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Heon
Heon Hwang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110110563 | Method and system for automatically grading beef quality - A method of automatically grading beef quality by analyzing a digital image is provided. The method includes: an image acquiring step of acquiring a color image of beef using a CCD camera; a region separating step of separating a lean region from the acquired image; a boundary extracting step of extracting a boundary line of the lean region; a boundary smoothing step of smoothing the boundary line extracted in the boundary extracting step; a boundary correcting step of correcting an indented portion and a protruded portion included in the boundary line having been subjected to the boundary smoothing step; a grading region determining step of determining a grading region on the basis of the boundary line corrected in the boundary correcting step; and a grading step of grading the beef quality on the basis of the image of the grading region. | 05-12-2011 |
Heon Jekal, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080310823 | VIDEO PROCESSING APPARATUS AND CONTROL METHOD THEREOF - A video processing apparatus, includes: a signal input unit which receives a broadcasting signal; a signal processing unit which processes the broadcasting signal received by the signal input unit; and a control unit which determines whether a virtual channel table which comprises language information exists in additional information which is included in the received broadcasting signal, and, if it is determined that the virtual channel table exists, controls the signal processing unit to process the broadcasting signal based on the language information of a same packet identification in the virtual channel table as a packet identification of a packet which comprises audio information in a program map table which exists in the additional information. | 12-18-2008 |
Heon Jung, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090297435 | Microcombustors, Microreformers, And Methods Involving Combusting Or Reforming Liquids - The invention describes combustors and steam reformers and methods of combustion and steam reforming. For example, integrated combustion reactors are described in which heat from combustion is transferred to an endothermic reaction. Thermally efficient reactors and methods of alcohol steam reforming are also described. Also described is an integrated combustor/reformer containing a methanation catalyst. | 12-03-2009 |
| 20100204043 | ADSORBENT FOR SELECTIVE ADSORPTION OF CARBON MONOXIDE AND PROCESS FOR PREPARATION THEREOF - The present invention relates to an adsorbent for separating carbon monoxide from a gas mixture including hydrogen gas and a method of preparing the same. The adsorbent for selectively separating monoxide includes a solid material, which is a solid support impregnated and dispersed with a cuprous salt by bringing the solid support into contact with a cuprous salt solution stabilized by dissolving a cuprous salt or a cuprous salt mixture in a solvent. The adsorbent is advantageous in that the selectivity for carbon monoxide is improved, so that the amount of carbon monoxide included in the gas mixture is decreased to infinitesimal quantities, thereby producing high-purity hydrogen products. | 08-12-2010 |
| 20110005391 | PRESSURE SWING ADSORPTION APPARATUS AND METHOD FOR HYDROGEN PURIFICATION USING THE SAME - Disclosed are a pressure swing adsorption apparatus for hydrogen purification and a hydrogen purification method using the same. The pressure swing adsorption apparatus for hydrogen purification includes a plurality of adsorption columns connected with a feed supply pipe, a hydrogen storage tank for collecting purified hydrogen from the adsorption columns, and valves for opening or closing a plurality of pipes connected to the respective adsorption columns, and the adsorption columns are packed with adsorbent beds of active alumina or silica gel, activated carbon, zeolite 13X, zeolite 5A, and a carbon monoxide-selective adsorbent other than the zeolite 5A, in order to remove carbon dioxide, methane, and carbon monoxide from a hydrogen-containing gas mixture supplied through the feed supply pipe, and the content of carbon monoxide in the discharged hydrogen is minimized through sequential adsorption on the adsorbents in the adsorption columns. The content of carbon monoxide in the purified hydrogen product can be decreased to 10 ppm or less, thus facilitating the production of highly pure hydrogen products. | 01-13-2011 |
| 20120055784 | PREPARATION METHOD OF PALLADIUM ALLOY COMPOSITE MEMBRANE FOR HYDROGEN SEPARATION - Disclosed herein is a method of preparing a palladium alloy composite membrane for hydrogen separation, including (a) providing a first metal coating layer on a porous support using an electroplating process; (b) providing a palladium coating layer on the first metal coating layer using a dry plating process; and (c) heat treating the palladium coating layer to form an alloy layer of palladium and the first metal. | 03-08-2012 |
Heon Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080319157 | METHOD FOR PRODUCING NORBORNENE MONOMER COMPOSITION, NORBORNENE POLYMER PREPARED THEREFROM, OPTICAL FILM COMPRISING THE NORBORNENE POLYMER, AND METHOD FOR PRODUCING THE NORBORNENE POLYMER - Disclosed is a method for producing a norbornene monomer composition, a norbornene polymer produced using the norbornene monomer composition, an optical film including the norbornene polymer, and a method for producing the norbornene polymer. The method includes reacting a reaction solution that contains cyclopentadiene, dicyclopentadiene, or a mixture of cyclopentadiene and dicyclopentadiene, an acetate compound, and a solvent so that a content of an exo isomer is 50 mol % or more. Variables such as a reaction temperature, a reaction time, a molar ratio between reactants, and addition of a solvent are controlled so that the exo isomer is contained in content of 50 mol % or more. Accordingly, it is possible to industrially produce an acetate norbornene addition polymer by using the acetate norbornene monomer composition containing the exo isomer in content of 50 mol % or more. | 12-25-2008 |
| 20090092769 | METHOD FOR POLYMERIZING CYCLOOLEFIN POLYMER CONTAINING POLAR FUNCTIONAL GROUPS AND ELECTRONIC DEVICES EMPLOYING THE POLYMERIZED CYCLOOLEFINS - Disclosed is a method for preparing a cycloolefin polymer containing polar functional groups, comprising: preparing a catalyst mixture including i) a precatalyst, containing a Group 10 transition metal having a ligand containing oxygen ions bonded to the metal; ii) a first cocatalyst which is an organic compound containing a Group 15 element; and iii) a second cocatalyst which is capable of providing an anion and weakly coordinating to the metal of the precatalyst; and subjecting a monomer solution comprising a norbornene-based compound containing a polar functional group to an addition polymerization reaction in the presence of an organic solvent and the catalyst mixture, at a temperature of 80-200° C., the total amount of the organic solvent being 50-800% by weight based on the total weight of the monomer contained in the monomer solution, and the product yield of the polymer being 50% by weight or more based on the total weight of the monomer. | 04-09-2009 |
| 20100174039 | Catalyst system for polymerizing cyclic olefin having polar functional group, polymerizing method using the catalyst system, olefin polymer produced by the method and optical anisotropic film comprising the olefin polymer - A catalyst system capable of producing a cyclic olefin polymer having a polar functional group and a high molecular weight with a high yield in which a catalyst is not deactivated due to polar functional groups of monomers, and a method of producing polymers using the same are provided. The catalyst system for polymerization of olefin according to the present invention has good thermal and chemical stability, and thus, in the method of preparing polyolefin using the catalyst system, the deactivation of a catalyst due to a polar functional group of the monomer can be prevented, and thus a high yield of the cyclic olefin polymer with a high molecular weight can be obtained when a ratio of the catalyst to the monomer is 1:5000, and the removal of a catalyst residue is not required. | 07-08-2010 |
| 20110245069 | CATALYST SYSTEM FOR PREPARING CYCLIC OLEFIN ADDITION POLYMER, CYCLIC OLEFIN ADDITION POLYMER PREPARED BY USING THE CATALYST SYSTSEM AND METHOD FOR PREPARING THE SAME - The present invention relates to a catalyst system for preparing a cyclic olefin addition polymer, a method for preparing the catalyst system and a cyclic olefin addition polymer prepared by the method, and more particularly to the method comprising the steps of contacting some content of norbornene-based monomer having a specific polar functional group with a catalyst system comprising a) a Group X transition metal compound; b) a compound comprising a neutral Group XV electron donor ligand having a cone angle of at least 160°; and c) a salt capable of offering an anion that can be weakly coordinated to the transition metal of the a) the Group X transition metal compound. | 10-06-2011 |
Heon Kim, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100068419 | RETARDATION FILM, A METHOD FOR PREPARING RETARDATION FILM AND POLARIZER COMPRISING THE RETARDATION FILM - There is provided a retardation film capable of adjusting an angle between a proceeding direction of a film and an optical axis of liquid crystal by employing an alignment layer formed of polymers including norbornene and improving thermal stability and photoreaction rate, a method for preparing the retardation film and a polarizer comprising the retardation film. The retardation film includes a substrate, an alignment layer formed on the substrate and made of polymers including norbornene, and an alignment layer fixing layer formed on the alignment layer and made of liquid crystal materials; the method for preparing a retardation film includes: forming a polymer layer by coating a substrate with a polymer solution including norbornene and drying the polymer solution, forming an alignment layer by irradiating the copolymer layer with linearly polarized ultraviolet rays in a predetermined direction relative to a proceeding direction of a film to give an orientation to the copolymer layer, forming a liquid crystal layer on the alignment layer by coating the alignment layer with a nematic liquid crystal solution and drying the nematic liquid crystal solution, and fixing the orientation of the liquid crystal layer by curing the liquid crystal layer; and the polarizer includes the retardation film and a polarizer film, both of which are stacked with each other. The retardation film has improved thermal stability and light reaction speed, and the retardation film whose optical axis has a desired orientation angle relative to a proceeding direction of the retardation film may be easily prepared through the irradiation of polarized ultraviolet rays. | 03-18-2010 |
Heon Kim, Yeosu-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100036071 | Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and political anisotropic film comprising the same - A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the copolymerization method, a cyclic olefin and a polar vinyl olefin can be effectively copolymerized using a catalyst system composed of a compound containing a group 13 element and a radical initiator. The resulting copolymer is transparent, and has high adhesion, thermal stability, optical anisotropy and strength, and a low dielectric constant. The optical film including the copolymer can be used as a plastic lens, a polarizer protective film, an adhesive film, and a compensation film, and in a LCD display. | 02-11-2010 |
Heon Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120121983 | Lithium Deposited Anode for a Lithium Second Battery and Its Manufacturing Method - The present invention relates to a lithium deposited anode for a lithium secondary battery and a method for preparing the same, and more particularly, to an anode suitable for a lithium secondary battery which limits dendrite growth only inside the concave portion of the silicon substrate during a battery is charged/discharged by depositing lithium as an active material only on the deeply caved concave portion of an anode current collector of which a micro-size patterned silicon substrate has conductivity provided by a metal, and its manufacturing method. | 05-17-2012 |
Heon Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120106827 | WAFER INSPECTION METHOD - A wafer inspection method comprises: performing an exposure process on a wafer partitioned into fields, wherein the exposure process is performed on a first plurality of the fields in a first scan direction and wherein the exposure process is performed on a second plurality of the fields in a second scan direction; storing scan direction information for the first plurality of fields and the second plurality of fields corresponding to whether the exposure process is performed in the first scan direction or in the second scan direction; obtaining image information on the surface of the wafer subjected to the exposure process; determining whether a repetitive defect pattern is present in the image information; and determining whether the repetitive defect pattern is dependent on scan direction by identifying a correlation between the presence of repetitive defect patterns on the wafer and the scan direction information. | 05-03-2012 |
Heon Yoo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110021601 | COMPOSITION CONTAINING MICRORNA-21 INHIBITOR FOR ENHANCING RADIATION SENSITIVITY - Disclosed is a radiation sensitivity-enhancing composition in which a microRNA-21 inhibitor acts as an active ingredient. The microRNA-21 inhibitor is an antisense nucleic acid molecule binding complementarily to microRNA-21. The composition can be administered to a patient in conjunction with irradiation. The inhibitor can act as a radiosensitizer, enhancing the therapeutic effect of such irradiation on cancer high in microRNA-21 expression level, particularly, glioma. | 01-27-2011 |
| 20110124712 | ANTI-CANCER COMPOSITION COMPRISING MICRORNA MOLECULES - Disclosed is an anticancer composition for the treatment of hypoxia-induced angiogenesis-associated diseases including cancers. It comprises a microRNA-125 nucleic acid molecule. Also, methods of inhibiting angiogenesis, suppressing the invasion and metastasis of cancer cells, and treating cancers are provided. | 05-26-2011 |