Hee Cheol
Hee Cheol Cho, Columbia, MD US
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20090291068 | Modulation of bio-electrical rhythms via a novel engineering approach - The present invention relates to novel compositions and methods to induce, and/or modulate bio-electrical rhythms (e.g. in cardiac, neuronal and pancreatic cells) by fine-tuning the activity of HCN-encoded pacemaker channels via a novel protein- and genetic-engineering approach to augment or attenuate the associated physiological responses (e.g. heart beat, neuronal firing, insulin secretion, etc) for achieving various therapeutic purposes (e.g. sick sinus syndrome, epilepsy, neuropathic pain, diabetes, etc). | 11-26-2009 |
Hee Cheol Cho, Hanover, MD US
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20090233990 | GENERATION OF BIOLOGICAL PACEMAKER ACTIVITY - Compositions and methods for enhancing hyperpolarization-activated cation inward current and disrupting inwardly rectifying potassium current of cells are described. The compositions and methods may be employed to cause the cells to become biological pacemaker cells, e.g. to become more like SA node cells, and to undergo spontaneous oscillating action potentials. | 09-17-2009 |
20090233991 | GENERATION OF BIOLOGICAL PACEMAKER ACTIVITY - Compositions and methods for enhancing hyperpolarization-activated cation inward current and disrupting inwardly rectifying potassium current of cells are described. The compositions and methods may be employed to cause the cells to become biological pacemaker cells, e.g. to become more like SA node cells, and to undergo spontaneous oscillating action potentials. | 09-17-2009 |
Hee Cheol Kim, Gyeonggi-Do KR
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20090318375 | Crystalline Azithromycin L-Malate Monohydrate and Pharmaceutical Composition Containing Same - This invention provides a crystalline azithromycin L-malate monohydrate for treating various microbial infections, which has high thermostability, solubility and non-hygroscopicity, a method for preparing same, and a pharmaceutical composition containing same. | 12-24-2009 |
Hee Cheol Kim, Yongin-Si KR
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20090318701 | METHOD PREPARATION CLOPIDOGREL AND INTERMEDIATES USED THEREIN - Optically pure clopidogrel can be prepared in a high yield by optically resolving a racemic form of the compound of formula (II) using an optically active amine to form the optically active form of the compound of formula (III) or its acid-addition salt; and methylating the compound of formula (III) or its acid-addition salt. | 12-24-2009 |
20130274268 | NEW BICYCLIC COMPOUND FOR MODULATING G PROTEIN-COUPLED RECEPTORS - The present invention relates to a bicyclic compound for modulating G protein-coupled receptors. The inventive compound provides preventing or treating a disease associated with the modulation of G protein-coupled receptors, particularly GPR119 G protein-coupled receptors. | 10-17-2013 |
Hee Cheol Kim, Cheonan-Si KR
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20150243535 | CLUSTER TYPE SEMICONDUCTOR PROCESSING APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME - A cluster type semiconductor processing apparatus and a method for manufacturing a semiconductor device using the same are provided. The cluster type semiconductor processing apparatus includes a polyhedral transfer module to transfer a wafer, a first process module communicating with the transfer module, a degassing process of removing fumes from a surface of the wafer being performed in the first process module, a second process module communicating with the transfer module, a plasma cleaning process of cleaning the surface of the wafer being performed in the second process module, a standby module communicating with the transfer module, the wafer having undergone the degassing process and the plasma cleaning process being maintained in the standby module for a certain time, and a third process module communicating with the transfer module, a metal sputtering process of depositing a metal film on the wafer being performed in the third process module. | 08-27-2015 |
Hee Cheol Kim, Seoul KR
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20100026944 | LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of −10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (dΔn) of 0.24-0.27 μm, the phase compensation film has a phase compensation function of λ/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line. | 02-04-2010 |
20100033656 | LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of −10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (dΔn) of 0.24-0.27 μm, the phase compensation film has a phase compensation function of λ/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line. | 02-11-2010 |
20130272692 | PHOTOGRAPHING APPARATUS FOR RECOGNIZING TYPE OF EXTERNAL DEVICE, METHOD OF CONTROLLING THE PHOTOGRAPHING APPARATUS, AND THE EXTERNAL DEVICE - A photographing apparatus is provided that includes: a connector including a first terminal that is electrically connected to an external device; a first resistor that is electrically connected to the first terminal via a first node; and an external device recognizing unit that recognizes a type of the external device according to a voltage level of the first node, wherein a voltage level of the first node is determined according to a voltage distribution of the first resistor and a second resistor included in the external device. | 10-17-2013 |
Hee Cheol Lee, Yeosu-Si KR
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20130168607 | Artificial Marble Having Natural Textures and Luminescent Patterns and Method of Preparing the Same - An artificial marble includes unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (C). An artificial marble according to a second embodiment includes about 70 to about 95% by weight of a non-luminescent base material (I) comprising unsaturated polyester resin (A), compound including silica (B), and organic/inorganic pigment (C) and about 5 to about 30% by weight of a luminescent amorphous pattern part (II) comprising unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (D). An artificial marble according to a third embodiment includes unsaturated polyester resin (A), compound including silica (B), and amorphous luminescent chip (C). | 07-04-2013 |
Hee-Cheol Choi, Suwon-Si KR
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20090128231 | CIRCUITS FOR GENERATING REFERENCE CURRENT AND BIAS VOLTAGES, AND BIAS CIRCUIT USING THE SAME - A circuit for generating a reference current comprises: a first current mirror configured to current-mirror based on a second current, so as to generate a first current that is substantially in inverse proportion to a variation of a power supply voltage; a current compensation unit configured to remove a variation of the first current corresponding to the variation of the power supply voltage to form a compensated first current; a second current mirror configured to generate the second current based on the compensated first current, and configured to provide the second current to the first current mirror; and a current output unit configured to output the second current as the reference current. | 05-21-2009 |
Hee-Cheol Choi, Seoul KR
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20140078360 | IMAGERS WITH IMPROVED ANALOG-TO-DIGITAL CONVERTERS - An imager may include analog-to-digital converter circuitry that converts an analog input voltage to a digital output value by generating a number of samples of the analog input voltage. The analog input voltage may be formed from the difference between a pixel signal and a reference signal received at first and second inputs of the analog-to-digital converter circuitry. Processing circuitry may control the number of samples generated from the analog input voltage based on a desired gain level. The analog-to-digital converter circuitry may include a counter that counts to a maximum value. Ramp generation circuitry may generate a ramp signal based on the counter value and apply the ramp signal to the pixel signal at the first input of the analog-to-digital converter circuitry. The total time for generating samples for each different desired gain level may be constant while generating the ramp signal with a slope having a constant magnitude. | 03-20-2014 |
Hee-Cheol Seo, Seoul KR
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20110010178 | SYSTEM AND METHOD FOR TRANSFORMING VERNACULAR PRONUNCIATION - Provided is a system and method for transforming vernacular pronunciation with respect to Hanja using a statistical method. In a system for transforming vernacular pronunciation, a vernacular pronunciation extracting unit extracts a vernacular pronunciation with respect to a Hanja character string, a statistical data determining unit determines a statistical data with respect to the Hanja character string by using statistical data of features related to a Hanja-vernacular pronunciation transformation, and a vernacular pronunciation transforming unit transforms the Hanja character string into a vernacular pronunciation using the extracted vernacular pronunciation and the determined statistical data. | 01-13-2011 |
20110016075 | SYSTEM AND METHOD FOR CORRECTING QUERY BASED ON STATISTICAL DATA - A system for correcting a query includes a wrong query determination unit to determine whether an inputted query is a wrong query, a per-whole-query correction unit configured to correct the query on a per-whole-query basis, and a per-word correction unit to correct the user query on a per-word basis. A method for correcting a query includes determining whether a query is a wrong query, correcting the query on a per-whole-query basis, and correcting the query on a per-word basis. | 01-20-2011 |