baber/WOPTO huggingface dataset:
Patent KR-20160109997-A (KR)
Inventor: LEE JONG WOO
IPC: H03M1/12
Filed: 2015-06-18
Abstract: Provided are a semiconductor device having a reduced size, and a system on chip (SoC) comprising the semiconductor device. The semiconductor device comprises: a reference capacitor which receives a reference voltage from a reference voltage generator; a first successive approximation register analog-to-digital converter (SAR ADC) which converts a first analog signal into a first digital signal by using a first sampling capacitor adapted to have a first capacitance and to be connected to the reference capacitor via a first switching element, and a second sampling capacitor adapted to have a second capacitance lower than the first capacitance and to be connected to the reference capacitor via a second switching element; a second SAR ADC which converts a second analog signal into a second digital signal by using a third sampling capacitor adapted to have a third capacitance and to be connected to the reference capacitor via a third switching element, and a fourth sampling capacitor adapted to have a fourth capacitance lower than the third capacitance and to be connected to the reference capacitor via a fourth switching element; and a controller which connects the first switching element and the third switching element to the reference capacitor at different times.
Patent KR-20160150233-A (KR)
Title: Supporter of top side module for offshore platform and installation method thereof
Inventor: KIM KYONG MI
IPC: B63B17/00
Filed: 2015-06-19
Abstract: A topside module supporter for an offshore platform and an installing method thereof are disclosed. In the topside module supporter for an offshore platform, formed with a multilayer structure, an individual layer is composed by including a deck and a leg supporting the deck. A cylindrical rotation member of a ring shape is rotatably connected to the end of the leg. A screw part which is moved at a straight line to be inputted to the inside of the rotation member or be drawn to the outside by corresponding to a rotation direction of the rotation member is combined in an inner cavity of the rotation member by a screw combination method. The screw part drawn out to the outside by corresponding to the rotation of the rotation member is screwed with a thread formed on the circumferential surface of the inner side of a groove formed on the adjacent deck. Accordingly, the present invention can reduce the burden of a nondestructive test by a welding combination method.
Patent KR-20170002174-A (KR)
Inventor: ALOYSIUS SOON
IPC: H01L29/06
Filed: 2015-06-29
Abstract: The present invention relates to a method for deducing a critical stacking thickness of a topological insulator and, more specifically, to a method for deducing a critical stacking thickness of a topological insulator, which quantitatively analyzes thermodynamic stability, electron density distribution, and an electronic band gap of a V-VI group topological insulator, and deduces a stacking thickness of the topological insulator based on pressure and stress by using them. The method according to the present invention comprises: (A) a step of setting primary models in consideration of shapes and a stacking sequence of topological insulators; (B) a step of calculating thermodynamic energy by applying the primary models set in the step (A) to Kohn-Sham equation; (C) a step of setting secondary models for calculating thermodynamic relative energy such as the step (B) in consideration of the shapes, stacking sequence, and a transition state of the topological insulators which can be predicted by the thermodynamic energy calculated in the step (B); and (D) a step of verifying thermodynamic stability of the secondary models set in the step (C) to deduce a topological insulator having a critical stacking thickness.
Patent KR-20170006415-A (KR)
Title: A pharmaceutical composition containing fibulin-3 for the prevention and treatment of pancreatic cancers
Inventor: KIM IN GYU
IPC: A61K38/17
Filed: 2015-07-08
Abstract: The present invention relates to a pharmaceutical composition for preventing and treating pancreatic cancer, containing fibulin-3 protein as an active ingredient. The fibulin-3 protein inhibits c-Met and aldehyde dehydrogenase 1 (ALDH1) in pancreatic cancer cell, and weakens ability of growth, infiltration, and metastasis while increasing radiosensitivity. Thus, the fibulin-3 protein can be used as treatment agents for pancreatic cancer as well as radiosensitivity enhancers for pancreatic cancer.
Patent KR-20170006445-A (KR)
Title: Apparatus for automatic opening and shutting of windwos and doors
Inventor: CHAE CHANG HO
IPC: E05F15/77
Filed: 2015-07-08
Abstract: Disclosed is an apparatus for automatically opening and closing a sliding window which is easily detached and attached to a window or a door, has lower manufacturing costs, is quickly and easily installed in accordance with a site situation, and opens and closes the window or the door by a rotational force of a drive motor.
Patent KR-20170006874-A (KR)
Title: Cover Structure for Street Inlet
Inventor: KIM HYE KYEONG
IPC: E03F5/04
Filed: 2015-07-10
Abstract: Disclosed is a cover structure for a street inlet. The present invention relates to a cover structure comprising: a net-shaped cover unit; and a fixing unit which fixates the net-shaped cover unit on a street inlet installed in the ground. According to the present invention, the cover structure is able to prevent a variety of foreign substances such as fallen leaves and waste from flowing into a drain through the street inlet. Additionally, in accordance with the present invention, the cover structure is able to block the inflow of foreign substances into a drain to maintain a discharge capacity of the street inlet. Moreover, in accordance with the present invention, the cover structure is able to prevent harmful insects which live in the underground sewerage system from coming out through the street inlet.
Patent KR-20170009137-A (KR)
Title: Apparatus for controlling power supply of battery and method thereof
Inventor: KIM KYUNG HO
IPC: B60R16/00
Filed: 2015-07-15
Abstract: The present invention relates to an apparatus for controlling power supply of a battery and a method thereof. The apparatus for controlling power supply of a battery can supply power of a battery to various loads in a vehicle easily by supplying the power of the battery to a load by manipulation of a driver in a state that battery power supplied to each load in the vehicle is cut off to prevent overdischarge. To this end, the apparatus for controlling power supply of a battery comprises: a relay for supplying or interrupting power of a battery to various loads in a vehicle; and a switch driving the relay to supply power of the battery to various loads in the vehicle, wherein the switch is operated by manipulation of a driver.
Patent KR-20170010213-A (KR)
Inventor: JEONG YONG JU
IPC: G09G3/36
Filed: 2015-07-16
Abstract: There is provided a display apparatus having improved color reproducibility. The display apparatus includes a backlight, a mapper, compensator and a liquid crystal panel. The backlight is configured to output a first light having a first color during a first field and a second light having a second color during a second field. The mapper is configured to map an input image signal into first mapping data corresponding to the first light and second mapping data corresponding to the second light. The compensator is configured to compensate first mapping data on the basis of first DCC compensation data to generate first color output image data and to compensate second color mapping data on the basis of second DCC compensation data to generate second color output image data. The liquid crystal panel includes a transmissive sub-pixel configured to modulate the first light on the basis of the first color output data during a first field to display a first image having the first color and to modulate the second light on the basis of the second color output data during a second field to display a second image having the second color.
Patent KR-20170010217-A (KR)
Inventor: KIM JIN KI
IPC: H04R3/12
Filed: 2015-07-16
Abstract: 본 발명은 대기상태에서 발열을 최소화하고, 모든 음원에 대해 지속적인 최대출력을 유지할 수 있으며, 압축드라이버의 파손을 방지하고 수명을 늘릴 수 있는 어레이방식을 이용한 고출력 지향성 스피커의 음향제어시스템에 관한 것으로서, 입력되는 음원 아날로그신호를 디지털 신호로 변환하고, 펄스폭 데이터로 변조한 후 증폭하고 2채널의 아날로그 신호로 출력하는 디지털 앰프와; 상기 디지털앰프의 각 채널별로 개별적으로 연결되어 각 입력된 아날로그 신호를 출력하는 2개의 압축드라이버;를 포함하여 이루어지는 것을 특징으로 한다.
Patent KR-20160011590-A (KR)
Inventor: RYOU BYOUNG HOON
IPC: H01M50/51
Filed: 2015-07-21
Abstract: The present invention relates to a silicon secondary battery and, more specifically, to a solid silicon secondary battery having a solid electrolyte, and a manufacturing method thereof. According to the present invention, the silicon secondary battery reduces manufacturing costs, and minimizes environmental pollution when the secondary battery is discarded by replacing lithium of the secondary battery with silicon. Also, the silicon secondary battery increases current density and capacity by increasing density of positive or negative electrode active materials by laminating and compressing positive or negative electrode materials multiple times and manufacturing the positive or negative electrode active materials. Also, a mesh plate is embedded inside the positive and negative electrode active materials to efficiently move electrons. The electrodes of the silicon secondary battery connected in serial connection of the silicon secondary battery are commonly used, thereby reducing thickness and increasing output voltage of a silicon secondary battery assembly. Further, the silicon secondary battery is integrated with a PCB or a chip to supply power, thereby acting as a backup power for instantaneous discharge.
Patent KR-20160121354-A (KR)
Inventor: SONG IN HYUK
IPC: H01L29/739
Filed: 2015-07-28
Abstract: The purpose of the present disclosure is to provide a semiconductor device having a low on-resistance and an improved electrical characteristic, and a method of manufacturing a semiconductor device by which manufacturing costs can be lowered and a yield can be increased. The semiconductor device according to an embodiment of the present disclosure includes: a first region in which a first conductivity type part and a second conductivity type part are alternately disposed; a second region which is disposed on an upper section of the second conductivity type part, and on a portion of an upper section of the first conductivity type part, and has a second conductivity type with a doping concentration higher than that of the second conductivity type part; a gate insulation film disposed on the first conductivity type part and the second conductivity type part; and a gate electrode disposed on the gate insulation film. The second conductivity type part is an epitaxial layer, and the second region may be formed by an ion implant process and a diffusion process by using the gate electrode as a mask.
Patent KR-20170014714-A (KR)
Title: Locking Device For A Hollow Door
Inventor: JUNG YOUNG HO
IPC: E05B65/00
Filed: 2015-07-31
Abstract: The present invention relates to a locking device (1) for a hollow door, which includes: a locking latch (3) penetrating an edge surface (E) of an opening/closing end of a hollow door (D) assembled with a hollow block (B) and inserted into the hollow block (B); and a holder (5) coupled to the locking latch (3) to maintain the hollow door (D) in a closed state when the hollow door (D) is closed. The locking latch (3) includes: a hollow outer body (11) penetrating the edge surface (E), inserted and fixed to the inside of the hollow block (B); a locking metal (13) having a protruding end (23) protruding toward a front of the outer body (11); and a repulsive spring (15) for enabling the protruding end (23) to be attached to and detached from the holder (5) in a snap way when the locking metal (13) is coupled to or released from the holder (5). Therefore, when the door is completely closed, the locking latch of the door and the holder of the door frame are coupled to each other through snapping, so that the door is maintained at the complete closed position by simple operation.
Patent KR-20170015005-A (KR)
Title: Cordless charging apparatus
Inventor: KIM JAE KWANG
IPC: H05K7/20
Filed: 2015-07-31
Abstract: The present invention relates to a wireless charging apparatus charging a unit to be charged wirelessly, and more specifically, to a wireless charging apparatus which is moisture-proof and dust-proof. The wireless charging apparatus according to an embodiment of the present invention comprises: an upper cover which is a cover form; an upper buffering member attached to the inside of the upper cover; a lower cover which is coupled to the upper cover to form a certain inner space; a lower buffering member attached to the inside of the lower cover; and a transmission coil for a wireless charge which is interposed between the upper buffering member and the lower buffering member. At least one first ventilation route is formed in the upper buffering member or the lower buffering member.
Patent KR-20170016610-A (KR)
Title: 데이터베이스를 활용한 메뉴얼화 된 외식업 매장별 설비정보 제공 시스템
Inventor: KWON BYUNG JU
IPC: G06Q50/12
Filed: 2015-08-04
Abstract: 본 발명은 데이터베이스를 활용한 메뉴얼화 된 외식업 매장별 설비정보 제공 시스템에 관한 것으로, 인터넷으로부터 외식업 업종사항을 사용자에게 제공하고, 상기 입력사항 중에 선택된 설정데이터를 인터넷으로 전송하는 사용자 시스템; 및 상기 인터넷을 통하여 상기 사용자시스템에 연결되고, 상기 외식업 업종별 입력사항 정보가 구비된 데이터베이스를 구축하며, 상기 인터넷을 통하여 상기 사용자시스템에 외식업 업종별 필요한 설비류 사항을 전송하고, 상기 사용자에 의해 선택된 상기 설정 데이터를 제공받아 상기 설정데이터에 의해 발생하는 필요설비를 생성하여 상기 사용자시스템으로 전송하는 정보제공서버를 포함하여 이루어진 것을 특징으로 하는 온라인 매뉴얼화된 데이터베이스를 활용한 매장별 설비제공 시스템이 소개된다.
Patent KR-20150094578-A (KR)
Inventor: CHOI HYUNG RIM
IPC: G06K19/00
Filed: 2015-08-04
Abstract: The present invention relates to a system for operating a container electronic sealing device and an operating method thereof and, more particularly, to a system for operating a container electronic sealing device and an operating method thereof, capable of remotely controlling the sealing of a container door by applying NFC. The present invention provides the system for operating the container electronic sealing device which includes the container electronic sealing device which includes a body part and a locking unit which unlocks the container door through the control signal of a driving control unit formed in the body part, and a server which transmits and receives data. The server includes an information transmission and reception interface unit, an information encoding and decoding unit, an information analyzing unit, a previous NFC tag matching unit, a transmission information packet generating unit, a state setting unit, and a manager interface unit.
Patent KR-20170018239-A (KR)
Title: 플립 타입 질화물 반도체 발광 소자 및 그 제조 방법
Inventor: KIM DONG WOO
IPC: H01L33/46
Filed: 2015-08-07
Abstract: 플립 타입 질화물 반도체 발광 소자 및 그 제조 방법에 대하여 개시한다. 
본 발명에 따른 플립 타입 질화물 반도체 발광 소자는 기판 상에 차례로 적층 형성된 제1 도전형 질화물층, 활성층 및 제2 도전형 질화물층을 갖는 발광구조물; 상기 발광구조물의 제2 도전형 질화물층 상에 차례로 적층 형성된 반사층 및 금속 확산 장벽층; 상기 발광구조물과 전기적으로 연결되며, 상기 발광구조물의 중앙 부분을 제외한 가장자리를 둘러싸도록 형성된 제1 본딩 패드; 상기 제1 본딩 패드에 전기적으로 접속되며, 상기 발광구조물의 일측에 형성된 제1 범프; 및 상기 반사층 또는 금속 확산 장벽층에 전기적으로 접속되며, 상기 발광구조물의 타측에 형성된 제2 범프;를 포함한다.
Patent KR-20150099696-A (KR)
Inventor: JEON SOO KUN
IPC: H01L33/22
Filed: 2015-08-11
Abstract: The present invention relates to a semiconductor light emitting diode. The semiconductor light emitting diode is characterized by comprising: a first reflection layer formed in the opposite side of an active layer with respect to a first semiconductor layer for reflecting light generated in the active layer; and a second reflection layer formed in the opposite side of the active layer with respect to a second semiconductor layer for reflecting the light generated from the active layer. A lateral light-extraction enhancer, which changes a light path generated from the active layer, and is composed of a transparent material, is formed in the semiconductor light emitting diode.
Patent KR-20170019958-A (KR)
Title: 해상 구조물의 접안 장치
Inventor: YEUN DONG YUN
IPC: B63B43/18
Filed: 2015-08-13
Abstract: 본 발명은 해상 구조물의 접안 장치에 관한 것으로, 본 발명에 따른 해상 구조물의 접안 장치는 해상 구조물의 선체; 및 일부가 상기 선체에서 돌출되고, 상기 해상 구조물에 접안을 하는 선박이 상기 해상 구조물의 내부로 진입하는 통로를 제공하고, 상기 선박을 안내하는 접안 가이드 구조물을 포함한다.
Patent KR-20170019972-A (KR)
Title: 에너지 저장 시스템 및 이를 이용하는 배터리 제어 방법
Inventor: YUN HAN SEOK
IPC: G01R31/36
Filed: 2015-08-13
Abstract: 에너지 저장 시스템 및 이를 이용하는 배터리 제어 방법이 개시된다. 본 발명의 일 실시예에 따른 에너지 저장 시스템은, 적어도 하나 이상의 배터리 셀을 포함하는 배터리를 포함하며, 상기 배터리를 발전 시스템 또는 계통의 전력에 선택적으로 연계하여, 부하 또는 상기 계통에 전력을 선택적으로 공급하는 에너지 저장 시스템으로서, OCV 산출 조건이 조성되면 상기 배터리의 개방회로전압(Open Circuit Voltage)을 산출하는 OCV 산출부, 상기 개방회로전압이 산출된 최근 시점으로부터 경과한 시간을 카운팅하는 제어부, 상기 경과한 시간이 제1 시간보다 길거나 같은 경우 상기 OCV 산출 조건을 조성하는 전력 변환 시스템 및 상기 OCV 산출부에서 산출된 상기 배터리의 개방회로전압에 대응하는 SOC(State Of Charge)를 추정하는 SOC 추정부를 포함한다.
Patent KR-20170022675-A (KR)
Inventor: NAM KEE SOO
IPC: G03F1/00
Filed: 2015-08-21
Abstract: 본 발명에 따른 그레이톤 포토마스크는 투명 기판이 노출된 투광부, 차광성막 패턴이 형성된 차광부 및 반투과막 패턴이 형성된 반투광부를 포함하고, 상기 반투과막 패턴은 상기 투명 기판 상에 형성된 반투과막을 식각하여 형성하며, 상기 반투과막 패턴은 1Å/sec ∼ 30Å/sec의 식각 속도를 갖는다.  
본 발명은 반투과막의 식각 속도를 최적화함으로써 패턴 밀도에 따른 로딩 효과 및 기판의 대면적화에 대응하여 투명 기판 전체에 형성되는 반투과막 패턴들의 임계 치수 균일도 및 정밀도를 향상시킬 수 있다.
Patent KR-20170024424-A (KR)
Inventor: YOO MOO YOUNG
IPC: A46B9/04
Filed: 2015-08-25
Abstract: 본 발명은 전동칫솔에 관한 것으로, 경사진 칫솔모가 반복적으로 진동하여 칫솔모의 끝이 치아에 닿은 후 이동하면 치아와 치아 사이를 칫솔모의 끝이 꺾이면서 쓸어내리는 칫솔질을 할 수 있도록, 칫솔모가 경사지게 식모된 헤드부와, 상기 헤드부가 끝단에 설치되어 있고 중심축이 설치된 칫솔대와, 상기 칫솔대의 타단에 설치되어 중심축을 중심으로 칫솔대가 동작되도록 하는 구동부와, 상기 구동부가 수납되고 중심축을 잡아주며 헤드부가 외부로 노출되도록 설치되는 몸체부로 이루어져, 상기 구동부가 작동하면 중심축을 중심으로 헤드부가 반복적으로 진동되어 칫솔질을 하도록 하여, 이물질 제거뿐만 아니라 치석제거 및 잇몸 마사지를 할 수 있는 효과가 있다.
Patent KR-20170024751-A (KR)
Title: TiO2/Ag/TiO2 다층박막 구조를 갖는 플렉시블 투명 전극 및 그 제조방법
Inventor: KIM JUN HO
IPC: C23C14/18
Filed: 2015-08-26
Abstract: 본 발명은 TiO 2 /Ag/TiO 2  다층박막 구조를 갖는 플렉시블 투명 전극에 관한 것으로서, 더욱 구체적으로는, Ag 금속층; 및 상기 Ag 금속층의 상면 및 하면에 각각 적층된 TiO 2 층을 포함하는 플렉시블 투명 전극으로서, 상기 Ag 금속층의 두께는 11 nm 내지 25 nm이며, 상기 TiO 2 층의 두께는 20 nm 내지 80 nm인 것을 특징으로 하는 플렉시블 투명 전극에 관한 것이다. 
본 발명에 따르면, 종래 ITO 전극에 비견할 만한 높은 투과도를 지니면서도, 낮은 면저항값을 갖고, 상온 증착 공정에 의해서 제조되어 고온 열처리가 필요 없이 폴리머 기판에 그대로 제조가 가능한 플렉시블 투명전극을 제공할 수 있다.
Patent KR-20160028969-A (KR)
Inventor: OHISHI KIYOSHI
IPC: H02P21/14
Filed: 2015-09-01
Abstract: Disclosed is a control apparatus which controls a motor driving a vibration type speed reducer having a vibration type gear which includes one or more holes formed on eccentric positions. The control apparatus comprises: an angle acquisition unit to acquire input information about an input rotation angle indicating a rotation angle of the motor; an estimation unit to estimate an angle error between the input rotation angle and an output rotation angle indicating a rotation angle of the vibration type speed reducer based on the number of the holes; and a correction unit to determine a compensation current value according to the angle error, and to set an intensity of a current supplied to the motor by correcting a command current value by using the compensation current value.
Patent KR-20170027385-A (KR)
Inventor: KIM YOUNG CHOON
IPC: H02K15/02
Filed: 2015-09-02
Abstract: The present invention relates to an automatic motor stator assembly apparatus and a manufacturing method thereof. More specifically, the automatic motor stator assembly apparatus bends an end of a coil wound around a stator coil with a three-phase power line and a ground line and automates an insertion process of inserting a band fixing the three-phase power line and ground line. The automatic motor stator assembly apparatus includes: a circular stator shaping and wire cutting unit (10) which is mounted on the upper end of a main frame (40), shapes stators arranged in series in a cylindrical shape, and cuts the ground line (4); a stator fixer (20) which is in the shape of a turntable and includes a stator holder (80) for fixing the stators; bending units (30) which are arranged on the outer peripheral surface of the stator fixer (20) at predetermined intervals and bends the contact line (40) of the stators (70) while collecting the ground line (5) and the three-phase power line (6); a band inserting unit (50) which inserts a band (73) fixing the three-phase power line (6) and the ground line (5) of the stators (70); and a controller (60) which controls each of the configuration elements (10, 20, 30, 40, and 50) and displays the current operation state. The present invention can automate the manual work of bending the stator contact line to reduce the defect rate and enhance work efficiency.
Patent KR-20170027494-A (KR)
Title: Photocurable and cationic polymerizable adhesive composition
Inventor: LEE SEUNG WOO
IPC: C09J7/02
Filed: 2015-09-02
Abstract: The present invention relates to a photocurable and cationic polymerizable adhesive composition comprising a cellulose compound represented by chemical formula a, thereby providing improved adhesive force and bending properties.
Patent KR-20170028036-A (KR)
Title: 그래핀 복합 금속와이어 및 그의 제조방법
Inventor: KIM HYEONG KEUN
IPC: H01B1/02
Filed: 2015-09-03
Abstract: 미세선이면서도 고강도이면서 경량화되어 고전도 특성의 신뢰성이 향상된 그래핀 복합 금속와이어 및 그의 제조방법이 개시된다. 본 발명에 따른 그래핀 복합 금속와이어는 구리합금 와이어를 포함하는 금속와이어 및 금속와이어의 표면에 형성된 그래핀층을 포함한다.
Patent KR-20170028502-A (KR)
Title: 병원균 감염을 막는 에어커튼
Inventor: SEUNG YONG SEONG
IPC: A61G10/00
Filed: 2015-09-03
Abstract: 본원발명은 병원균 감염을 막는 에어커튼에 관한 것으로 상세하게는 의료인들과 환자들 사이의 공간을 차단하여 의료인들의 병원균 감염을 차단하는 장치에 있어서, 에어콤프레샤와, 상기 에어콤프레샤의 일단이 외면 일측의 제1공기 주입구에 연결되고, 하면 일측에 제1공기 배출구가 뚫려 있는 내부가 빈 상자 형상의 몸체 및, 상기 몸체의 내부에 설치되어 상기 제1공기 배출구로 배출되는 공기를 정화시키는 공기필터로 구성되되, 상기 몸체가 환자 또는 의료인 주위에 설치된 후 상기 에어콤프레샤의 작동으로 인해 상기 몸체로부터 뿜어져 나오는 정화된 공기로 상기 환자와 의료인 사이의 공간을 차단하여 의료인이 병원균에 감염되는 것을 방지한다. 
본원발명은 의료인들과 환자들 사이의 공간을 에어커튼으로 차단하는 방법으로 의료인들이 환자들 진찰시 환자로부터 감염되는 것을 철저히 차단할 수 있는 장점이 있다.
Patent KR-20170030274-A (KR)
Title: Fan module for electronic component
Inventor: CHUN JANG SUNG
IPC: H05K7/20
Filed: 2015-09-09
Abstract: The present invention relates to a fan module for an electronic component. The fan module for an electronic component comprises: a first driving unit; a first fan rotated by the first driving unit; a second driving unit; a second fan coaxially arranged with the first fan, and rotated by the second driving unit in the opposite direction of the first fan; and an integrated control unit for integrally controlling the first driving unit and the second driving unit. The fan module for an electronic component can simplify a structure, can reduce power consumption, and can be easily controlled.
Patent KR-20170030939-A (KR)
Inventor: PARK YOUNG HOON
IPC: F16C33/04
Filed: 2015-09-10
Abstract: According to the present invention, disclosed is an exhaust gas recirculation (EGR) valve including a floating bushing. According to one embodiment of the present invention, the EGR valve vertically operates a valve (152) installed in a shaft (151) when the shaft (151) is vertically moved, so as to open/close an inlet passage and an outlet passage of exhaust gas. The EGR valve comprises: a base (110) having a vertical shaft moving penetration hole (111); the bushing (120) installed between the vertical shaft moving penetration hole (111) and the shaft (151), and made of a flexible material having elasticity of a predetermined magnitude; and an elastic member (130) installed inside the EGR valve (100) and to pressurize an upper surface of the bushing (120) downwards. According to the present invention, an EGR valve including a structure capable of minimizing the amount of leak while absorbing cumulative allowances without raising processing accuracy can be provided.