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Chang-Ju

Chang Ju Choi, Seoul KR

Patent application numberDescriptionPublished
20090326234(S)-(-)-Amlodipine Camsylate or Hydrate Thereof And Pharmaceutical Composition Comprising Same - Disclosed is (S)-(−)-amlodipine camsylate or a hydrate thereof having good photostability and high solubility, and a pharmaceutical composition comprising same, which can be efficiently used in treating cardiovascular diseases.12-31-2009
20100190983PROCESS FOR PREPARING VORICONAZOLE - Optically pure voriconazole can be prepared in a high yield by a) subjecting 1-(2,4-difluorophenyl)-2(1H-1,2,4-triazol-1-yl)ethanone to Reformatsky-type coupling reaction with a substituted thiopyrimidine derivative to obtain a desired (2R,3S)/(2S,3R)-enantiomeric pair; b) removing the thiol derivative from the enantiomer to obtain racemic voriconazole; and c) isolating the racemic voriconazole by way of optical resolution using an optically active acid.07-29-2010

Patent applications by Chang Ju Choi, Seoul KR

Chang Ju Gi, Seoul KR

Patent application numberDescriptionPublished
20100133886Walk-In and Folding Apparatus for Seat - A walk-in and folding apparatus for a seat includes a locking link installed on a cushion frame by means of an elastic hinge, and connected with a locking unit via a first wire so as to, upon rotation, release the locked locking unit, and a walk-in pin installed on a frame of a seat back by means of another elastic hinge, protruding towards the locking link so as to, upon folding of the frame of the seat back, force the locking link to rotate, and connected with a folding lever in such a manner as to rotate in association with the same so as to, upon a folding action caused by operation of the folding lever, rotate so that it does not interfere with the locking link.06-03-2010
20100289304AUTOMOTIVE SEAT CUSHION WITH DRAIN DEVICE - An automotive seat cushion with a drain device may include a seat cushion including a cushion pad which is disposed inside the seat cushion and a covering which is disposed outside the cushion pad and is connected to the cushion pad by a hog ring, a passenger classification sensor which is disposed between the cushion pad and the covering and detects whether a seat is occupied by an occupant or not, a drain hole which is formed by vertically penetrating the seat cushion, and a drain hole guide member which is inserted into the drain hole and engaged thereto to maintain a shape of the drain hole.11-18-2010

Chang Ju Kim, Anyang-Si KR

Patent application numberDescriptionPublished
20090256143OLIGOTHIOPHENE-ARYLENE DERIVATIVES AND ORGANIC THIN FILM TRANSISTORS USING THE SAME - An oligothiophene-arylene derivative wherein an arylene having n-type semiconductor characteristics is introduced into an oligothiophene having p-type semiconductor characteristics, thereby simultaneously exhibiting both p-type and n-type semiconductor characteristics. Further, an organic thin film transistor using the oligothiophene-arylene derivative.10-15-2009

Chang Ju Kim, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090230388Composition for producing organic insulator comprising an organic-inorganic metal hybrid material - A composition for producing an organic insulator is provided which comprises an organic-inorganic hybrid material (as defined). The hybrid material shows high solubility in organic solvents and monomers, and superior adhesion to substrates. In addition, the hybrid material displays a high dielectric constant and a high degree of crosslinking. Based on these advantages, the composition comprising the organic-inorganic hybrid material can be utilized during the fabrication of various electronic devices by a wet process. A method for producing the organic insulator while utilizing the composition also is provided, as well as the resulting organic insulator, and an organic thin film transistor which incorporates the resulting insulating layer.09-17-2009
20100230663Star-shaped oligothiophene-arylene derivatives and organic thin film transistors using the same - A star-shaped oligothiophene-arylene derivative in which an oligothiophene having p-type semiconductor characteristics is bonded to an arylene having n-type semiconductor characteristics positioned in the central moiety of the molecule and forms a star shape with the arylene, thereby simultaneously exhibiting both p-type and n-type semiconductor characteristics. Further, an organic thin film transistor using the oligothiophene-arylene derivative. The star-shaped oligothiophene-arylene derivative can be spin-coated at room temperature, leading to the fabrication of organic thin film transistors simultaneously satisfying the requirements of high charge carrier mobility and low off-state leakage current.09-16-2010

Patent applications by Chang Ju Kim, Gyeonggi-Do KR

Chang Ju Lee, Seoul KR

Patent application numberDescriptionPublished
20120038669USER EQUIPMENT, SERVER, AND METHOD FOR SELECTIVELY FILTERING AUGMENTED REALITY - An augmented reality filter selecting user equipment, includes a display unit display to display a real image including a target object and a plurality of filter icons, a user input unit to receive a user command, the user command including a selection of a target filter icon and a movement of the target filter icon, and a control unit to control the display unit to display the target object and filtered AR information corresponding to the target object. A method for selecting a filter includes displaying a real image including a target object and a plurality of filter icons, receiving a command to select a target filter icon, applying the target filter icon by moving the selected target filter icon onto a target object on the displayed image, and displaying the target object and information corresponding to the target object, in which the target filter icon is applied.02-16-2012

Chang-Ju Kim, West Sacramento, CA US

Patent application numberDescriptionPublished
20100050832ULTRA-PRECISION MACHINE TOOL - A 5 axis motion controlled ultra-precision machine tool is provided in which major portions are composed as a structure completely symmetric about the machining point and errors due to thermal displacement can be minimized.03-04-2010

Chang-Ju Kim, Seoul KR

Patent application numberDescriptionPublished
20090042930PHARMACEUTICAL COMPOSITIONS CONTAINING CLOPIDOGREL BISULFATE - Provided is a pharmaceutical composition including clopidogrel bisulfate and a pregelatinized starch. The pharmaceutical composition in which the stability of clopidogrel bisulfate is significantly enhanced can be obtained by mixing clopidogrel bisulfate with the pregelatinized starch.02-12-2009

Chang-Ju Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20080278944OPTICAL LENS, OPTICAL MODULE HAVING THE SAME, AND BACKLIGHT ASSEMBLY HAVING THE SAME - An optical module includes a point light source device and an optical lens. The point light source device generates light. The optical lens includes an inner curved surface and an outer curved surface. The inner curved surface has a first roughly ellipsoidal shape having a first major axis and a first minor axis that is substantially perpendicular to the first major axis. The outer curved surface has a second roughly ellipsoidal shape having a second major axis that is substantially perpendicular to the first axis and the second minor axis that is substantially perpendicular to the second major axis. The light generated by the point light source device enters the optical lens through the inner curved surface and exits from the optical lens through the outer curved surface. Therefore, the number of optical modules used in a display device may be reduced to lower manufacturing cost thereof.11-13-2008

Patent applications by Chang-Ju Kim, Suwon-Si KR

Chang-Ju Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20100295522SEMICONDUCTOR DEVICE HAVING VOLTAGE REGULATOR - A semiconductor device includes a voltage regulator. The device includes an operational amplifier configured to compare an input voltage with a feedback voltage and output an output voltage, an up-resistor connected between an output of the operational amplifier and a first node, a down-resistor connected between a second node and a ground voltage terminal, and a switching unit including a fuse box connected between a third node outputting the feedback voltage and a fourth node having a variable resistance value, and configured to connect the first node with the fourth node and the second node with the third node, or connect the first node with the third node and the second node with the fourth node.11-25-2010
20110242028METHOD AND APPARATUS FOR FORMING ELECTRODE PATTERN ON TOUCH PANEL - A touch sense panel includes a first set of individual sensing units for sensing a location along a first axis. The first set of individual sensing units includes a first plurality of strings of individual sensing units, each string including at least two of the individual sensing units of the first set. The at least two individual sensing units are electrically connected to each other and arranged in a direction perpendicular to the first axis. A first individual sensing unit of a first string of the first plurality of strings is electrically connected to a first individual sensing unit of a second string of the first plurality of strings, the second string adjacent to the first string, such that the first string and the second string form a single, first electrode.10-06-2011
20110273399METHOD AND APPARATUS CONTROLLING TOUCH SENSING SYSTEM AND TOUCH SENSING SYSTEM EMPLOYING SAME - A method of calibrating a touch sensing system includes connecting an impedance load to a touch sensing signal path in a gain adjustment mode, adjusting a gain of an amplifier that amplifies a signal input to the touch sensing signal path in the gain adjustment mode by evaluating an output signal of the amplifier, and disconnecting the impedance load from the touch sensing signal path after adjusting the amplifier gain.11-10-2011
20110310038METHOD AND APPARATUS FOR CORRECTING TOUCH COORDINATES IN TOUCH SYSTEM - A method of operating a touch system comprises storing a lookup table for correcting a touch coordinate value of a touch panel, acquiring touch data generated in response to a touch conductor on the touch panel and calculating the touch coordinate value from the acquired touch data, measuring a size of the touch conductor, and correcting the touch coordinate value by accessing the lookup table using the touch coordinate value and the size of the touch conductor as input parameters.12-22-2011

Patent applications by Chang-Ju Lee, Suwon-Si KR