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Ju-Yeon
Ju-Yeon Hong, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110241798 | RESONATOR FOR COMMUNICATION SYSTEM AND FILTER USING THE SAME - Provided are a resonator and a filter performing a filtering operation by using the resonator. The filter includes a first resonation unit connected in series to an input terminal and having a first resonant frequency, a filtering unit connected in series to the first resonation unit to filter a signal inputted through the input terminal, a second resonation unit connected in series between the filtering unit and an output terminal and having a second resonant frequency, a first zero-order resonation unit connected in parallel to a connection terminal between the input terminal and the first resonation unit and having a first zero-order resonant frequency equal to the first resonant frequency, and a second zero-order resonation unit connected in parallel to a connection terminal between the output terminal and the second resonation unit and having a second zero-order resonant frequency equal to the second resonant frequency. | 10-06-2011 |
Ju-Yeon Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100074875 | COMPOSITION CONTAINING HUMAN UMBILICAL CORD BLOOD-DERIVED MESENCHYMAL STEM CELL FOR INDUCING DIFFERENTIATION AND PROLIFERATION OF NEURAL PRECURSOR CELLS OR NEURAL STEM CELLS TO NEURAL CELLS - A use of a composition comprising umbilical cord blood-derived mesenchymal stem cells for inducing differentiation and proliferation of neural precursor cells or neural stem cells to neural cells is provided, the composition being effective for the treatment of nerve injury diseases. | 03-25-2010 |
| 20110262393 | COMPOSITION COMPRISING MESENCHYMAL STEM CELLS OR CULTURE SOLUTION OF MESENCHYMAL STEM CELLS FOR THE PREVENTION OR TREATMENT OF NEURAL DISEASES - Provided are a pharmaceutical composition for prevention and treatment of a neural disease including at least one selected from the group consisting of mesenchymal stem cells (MSCs), a culture solution of the MSCs, activin A, PF4, decorin, galectin 3, GDF15, glypican 3, MFRP, ICAM5, IGFBP7, PDGF-AA, SPARCL1, thrombospondin-1, WISP1, progranulin, IL-4, a factor inducing expression thereof, and any combination thereof, and a method therefor. | 10-27-2011 |
Ju-Yeon Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120064450 | TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND METHOD OF PREPARING THE SAME - A toner includes a binder including two different weight molecular weight resins, a colorant, and a releasing agent, wherein a gel permeation chromatogram (GPC) molecular weight distribution curve of the toner has a major peak (Mp) present in a range of about 1.0×10 | 03-15-2012 |
Ju-Yeon Lee, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090173906 | Ethylene Vinyl Acetate Based Polymer Foams with Low Density, Injection Preparation Method Thereof and a Material for Medical and Health-Care use - The present invention relates to ethylene vinyl acetate based polymer foams with low density and superior injection molding characteristics, a preparation method thereof and a material for medical and health-care use using the same, more particularly to ethylene vinyl acetate based polymer foams with low density prepared by blending, masticating, pelletizing and foaming a matrix resin comprising ethylene vinyl acetate (EVA) resin and ethylene methyl acrylate (EMA) resin under specific condition, which has low density and superior injection molding characteristics and improved biocompatibility to human body, making them a useful environment-friendly material and particularly applicable to medical or health-care use, a preparation method thereof and a material for medical and health-care use using the same. | 07-09-2009 |
Ju-Yeon Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110018961 | VIDEO CALL DEVICE AND METHOD - Provided are a video call device and method. The video call device performs a video call by exchanging images with another video call device in real time. The video call device includes: an image obtaining unit obtaining an original image in real time; an image processing unit comprising a first image conversion unit which receives the original image and converts the original image into a first conversion image in real time; and an interface unit transmitting the first conversion image. | 01-27-2011 |
Ju-Yeon Moon, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080207931 | Solid-Phase Extraction Method of Steroid Hormones by Entrapped Beta-Cyclodextrin Polymers - Provided is a method for selective extraction of steroid compounds using entrapped β-cyclodextrin polymers. Particularly, steroid hormones can be effectively selected from a biological sample by selectively extracting steroid compounds using entrapped β-cyclodextrin polymers, prepared by adding epichlorohydrin to β-cyclodextrin to prepare a polymer in a gel state, entrapping the polymer and pulverizing the products without using an additional device required in conventional solid-phase extraction. | 08-28-2008 |
Ju-Yeon Park, Gwangju Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100298601 | Catalyst System, Oxidation Reactor Containing The Same, And Preparation Method For Acrolein And Acrylic Acid Using The Same - The present invention relates to a catalyst system, an oxidation reactor comprising the same, and a method for producing an acrolein and an acrylic acid by using the same. By using the catalyst system according to the present invention, when acrolein and acrylic acid are produced, since heat accumulation in a catalyst layer may be effectively prevented, catalyst deterioration may be prevented, and the catalyst may be stably used for a long period of time. In addition, an acrolein and an acrylic acid may be produced at high selectivity and high yield. | 11-25-2010 |
Ju-Yeon Seo, Yongin-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20110221990 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device that prevents occurrence of a phenomenon where a boundary portion of a pixel region becomes dark, and a method of manufacturing the same. The display device includes a first substrate arrangement including a domain forming layer having a depression pattern for forming a liquid crystal domain in a pixel region, and a pixel electrode arranged on the domain forming layer, a second substrate arrangement including a common electrode arranged on an entire surface facing the first substrate arrangement, a liquid crystal layer arranged between the first and second substrate arrangements and including a plurality of liquid crystal molecules and a reactive mesogen (RM) to fix the liquid crystal molecules to form the liquid crystal domain, a sealant arranged between the first and second substrate arrangements to adhere the first and second substrate arrangement together and a light blocker arranged between the sealant and the liquid crystal layer to block light incident from an external side of the sealant. | 09-15-2011 |
| 20110222010 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device having an improved viewing angle by using a linear polarization structure, and a method of manufacturing the same. The display device includes a first substrate arrangement including a domain forming layer and a pixel electrode arranged on the domain forming layer, the pixel electrode having a cross type opening pattern, a second substrate arrangement including a common electrode arranged on an entire surface that faces the first substrate arrangement and a liquid crystal layer arranged between the first substrate arrangement and the second substrate arrangement, the liquid crystal layer including a plurality of liquid crystal molecules and a reactive mesogen to fix liquid crystal molecules and to produce a liquid crystal domain based on the cross type opening pattern. | 09-15-2011 |
| 20120062828 | LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel that includes a number of pixel electrodes formed on a substrate and are located in a pixel region defined by gate lines and data lines that cross the gate lines. Each of the pixel electrodes located in the pixel region includes a number of sides, and at least one of the sides includes oblique lines and a protrusion formed by the oblique lines, and the pixel electrodes located in the pixel region and adjacent to each other in a first direction form a separation space that includes at least one protrusion, and a width of the separation space gradually reduces and gradually increases in a second direction crossing the first direction, and a singular point that controls the texture of liquid crystals is located at the narrowest width of the separation space. | 03-15-2012 |
Ju-Yeon Song, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100008297 | APPARATUS AND METHOD FOR TRANSMITTING COEXISTENCE BEACON PROTOCOL PACKET IN COGNITIVE RADIO BASED WIRELESS COMMUNICATION SYSTEM - A method of and apparatus for operating a Coexistence Beacon Protocol (CBP) packet transmitter in a Cognitive Radio (CR)-based wireless communication system is provided. The method includes, identifying a Self-Coexistence Window (SCW) regular pattern of neighbor Wireless Regional Area Networks (WRANs), if vacant SCW slots are not periodically occurring, selecting a WRAN as a contender among the neighbor WRANs, performing a contention for transmitting the CBP packet with the contender within SCW slots that are occupied by the WRAN, and configuring an SCW usage pattern so that an SCW usage period of the CBP packet sender is double that of an SCW usage period of the contender when winning in the contention. | 01-14-2010 |
| 20100136974 | Apparatus and method for dynamic resource exchange in cognitive radio (CR) based communication system - A base station includes an apparatus and a method for exchanging frequency channel resources between base stations in a Cognitive Radio (CR) based communication system. A requesting Base Station (BS), which requests channel exchange a neighboring BS, receives a channel advertisement message from a neighboring BS and sends a channel exchange request message to the neighboring BS. The channel exchange request message includes at least one of a neighbor BS Identifier (ID), a requesting BS ID, channel information for the channel exchange at the requesting BS, and channel information exchangeable at the neighboring BS. The requesting BS receives a channel exchange response message from the neighboring BS in response to the channel exchange request message, determines whether to execute a channel exchange process to the neighboring BS based on information in the received channel exchange response message, and sends a channel exchange reply message indicative of the determination result. | 06-03-2010 |
| 20100214965 | APPARATUS AND METHOD FOR SUPPORTING PARTIAL FREQUENCY DIVISION DUPLEX IN A COGNITIVE RADIO WIRELESS COMMUNICATION SYSTEM - An operating method and apparatus of a Customer Premise Equipment (CPE) in a Cognitive Radio (CR) wireless communication system and a base station in the CR wireless communications system are provided. The method includes, when receiving a beacon message from a Primary User (PU), transmitting a mode change request message including a signal strength from the PU and a channel number interfering with the PU to a base station, when receiving a mode change reply message from the base station, determining whether a partial Frequency Division Duplex (FDD) scheme is applied, and, when the partial FDD scheme is applied, communicating by receiving a downlink burst in a Time Division Duplex (TDD) channel indicated by the mode change reply message and transmitting an uplink burst in an FDD channel indicated by the mode change reply message. | 08-26-2010 |
| 20100226312 | Apparatus and method for transmitting coexistence beacon protocol packet in cognitive radio wireless communication system - An apparatus and a method for transmitting a Coexistence Beacon Protocol (CBP) packet in a Cognitive Radio (CR) wireless communication system are provided. In the method for transmitting CBP packet in a transmitter that operates in a scalable Orthogonal Frequency Division Multiple Access (OFDMA) mode, a priority is given to each channel of one or more channels based at least partly upon channel use statuses of two or more neighbor Wireless Regional Area Networks (WRANs). Whether a Quality of Service (QoS) for CBP packet transmission for each channel is met is sequentially determined according to the respective priority. A channel having a highest priority is selected from the one or more channels meeting the QoS as a channel for CBP packet transmission. A CBP packet is transmitted via the selected channel. | 09-09-2010 |