A molten metal treatment consisting of a liquid mixture in which fluorinated ketone is dissolved in liquid carbon dioxide at 0.01 to 10 wt % is put in a container, and the molten metal treatment is vaporized, and is fed as a cover gas to be contacted with the surfac... | 08/17/2010 |
| 7776132 | Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal A molten metal treatment consisting of a liquid mixture in which fluorinated ketone is dissolved in liquid carbon dioxide at 0.01 to 10 wt % is put in a container, and the molten metal treatment is vaporized, and is fed as a cover gas to be contacted with the surfac... | 08/17/2010 |
| 7749306 | Method of restarting feed air purifier A method of restarting a TSA apparatus includes, in the case where the TSA apparatus was stopped when or after when a temperature of a purge gas which flows out from a first adsorption column (5a) during a regeneration process became a peak temperature... | 07/06/2010 |
| 7718915 | Shielding gases for MAG-welding of galvanized steel sheets and welding method using the same A shielding gas for MAG welding wherein a carbon steel solid wire is used for lap fillet welding of a galvanized steel sheet; wherein the shielding gas is a mixed gas composition consisting of 8 to 15% by volume of oxygen, 20 to 30% by volume of carbon dioxide, and ... | 05/18/2010 |
| 7651668 | Production method and production device for carbon nano structure A material gas and a catalyst are introduced through a material supplying tube path and a catalyst supplying tube path together with a carrier gas into a reactor equipped on its outer periphery with a heat applicator for thermally decomposing the material gas. The r... | 01/26/2010 |
| 7594955 | Process for recovering rare gases using gas-recovering container A process for recovering rare gases using a gas-recovering container and, more particularly, a process of recovering a rare gas in a rare gas-containing exhaust gas discharged from an equipment using said rare gas, and introducing the recovered rare gas-containing e... | 09/29/2009 |
| 7550027 | Method for supplying cover gas In order to provide a method for supplying a cover gas which has sufficient preventive effects of oxidation-combustion and prevents cost-increase by containing a necessary and sufficient amount of fluoroketone in the cover gas which is supplied in a melting furnace ... | 06/23/2009 |
| 7406987 | Apparatus and method for filling fuel A fuel filling apparatus is provided. The fuel filling apparatus comprises an overfilling protective valve arranged in a fuel gas supply path for supplying a fuel gas to an automobile. The overfilling protective valve further comprises a fuel gas path, a valve unit ... | 08/05/2008 |
| 7393447 | Apparatus, method for enrichment of the heavy isotopes of oxygen and production method for heavy oxygen water An apparatus comprising first to third columns, wherein the outlet of a first column reboiler and the inlet of a second column condenser are connected by a first introduction conduit, and the outlet of a second distillation column reboiler and the inlet of a third c... | 07/01/2008 |
| 7375247 | Method for producing deuterated methyl methacrylate A method for producing MMA-d8 which includes a step of exchanging D in hydroxyl group of methanol-d4 represented by the formula: CD3OD with H to prepare the methanol-d3 represented by the formula CD3OH and simul... | 05/20/2008 |
| 7300497 | Gas separating method A gas separation method is provided in which, when separating a first component and a second component from a mixed gas containing a plurality of components by using a pressure swing adsorption method, these components can be efficiently recovered and cost reduction... | 11/27/2007 |
| 7297237 | Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1 By using a dephlegmator which conducts distillation concurrently with heat exchange within at least one distillation column, or a portion of one distillation column, of a distillation cascade, the quantity of liquid holdup within the distillation apparatus is reduce... | 11/20/2007 |
| 7258725 | Gas supplying method and system Gas supplying method and system in which effective component gas in exhaust gas can be separated and purified efficiently to be resupplied regardless of variation in the flow rate or composition of the exhaust gas and consumed gas can be replenished efficiently. In ... | 08/21/2007 |
| 7208695 | Welding shield gas and welding method A welding shield gas comprising an inert gas and nitrogen gas, where the concentration of the nitrogen gas is 1 to 95 vol %; or comprising an inert gas and a helium gas, where the concentration of the helium gas is 35 to 95 vol %; or comprising an inert gas, nitroge... | 04/24/2007 |
| 7038036 | Oligonucleotides labeled with stable isotopes and a method for detecting the same Antisense oligonucleotide sequences which enable the measurement of the distribution and structure of antisense oligonucleotide drugs in the body, with lapse of time, and a method of detecting these sequences are provided. The antisense chains have a natural or non-... | 05/02/2006 |
| 7033843 | Semiconductor manufacturing method and semiconductor manufacturing apparatus A semiconductor manufacturing method whereby reactive gas processing such as selective epitaxial growth can be carried out with high precision by correctly adjusting conditions during processing is performed by a semiconductor manufacturing apparatus which can restr... | 04/25/2006 |
| 6955711 | Method and system for separating gas Component contained in a gas mixture can be separated based on a PSA method and recovered with high purities at the same time, the system is simple, the system cost is low, and the operation is easy and may be used for separating oxygen and nitrogen from air or for ... | 10/18/2005 |
| 6924452 | Welding device and method A welding device and a welding method for butt welding two pipes to be welded are provided. The welding device comprises a welding device body, having an electrode unit with a welding electrode and a fixing clamp for holding the pipes to be welded; and electrode pos... | 08/02/2005 |
| 6923844 | Gas separation method and device A gas separation method and apparatus that recovers efficiently principal gas components from a feed gas that includes a plurality of components, and enables supplying the product gases continuously at a stable flow rate and component concentration. A first separati... | 08/02/2005 |
| 6916358 | Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen An adsorbent for separating nitrogen from a mixed gas of oxygen and nitrogen is MSC wherein an oxygen and nitrogen separation ratio α and a ratio (t95/t50) of a time t50 required for adsorbing 50% of the oxygen equilibrium adsorptio... | 07/12/2005 |
| 6910602 | Container valve A container valve, attached to a gas container, wherein the container valve has a pressure reducing function, and is inside a valve block in the gas container. In the valve block, the container valve comprises a gas filling passage in which a filling valve is instal... | 06/28/2005 |
| 6904944 | Fuel filling device and fuel leakage detection method A fuel filling device is provided with a fuel supply adjusting section which adjusts the amount of fuel supplied, a fuel feed line which feeds fuel from a fuel supply adjusting section to a vehicle W, a nozzle removably coupled to vehicle W that supplies fuel from f... | 06/14/2005 |
| 6905665 | Method for purifying carbon monoxide A method for purifying carbon monoxide, which can efficiently remove metal carbonyl in carbon monoxide while suppressing the production of carbon dioxide, is provided by selecting a metal oxide having proper oxidizability as a reactant with metal carbonyl. Carbon mo... | 06/14/2005 |
