Seunghan
Seunghan Kim, Seoul KR
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20150326289 | METHOD AND APPARATUS FOR RECEIVING DOWNLINK WIRELESS SIGNAL - A method is provided for transmitting a downlink signal by a base station with an antenna array including a plurality of antenna elements in a wireless communication system. The downlink signal is precoded using a precoding matrix for the antenna array. The precoded downlink signal is transmitted to a user equipment (UE). Each element of the precoding matrix is expressed by | 11-12-2015 |
Seunghan Lee, Uiwang KR
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20160059841 | CONTROL SYSTEM OF HYBRID VEHICLE AND METHOD THEREOF - A control system of a hybrid vehicle includes: an engine that generates power by burning fuel; a driving motor that assists the power from the engine by generating power using electricity supplied from a battery; an integrated starter-generator that starts the engine and charges the battery by operating selectively as a power generator; an atmospheric sensor that measures the atmospheric pressure; a temperature sensor that measures the temperature of intake air flowing into the engine; and a controller that calculates a control factor, using the atmospheric pressure measured by the atmospheric sensor and the temperature of intake air measured by the temperature sensor, and adjusts a State of Charge (SOC) charge band between an SOC where charging the battery is started and an SOC where a hybrid vehicle runs in a charge mode, in accordance with the magnitude of the control mode. | 03-03-2016 |
Seunghan Oh, Jeonju KR
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20140335145 | BIOMATERIALS AND IMPLANTS FOR ENHANCED CARTILAGE FORMATION, AND METHODS FOR MAKING AND USING THEM - The invention provides products of manufacture, e.g., biomaterials and implants, for cartilage maintenance and/or formation in-vivo, in-vitro, and ex-vivo, using nanotechnology, e.g., using nanotube, nanowire, nanopillar and/or nanodepots configured on surface structures of the products of manufacture. | 11-13-2014 |
Seunghan Oh, Jeon Ju KR
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20110085968 | ARTICLES COMPRISING NANO-MATERIALS FOR GEOMETRY-GUIDED STEM CELL DIFFERENTIATION AND ENHANCED BONE GROWTH - The present invention provides articles of manufacture comprising biocompatible nanostructures comprising significantly increased surface area for, e.g., organ, tissue and/or cell growth, e.g., for bone, tooth, kidney or liver growth, and uses thereof, e.g., for in vitro testing of drugs, chemicals or toxins, or as in vivo implants, including their use in making and using artificial tissues and organs, and related, diagnostic, screening, research and development and therapeutic uses, e.g., as drug delivery devices. The present invention provides biocompatible nanostructures with significantly increased surface area, such as with nanotube and nanopore array on the surface of metallic, ceramic, or polymer materials for enhanced cell and bone growth, for in vitro and in vivo testing, cleansing reaction, implants and therapeutics. The present invention provides optically transparent or translucent cell-culturing substrates. The present invention provides biocompatible and cell-growth-enhancing culture substrates comprising elastically compliant protruding nanostructure substrates coated with Ti, TiO | 04-14-2011 |
Seunghan Oh, Jeonbuk KR
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20130344600 | COMPOSITIONS COMPRISING NANOSTRUCTURES FOR CELL, TISSUE AND ARTIFICIAL ORGAN GROWTH, AND METHODS FOR MAKING AND USING SAME - The invention provides articles of manufacture comprising biocompatible nanostructures comprising nanotubes and nanopores for, e.g., organ, tissue and/or cell growth, e.g., for bone, kidney or liver growth, and uses thereof, e.g., for in vitro testing, in vivo implants, including their use in making and using artificial organs, and related therapeutics. The invention provides lock-in nanostructures comprising a plurality of nanopores or nanotubes, wherein the nanopore or nanotube entrance has a smaller diameter or size than the rest (the interior) of the nanopore or nanotube. The invention also provides dual structured biomaterial comprising micro- or macro-pores and nanopores. The invention provides biomaterials having a surface comprising a plurality of enlarged diameter nanopores and/or nanotubes. | 12-26-2013 |
Seunghan Park, Seoul KR
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20120130459 | Neural Device Having Via-Hole Connection and Using at Least One Nano-Wire - Provided is a neural device including at least one nano-wire. The neural device includes a nano-wire formed on a base formed on a first surface of a substrate, and an electrode pad formed on a second surface different from the first surface of the substrate and configured to output an electrical signal gained from a neural fiber through the nano-wire or apply a signal for an electric stimulus to the nano-wire. Therefore, it is possible to prevent the nano-wire from becoming embedded in an encapsulation and maximize a contact between the nano-wire and a nerve. | 05-24-2012 |
Seunghan Ryu, Gyeonggi-Do KR
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20160046851 | Thermally Conductive Ceramic-Polymer Composite and Method of Preparing the Same - Provided are a thermally conductive ceramic-polymer composite in which thermoplastic polymers form a matrix, and planar fragments of thermally conductive ceramic or thermally conductive ceramic powder is uniformly dispersed on a grain boundary between thermoplastic polymer particles, thereby forming a thermal pathway, wherein the thermoplastic polymer particles are formed in a faceted shape, and the average size of the planar fragments of thermally conductive ceramic or thermally conductive ceramic powder is smaller than 1/10 of that of the thermoplastic polymer particles, and a method of preparing the same. Accordingly, since dispersion and interfacial affinity of a thermally conductive ceramic filler are maximized, excellent electrical insulation and excellent thermal conductivity can be exhibited even with a small content of the thermally conductive ceramic filler. | 02-18-2016 |
Seunghan Shin, Seoul KR
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20150031904 | Method for Producing 5-Hydroxymethyl-2-Furfural from Maize Syrup Containing Fructose - Provided herein is a method for producing 5-hydroxymethyl-2-furfural (HMF) from maize syrup containing fructose including a conversion step in which a reaction product containing the 5-hydroxymethyl-2-furfural is produced by mixing and heating the maize syrup, a dioxane solvent and a solid acid catalyst, thus providing an advantage that the solvent can be easily isolated and the isolated solvent can be reused because dioxane is used as the solvent, and an advantage that the catalyst can be easily isolated and the isolated catalyst can be easily reused because a nonuniform solid acid catalyst is used. | 01-29-2015 |