Seo Hyun
Seo Hyun Jeon, Gyeonggi-Do KR
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20150148951 | METHOD AND CONTROL APPARATUS FOR COOPERATIVE CLEANING USING MULTIPLE ROBOTS - Provided are a method and a control apparatus for cooperative cleaning using multiple cleaning robots, including monitoring an overall cleaning condition of an extensive space and automatically assigning multiple cleaning robots to a space required to be cleaned, and when a cleaning area is fixed based on a cooperative cleaning method, data on an amount of garbage generated from the cleaning area or a cleaning condition of the cleaning area may be accumulated to facilitate easier management of the cleaning. | 05-28-2015 |
Seo Hyun Kim, Asan-Si KR
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20140076432 | GAS INJECTOR AND INJECTOR PIPE THEREOF - A gas injector which can inject at a uniform velocity and an injector pipe used for the same. The gas injector includes a body, a gas flow path formed inside the body, the gas flow path extending from one end to the other end in a lengthwise direction of the body, a blade formed inside the body and connected to the gas flow path so as to inject gas, and an injector pipe inserted into the gas flow path. The injector pipe receives the gas from the gas supply, and distributes the gas through a plurality of holes to the gas flow path. The plurality of holes of the injector pipe include a plurality of first holes and a plurality of second holes which are formed along two parallel lines extending in the lengthwise direction of the injector pipe, the first holes alternating with the second holes. | 03-20-2014 |
Seo Hyun Lee, Seoul KR
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20150017770 | 3-D NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A three dimensional (3-D) non-volatile memory device includes a pipe gate including a first pipe gate, a second pipe gate formed on the first pipe gate, and a first interlayer insulating layer interposed between the first pipe gate and the second pipe gate, word lines alternately stacked with second interlayer insulating layers on the pipe gate, a pipe channel buried within the pipe gate, and memory cell channels coupled to the pipe channel and arranged to pass through the word lines and the second interlayer insulating layers. | 01-15-2015 |
20150054052 | 3-D NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A three dimensional (3-D) non-volatile memory device includes a pipe gate including a first pipe gate, a second pipe gate formed on the first pipe gate, and a first interlayer insulating layer interposed between the first pipe gate and the second pipe gate, word lines alternately stacked with second interlayer insulating layers on the pipe gate, a pipe channel buried within the pipe gate, and memory cell channels coupled to the pipe channel and arranged to pass through the word lines and the second interlayer insulating layers. | 02-26-2015 |
Seo Hyun Moon, Cheongju-Si KR
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20140203451 | ELECTRONIC DEVICE PACKAGE AND PACKAGING SUBSTRATE FOR THE SAME - The present application provides an electronic device package. The package includes a packaging substrate having first and second surfaces opposing one another. First and second electrode patterns are formed on the first surface and first and second external terminals connected to the first and second electrode patterns. The second electrode pattern is electrically insulated from the first electrode pattern and surrounds the first electrode pattern An electronic device is mounted on the first surface of the packaging substrate and includes first and second electrodes disposed on a surface thereof facing the packaging substrate. The first and second electrodes are positioned on the first and second electrode patterns, respectively. | 07-24-2014 |
Seo Hyun Shin, Chuncheon-Si KR
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20150315219 | NOVEL CYCLIC PHOSPHINATE DERIVATIVES AND METHOD OF PREPARING THE SAME - Provided are novel cyclic phosphinate derivatives and a method of preparing the same, and more particularly, cyclic phosphinate derivatives including benzoxaphosphole oxide derivatives and benzoxaphosphorin oxide derivatives, and a method of preparing the same. The cyclic phosphinate derivative according to the present invention may have pharmacological and physiological activities, be used as the basic skeleton of the natural material, and be used in development of a new drug, and synthesis of various medicines. In addition, with the method of preparing a cyclic phosphinate derivative according to the present invention, various cyclic phosphinate derivatives may be prepared with high yield through a simple synthetic process by performing an intramolecular carbon-oxygen coupling reaction on the phosphinic acid derivative in the presence of a palladium (Pd) catalyst, an oxidant, and a base. | 11-05-2015 |
Seo Hyun Yoon, Seoul KR
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20120264772 | ANTIHYPERTENSIVE PHARMACEUTICAL COMPOSITION - Provided is an antihypertensive pharmaceutical composition containing Fimasartan, a pharmaceutically acceptable salt thereof, a solvate thereof or a hydrate thereof as an angiotensin II receptor blocker, and Amlodipine, an isomer thereof, a pharmaceutically acceptable salt thereof, a solvate thereof or a hydrate thereof as a calcium channel blocker. | 10-18-2012 |
20140142007 | CARBON LAYER DERIVED FROM CARBIDE CERAMICS AND PREPARATION METHOD THEREOF - Provided is a carbon layer derived from carbide ceramics, wherein metal or non-metal atoms are extracted selectively from the surface of carbide ceramics to form voids, which, in turn, are filled with carbon synthesized by a carbon compound, thereby providing improved roughness and hardness, as well as to a method for preparing the same. | 05-22-2014 |