Patents Represented by Attorney LRK Patent Law Firm
  • Patent number: 8237930
    Abstract: Provided is an oxygen sensor using surface plasmon resonance, including: a laser diode emitting light; a polarizer converting the emitted light into polarized light; a prism receiving the polarized light from the polarizer and having a sensor substrate on one surface thereof so that the polarized light is reflected, the sensor substrate coated with oxygen-sensitive organic material; an oxygen concentration measurement chamber provided to enclose the sensor substrate so that oxygen whose concentration is to be measured is contained therein; a photodiode measuring an amount of light reflected from the prism; and a microcontroller unit controlling operation of the oxygen sensor and calculating the oxygen concentration.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: August 7, 2012
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae Min Hong, Hee Dok Choi, Il Doo Kim
  • Patent number: 8226405
    Abstract: The present invention relates to a full time regenerative type single radiant tube burner. The full time regenerative type single radiant tube burner includes a radiant tube type burner; a regenerating unit that regenerates exhaust gas heat generated from the burner and is used for preheating the intake combustion air; and an intake and exhaust switching device that passes the intake air and the exhaust gas to the regenerating unit and heat-exchanges them and simultaneously progresses the intake and exhaust processes of the burner to perform the full time combustion.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: July 24, 2012
    Assignee: Korea Institute of Energy Research
    Inventors: Sang Keun Dong, Je Bok Yang, Eun Kyeong Lee
  • Patent number: 8216372
    Abstract: The invention relates to an apparatus and method for growing a high quality Si single crystal ingot and a Si single crystal ingot and wafer produced thereby. The growth apparatus controls the oxygen concentration of the Si single crystal ingot to various values thereby producing the Si single crystal ingot with high productivity and extremely controlled growth defects.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: July 10, 2012
    Assignee: Siltron Inc.
    Inventor: Hyon-Jong Cho
  • Patent number: 8209346
    Abstract: An apparatus and method for updating a named entity dictionary or a mining rule database using the named entity dictionary and a mining rule combined with an ontology schema is provided. The apparatus includes a named entity dictionary and mining rule database storage module storing the named entity dictionary and a mining rule database; a mining pattern generation module recognizing a terminology from a text and converting the terminology into the mining pattern; a named entity and mining rule search module searching for a corresponding named entity and a mining rule from the named entity dictionary and the mining rule database using the recognized terminology and the mining pattern; and a named entity dictionary update module estimating a named entity of the terminology using the mining rule and storing the estimated named entity of the terminology in the named entity dictionary depending on a user's selection.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: June 26, 2012
    Assignee: Korea Institute of Science and Technology Information
    Inventors: Han Min Jung, Pyung Kim, Seung Woo Lee, Mi Kyung Lee, Dong Min Seo, Won Kyung Sung
  • Patent number: 8197522
    Abstract: Disclosed is a spine fixation apparatus, more particularly, a pedicle screw implanted into a spine and an operating device for the pedicle screw capable of easily inserting a rod to a head 5 section of the pedicle screw in order to securely fix the spine. The pedicle screw has a head section including a recess part defined by first and second sidewalls, a screw section, and a support unit formed at an upper portion of the recess part of the head section while connecting the first sidewall to the second sidewall.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: June 12, 2012
    Assignees: Solco Biomedical Co., Ltd.
    Inventors: Keun Ho Park, Jong Myeon Choi, Hoon Lee
  • Patent number: 8198614
    Abstract: The present invention relates to a terahertz wave generator and a method of generating high-power terahertz waves using the terahertz wave generator. The terahertz wave generator includes a hollow spherical body, and a focusing lens installed in a cutout portion of the spherical body or an opening formed in the cutout portion, wherein an inner surface of the spherical body is coated with metal. In the method, frequencies having different levels are incident through the focusing lens or the opening to generate a plurality of air plasmas, and the air plasmas cause continuous focusing the metal-coated inner surface and hollow space of the spherical body, thus generating high-power terahertz waves. According to the present invention, a plurality of air plasmas is continuously generated, thus solving the problem in which the light intensity of terahertz waves generated using one air plasma is low.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: June 12, 2012
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae Hun Kim, Seok Lee, Deok Ha Woo, Sun Ho Kim, Young Tae Byun, Young Min Jhon
  • Patent number: 8188624
    Abstract: The present invention is characterized in that it does not require specific fastening tools, which causes breakage or defects, or bonding work, because a brushless DC motor includes an insulator that is inserted in a stator to insulate a coil wound with led magnet wires and has at least one or more locking portions with locking grooves stepped on the inner side along the circumference and an outlet connector that has hooks fitted in the locking protrusions when being assembled with the insulator such that the insulator and the outlet connector are assembled in fitting and locking ways in assembling.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: May 29, 2012
    Assignees: Donghee Industrial Co., Ltd., DH Holdings Co., Ltd.
    Inventors: Jongsang Noh, Jonggeun Cha, Jongman Lee
  • Patent number: 8187400
    Abstract: Disclosed herein are a microtubular honeycomb carbon material obtained by heat-treating cellulose fiber, a production method thereof, a microtubular reactor module fabricated using the microtubular honeycomb carbon, a method for producing the microtubular reactor module, and a microcatalytic reactor system comprising the microtubular reactor module. A carbon material having a new structure is produced by heat-treating cellulose fiber, and a catalytic reactor system having a new structure is constructed by coating the surface of the carbon material with a metal catalyst. Cellulose carbide, used as the reactor material, is very simple to produce. Because it has a micro honeycomb structure having a large number of microchannels and a large number of mesopores, it can be loaded with a large amount of a catalyst compared to the prior material having the same area, and thus it is useful as a catalyst support, and the reaction efficiency can be maximized.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: May 29, 2012
    Assignee: Korea Institute of Energy Research
    Inventors: Nam Jo Jeong, Seong Ok Han, Hong Soo Kim, Hee Yeon Kim
  • Patent number: 8169117
    Abstract: The present invention provides a brushless motor for a fluid pump that allows implementing a fluid pump that overcomes problems of durability and reduction of energy efficiency due to DC motors in the related art and provides excellent operational characteristics, by ensuring a space allowing fluid to flow between a stator and a rotor, and ensuring and maintaining excellent driving characteristics of a motor, and a fluid pump using the brushless motor.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: May 1, 2012
    Assignee: Donghee Industrial Co., Ltd.
    Inventors: Jongsang Noh, Jonggeun Cha, Jongman Lee
  • Patent number: 8169273
    Abstract: Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and electromagnetic shielding layers. The strip transmission line is formed on a dielectric layer made of functional polymer material, and includes a plurality of strip lines. The plurality of strip lines are configured to be a ground line, or to transmit signals. The insulating layer is formed on the strip transmission line. The electromagnetic shielding layers are respectively formed on the insulating layer and beneath the strip transmission line.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: May 1, 2012
    Assignee: Brocoli Ltd.
    Inventor: Joo-Yeol Lee
  • Patent number: 8161842
    Abstract: An apparatus for generating hysteresis of an electronic accelerator pedal for a vehicle is provided, which includes a pedal arm that is pivotably connected to a housing; a friction block that is provided to be in contact with an inner wall of the housing; a friction block hole that is formed through the friction block to fit the fitting protrusion and has an elliptical shape in the longitudinal direction of the pedal arm such that the friction block fitted on the fitting protrusion slides on the bottom of the friction block mounting groove; a spring seat that is provided to be seated on the friction block; and an inner spring and an outer spring each of which one end is supported against the upper inner surface of the housing and the other is supported by the spring seat.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: April 24, 2012
    Assignees: Donghee Industrial Co., Ltd., DH Holdings Co., Ltd.
    Inventors: Donghwan Kim, Yonghwan Mo, Byungju Kim, Jongrae Lee
  • Patent number: 8161061
    Abstract: A module and method for determining a named entity of a terminology using a named entity dictionary and a mining rule combined with an ontology schema is provided. The module includes a named entity dictionary and mining rule database storing the named entity dictionary and a mining rule database; a mining pattern generation unit recognizing a terminology from a text and converting the terminology into a mining pattern; a named entity and mining rule search unit searching for a corresponding named entity and a mining rule respectively from the named entity dictionary and the mining rule database using the recognized terminology and the mining pattern; and a names entity selection unit selecting, if two or more named entities corresponding to the recognized terminology are searched, a named entity matching to the concept configuring the RDF triple of the searched mining rule as a named entity of the terminology among the searched named entities.
    Type: Grant
    Filed: June 4, 2011
    Date of Patent: April 17, 2012
    Assignee: Korea Institute of Science and Technology Information
    Inventors: Han Min Jung, Pyung Kim, Seung Woo Lee, Mi Kyung Lee, Dong Min Seo, Won Kyung Sung
  • Patent number: 8152089
    Abstract: According to the disclosed is a method for controlling taper tension in the winding section of a web handling system, a more stable, high-quality wound roll can be produced by stabilizing radial stress distribution and minimizing telescoping, which is the lateral displacement of material in the winding section, using either hybrid taper tension control through a hybrid factor (?) or heaviside taper tension control through a heaviside factor (?), in the winding process, which is the final section of the roll-to-roll or web handling system.
    Type: Grant
    Filed: June 28, 2008
    Date of Patent: April 10, 2012
    Assignee: Konkuk University Industrial Cooperation Corp.
    Inventors: Kee-Hyun Shin, Chang Woo Lee, Jang Won Lee
  • Patent number: 8152398
    Abstract: The present invention relates to a one-hand lipstick container, which includes: a container main body having a cylinder stood at the center of a body and a center through-hole formed through the center of the cylinder; a container cover that is rotatably connected to the upper portion of the container main body and has an open inlet formed through the upper surface; a cover holder that is combined by a spiral with the outer side of the cylinder of the container main body in the container cover and vertically ascends/descends by rotational force of the container cover; a door that is hinged to the cover holder to open/close the upper portion of the cover holder, opens a passage when the cover holder descends, and closes the passage when the cover holder ascends; a lipstick housing that is combined by a spiral with the inner side of the center through-hole of the container main body in the cover holder, vertically ascends/descends by rotational force of the cover holder, and ascends/descends in the opposite dir
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: April 10, 2012
    Inventors: Tae Jin Kim, Tae Yeon Kim
  • Patent number: 8133641
    Abstract: Disclosed are a half tone mask having a multi semi-transmission part and a manufacturing method thereof that can pattern a plurality of layers using one mask, by having at least two or more semi-transmission parts with light transmission that are different from each other. The half tone mask having a multi semi-transmission part comprises a transparent substrate, a light transmission part formed the transparent substrate to transmit irradiation light of a predetermined wavelength band, a light shielding part formed the transparent substrate to shield the irradiation light of the predetermined wavelength band, and at least two or more semi-transmission parts formed by depositing semi-transmission material on the transparent substrate to pass through the irradiation light of the predetermined wavelength band with each different light transmission.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: March 13, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kap-Seok Kang, Jae-Woo Park, Sang-Uk Park, Yu-Kyung Sim, Keun-Sik Lee
  • Patent number: 8115730
    Abstract: Disclosed are an input device in which an input key is located within the movement radius of a user's fingers, and a method for inputting a command using the input device. To this end, the input device according to the present invention comprises: an input key located within the movement radius of a user's fingers to be moved in the front, rear, left and right directions within the movement radius of the fingers, for inputting the variety of commands therethrough; a plurality of sensing means regularly arranged within the movement radius of the fingers, for sensing approach of the input key thereto or contact of the input key therewith to send a sensing signal; and a controller for receiving the sensing signal from the plurality of the sensing means, determining which one of the plurality of sensing means has sent the sensing signal thereto, extracting an inputted command based on the received signal, and instructing corresponding execution means to execute the extracted command.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: February 14, 2012
    Inventor: Ui Jin Oh
  • Patent number: 8108387
    Abstract: A character string pattern matching method for detecting the presence of at least one of N (N is a natural number equal to or greater than 2) patterns in specific text shifts a detection location across text by a maximum shift length using single-byte character-based layered SHIFT tables, thereby increasing a pattern matching speed as compared with the prior art pattern matching algorithms.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: January 31, 2012
    Assignee: Seoul National University Industry Foundation
    Inventors: Yoon Ho Choi, Seung Woo Seo
  • Patent number: 8106738
    Abstract: Disclosed herein is a ballast for multiple lamps and a method of manufacturing the ballast. A first coil is wound around a bobbin which has a partition formed in the center portion of an inner space thereof. An insulating sheet is stacked on the first coil, and a second coil is wound around the insulating sheet. Two paired core elements are vertically coupled to each other to form each core. Ends of the core elements disposed outside the bobbin are connected, and ends of the core elements disposed inside the bobbin are spaced apart from each other by the thickness of the bobbin partition, to form a path for magnetic flux.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: January 31, 2012
    Assignee: Sang Yong Illumination Co.
    Inventor: Ho-Sub Sin
  • Patent number: D653527
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: February 7, 2012
    Inventors: Cheon Soon Choi, Jong Won Choi
  • Patent number: D653528
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: February 7, 2012
    Inventors: Cheon Soon Choi, Jong Won Choi