baber/WOPTO huggingface dataset:
Patent KR-20070075896-A (KR)
Title: Piston for linear compressor
Inventor: KANG KYOUNG SEOK
IPC: F04B35/04
Filed: 2006-01-16
Abstract: A piston for a linear compressor is provided to reduce abrasion loss by forming multi-step abrasion member support structure and reducing contact area of the abrasion member, and to prevent abrasion concentration on a part of abrasion member by dispersion of load. A piston for a linear compressor linearly reciprocating a piston inside a cylinder, and discharging refrigerant after suctioning the refrigerant into compression space formed therebetween comprises a movement member(54) and an abrasion member(55a, 55b, 55c). The movement member is formed to have a smaller outer diameter than an inner diameter of the cylinder. The abrasion member is formed on an outer surface of the movement member so that an outer circumferential surface is abrasion-contacted with an inner circumferential surface of the cylinder, and is formed to distribute a weight center of axial direction of the movement member.
Patent KR-20070076688-A (KR)
Title: Catalyst for olefin polymerization and polymerization method using the same
Inventor: PARK SO YOUNG
IPC: C08F4/12
Filed: 2006-01-19
Abstract: A catalyst for olefin polymerization is provided to produce poly-alpha-olefin polymers having excellent melt flow and high stereoregularity in a high catalytic efficiency and good workability. The catalyst for olefin polymerization comprises: a transition metal compound including an element that belongs to group 14, group 15, or group 16 on the periodic table; an organometallic compound including an element that belongs to group 12 or group 13 on the periodic table; and an organic silane compound of the following chemical formula 1. In the chemical formula 1, R1, R2, and R3 each is independently a hydrogen, substituted or unsubstituted C1-20 alkyl group, substituted or unsubstituted C1-20 alkoxy group, or substituted or unsubstituted C5-30 cycloalkyl group, R4, R5, and R6 each is independently a hydrogen, substituted or unsubstituted C1-20 alkyl group, substituted or unsubstituted C1-20 alkoxy group, or substituted or unsubstituted C5-30 cycloalky group.
Patent KR-20070076812-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: KANG MYUNG HEE
IPC: H01L21/335
Filed: 2006-01-20
Abstract: A method for manufacturing a semiconductor device is provided to prevent the overlap of lengths of gates and to lower doping concentration in a halo ion implantation process by forming a shallow junction region and securing an effective channel length. A semiconductor substrate(10) is etched to form a groove(60). A channel ion implantation is performed on a surface of the substrate where the groove is formed. A gate(110) is formed on the groove. A halo ion implantation is performed on the resultant substrate structure where the gate is formed. A spacer(120) is formed on both sidewalls of the gate. A source/drain region(130) is formed in the surface of the substrate at both sides of the gate including the spacer. An interlayer dielectric(140) is formed on the entire surface of the substrate to cover the gate. The interlayer dielectric is etched to form a contact hole(150) exposing the gate and the source/drain region of the substrate. An LDD(Lightly Doped Drain) region(160) is formed in the source/drain region.
Patent KR-20070077305-A (KR)
Title: Coupler for window frame which interposes reinforcement body and the structure of windows using the same
Inventor: KIM JUNG RYOUL
IPC: E06B3/96
Filed: 2006-01-23
Abstract: A coupler for a window frame having interposed reinforcement body and a window structure using the same are provided to achieve the structure of windows having improved wind resistance by inserting the reinforcement body into the coupler and coupling the inserted reinforcement body to a reinforcement body of the window frame. A coupler(100) for a window frame, which connects a horizontal frame to a vertical frame, comprises a hollow section and at least one piece hole(109). Openings(103) are formed in the direction in which the horizontal frame is connected to the vertical frame. The openings(103) are communicated with each other to form the cavity section in the coupler(100). The piece hole(109) is formed by passing thorough the central portion of a surface, through which the horizontal frame is connected to the vertical frame, and a rear section of the coupler(100).
Patent KR-20070080292-A (KR)
Title: Method for controlling the operation of air conditioner with touch screen
Inventor: PARK SANG BAE
IPC: F24F11/02
Filed: 2006-02-07
Abstract: An air conditioner with a touch screen is provided to allow users not to use unnecessary buttons by mounting a touch screen. An operation control method of an air conditioner with a touch screen comprises the steps of touching a predetermined position of the touch screen so as to select a function button necessary for operation control of the air conditioner and selecting the button(S10), recognizing a coordinate of the predetermined position and outputting a decoding processed signal(S11), receiving the decoding processed signal and performing an order corresponding to the function button(S13), and displaying data information performed by the order to the display unit(S15).
Patent KR-20070082686-A (KR)
Title: Filter and plasma display apparatus having the same
Inventor: KIM JI SUK
IPC: G02B5/20
Filed: 2006-02-17
Abstract: A filter and a plasma display device having the same are provided to decrease a double image by directly attaching the filter on the front side of a display panel and to reduce weight by using a thin base film. A filter(10) is composed of a black bead layer having a plurality of black beads(11b) and a black matrix layer having plural colored pattern units(71) disposed at the front or rear side of a space formed between the black beads. The black bead is contained in a transparent bead(11a) and positioned at a coating layer(12). The volume of the black bead is 3.0~80.0% of the outer volume of the transparent bead. The average diameter of the transparent bead is 3.0~30.0mum.
Patent KR-20070083303-A (KR)
Title: Electric parking brake and control method thereof
Inventor: HYUN MYUNG HWA
IPC: F16D65/18
Filed: 2006-02-17
Abstract: An electric parking brake and a control method thereof are provided to prevent a vehicle from being pushed rearward when the vehicle is stopped on an incline with a simple structure and an easy manipulation. The stop state of a vehicle on the slop and the operation of an engine are determined(S61,S62). A braking operation is performed by operating an actuator when the engine is operated, and the vehicle is stopped on the slop(S64). The braking by the actuator is released when an acceleration pedal of the vehicle is operated in a state in which the braking is achieved by the actuator(S65,S66). The stop state of a vehicle on the slop is determined in a state in which the engine of the vehicle is operated. The braking by the actuator is released when the vehicle is not stopped on the slop and is not in a stop state.
Patent KR-20060095467-A (KR)
Inventor: OZAWA KINYA
IPC: G02F1/1335
Filed: 2006-02-22
Abstract: 본 발명은 광의 이용 효율을 향상시키는 동시에 광(廣)시야각을 가져서, 우수한 시인성을 발휘할 수 있고, 신뢰성이 우수한 액정 장치를 제공하고, 또한, 상기 액정 장치를 구비한 전자기기를 제공하는 것을 과제로 한다. 
     본 발명의 액정 장치는 서로 대향하는 한 쌍의 기판 사이에 액정층이 삽입되어, 1개의 화소 영역 내에 적색 표시 영역, 녹색 표시 영역 및 청색 표시 영역을 가지고, 상기 액정층은 전장의 비인가시에는 광학적으로 등방성이고, 전장의 인가시에는 광학적으로 비등방성이며, 전장의 세기에 따라 굴절율이 변화하는 의사등방성 액정 재료로 구성되는 것이며, 전장의 세기가 적색 표시 영역, 녹색 표시 영역, 청색 표시 영역의 순으로 약하게 되도록 구성되어 있는 것을 특징으로 한다. 
       
     광시야각, 의사 등방성 액정 재료, 액정 장치
Patent KR-20070050332-A (KR)
Inventor: LEE JUNG SUB
IPC: H04N5/21
Filed: 2006-02-22
Abstract: 본 발명은 반자동 노이즈 제거용 분기기에 관한 것으로서, 상기 반자동 노이즈 제거용 분기기는, 케이블 티브이 방송국으로부터 송출되는 하향 방송신호를 가입자단에 전송하고, 상기 가입자단으로부터 입력되는 상향 데이터신호를 케이블모뎀 전송시스템으로 전송하는 케이블 티브이 전송망에 사용되는 분기기에 있어서, RF신호가 동축 케이블을 통해 입출력되는 입력단과, RF신호가 동축 케이블을 통해 입출력되는 출력단과, 상기 입력단과 상기 출력단 사이에서 분기하여, 상기 입력단을 통해 입력되는 하향 방송신호를 적어도 하나 이상의 동일한 레벨의 하향 방송신호로 분기하여 출력하고, 입력되는 적어도 하나 이상의 상향 데이터신호를 결합하여 상기 입력단을 통해 출력하는 분기회로와, 하향 방송신호를 입력받아 적어도 하나 이상의 일정한 레벨의 하향 방송신호로 분배하여 출력하고, 입력되는 적어도 하나 이상의 상향 데이터신호를 결합하여 상기 출력하는 적어도 하나 이상의 커플러가 계층구조로 연결되어 분기 되는 분배회로와, 상기 가입자단과 인입선 케이블로 연결되어 상기 분배회로로부터 출력되는 하향 방송신호를 상기 가입자단으로 출력하며, 상기 가입자단으로부터 입력되는 상향 데이터신호를 상기 분배회로로 출력하는 복수의 인입선단자와, 상기 분기회로와 상기 분배회로 사이에 위치하여, 전원이 공급되는 경우 상기 분배회로로부터 출력되는 상향 데이터신호를 패스하는 단순접점 릴레이 및 외부 리모컨에 연결되며, 상기 외부 리모컨으로부터 전원을 공급받아, 상기 외부 리모컨의 제어에 따라 상기 단순접점 릴레이에 전원을 공급하는 리 모컨 연결단자를 포함하는 것을 특징으로 하는 반자동 노이즈 제거용 분기기이다. 
     본 발명에 따르면, 노이즈 발생위치를 찾는데 많은 시간을 줄일 수 있을 뿐만 아니라, 방송 및 인터넷 장애를 최소화하여 가입자에게 대한 피해를 최소화할 뿐만 아니라 불필요한 시간과 인건비를 최소화할 수 있다는 장점이 있으며, 또한, 전원공급을 전송망의 전원에서 공급받지 않고 사용함으로써 낙뢰 또는 서지 과전압에 의한 문제가 발생되지 않으며, 전송망의 전류를 최소화하여 전송망의 안전성을 확보할 수 있다는 장점이 있다. 
       
     분기기, 분배기, 노이즈 제거, 릴레이, 케이블 전송망
Patent KR-20070089425-A (KR)
Title: Method, system and apparatus for transmitting audio data by using supplementary information for use in multimedia ring back tone alternative service
Inventor: PARK SEONG SOO
IPC: H04W72/14
Filed: 2006-02-28
Abstract: An apparatus, a system and a method for transmitting data by using additional information in an RBT alternative service are provided to separately apply audio CODEC(Coder/Decoder) and voice CODEC in supplying the RBT alternative service, thereby providing high quality RBT alternative service. A method for transmitting data by using additional information in an RBT alternative service comprises the following steps of: generating a plurality of audio frames by encoding an RBT alternative sound source through an audio CODEC(S910); performing voice source framing work and generating a plurality of voice source frames(S920,S930); confirming whether a part of the header of a specific audio frame is included(S940); moving the part of the header to the next voice source of the specific audio frame(S950); generating header movement information(S960); and inserting the header movement information into a dummy field of the time slot(S970).
Patent KR-20070092791-A (KR)
Title: Method for preparing a drink with red ginseng and vinegar
Inventor: JUNG JUNG RYE
IPC: A23L2/38
Filed: 2006-03-09
Abstract: A method of manufacturing a drink containing red ginseng and vinegar by mixing herbal extract of Acanthopanax root bark and Polygonatum root with ginseng granules, persimmon vinegar and oligosaccharide is provided. The drink has improved palatability such as a taste, flavor and the like and helps improve health such as obesity prevention, fatigue recovery, stress reduction, skin cosmetic and calcium absorption. First, 3 to 10g licorice root, 5 to 15g Acanthopanax root bark and 5 to 15g Polygonatum root are mixed with 1L water, extracted at 70 to 90deg.C for 1 to 5hr and filtered. Second, 1L herbal extract is mixed with 5 to 15g red ginseng granule, 20 to 25g persimmon vinegar and 10 to 20g oligosaccharide, allowed to settle at -1 to 5deg.C for 2 to 5hr and then centrifuged. The packaged supernatant is heated at 80 to 90deg.C for 0.5 to 1hr in a steam-jacketed kettle. The oligosaccharide is selected from fructo-oligosaccharide, isomalto-oligosaccharide, galacto-oligosaccharide, malto-oligosaccharide, soybean oligosaccharide and xylo-oligosaccharide.
Patent KR-20070050751-A (KR)
Inventor: KIM EUN AH
IPC: H04L29/02
Filed: 2006-03-14
Abstract: 미디어 독립 핸드오버(Media Independent Handover, MIH)를 위한 서비스를 제공하는 장치 및 방법가 개시된다. 
     제1 노드는 제2 노드가 제1 계층을 통해 서비스를 지원하는 지 여부에 대한 정보와 제2 노드가 제2 계층을 통해 서비스를 지원하는 지 여부에 대한 정보를 포함하는 MIH 능력 탐지 메시지를   제2 노드로부터 수신하고, 제1 계층과 제2 계층 중에서 상기 서비스를 제공하기 위한 계층인 서비스 제공 계층을 선택한다. 그리고 나서 제1 노드는 서비스 제공 계층을 통해 제2 노드에 서비스를 제공한다. 
     이로써 제1 노드는 제2 노드의 MIH 능력을 용이하게 파악할 수 있기 때문에 MIH를 효과적으로 수행할 수 있다. 
       
     MIH, IEEE 802.21, Handover
Patent KR-20070094124-A (KR)
Title: Stand lighting having contact-less charging means
Inventor: KIM YEON JUNG
IPC: H02J7/00
Filed: 2006-03-16
Abstract: A stand lighting is provided to reduce manufacturing cost, to facilitate arrangement of a power cable, and to reduce an occupied space inside a room by integrating the contactless charging device with the stand lighting. A stand lighting having a contactless charging device includes a lighting lamp(101), a support(107), a stand(108), and a charging unit. The support(107) supports the lighting lamp(101). The stand(108) is installed at the lower part of the support(107), and provides a base surface for a charged unit with a power receiving coil. The charging unit has a feeding coil(105) which is installed at the lower part of the base surface of the stand(108) and generates a magnetic flux generating a induced electromotive force to the power receiving coil when supplying power.
Patent KR-20070095633-A (KR)
Title: Indoor unit of air conditioner
Inventor: YANG SEUNG HOON
IPC: F24F1/00
Filed: 2006-03-22
Abstract: An indoor unit of an air conditioner is provided to allow a front panel and a frame panel to be minimally exposed to the outside by locating outside edge of a frame base in an inner side of a transparent plate consisting a frame panel, and to minimize thickness formed by the front panel and the frame panel by allowing the frame base to be tightly adhered to inside edge of the front panel. An indoor unit of an air conditioner comprises a front panel(20) and a frame panel(30). The frame panel is spaced by predetermined distance from the front panel, and moved with respect to the front panel while being relatively moved. The frame panel includes a frame base connected to the front panel. Edge of the frame base is located in an inner side of outside edge of the front panel and the frame panel.
Patent KR-20060033763-A (KR)
Inventor: CHANG SI YOUNG
IPC: H04Q9/00
Filed: 2006-03-30
Abstract: 본 발명은 티브이 방송에서의 프로그램정보를 활용하여 선호하는 채널을 선택하고, 이를 개인별 즐겨보기 방송정보로서 저장하고 활용하는 것으로서, 하나의 티브이나 녹화기록장치를 조작할 수 있는 리모컨을 복수로 준비하고 각각의 리모컨을 고유인식번호로서 인식하고, 각 리모컨 마다 지정된 사용자의 개별적인 프로그램정보와 즐겨보기 방송 정보를 저장 관리하고 이를 응용하여 대상 기기를 조작하도록 하는 것으로서, 각자의 방송시청 습관에 따라 즐겨보기 방송에 대한 프로그램정보가 구축되어 방송채널의 선택이나 녹화가 개별로 수행되도록 하는 것을 특징으로 하는 것이다. 
       
     리모컨, 티브이, 녹화기록장치, 방송 프로그램 정보, 즐겨보기 방송, 녹화기록, 자동채널선택, 개별녹화정보
Patent KR-20060037298-A (KR)
Inventor: LIM KYU SOO
IPC: A61N2/00
Filed: 2006-03-31
Abstract: 양(+), 음(-)의 전선(3)(3')에 양음 전기봉(a)(b)으로된 다수개의 전기봉 쌍(1)(1')...을 연결하고, 상기 전기봉 쌍의 양음 전기봉(a)(b) 상부측면에 평행으로 도체판(9)(9')을 각각 용접한 다음, 상기 도체판중 어느 하나의 도체판(9')내측에는 절연판(8)을 부착한 후, 상기 나머지 도체판(9)과 절연판(8)사이에 육면체 자석(2)의 N, S극이 접하도록 부착, 고정하고, 상기 전선(3)(3')은 배터리(5)와 연결하며, 그 전선 일정위치에는 스위치(7)와 펄스증폭기(4) 및 발광다이오드(6)를 각각 연결한 것으로 구성된 자석과 전기에 의한 발모 촉진기이다.
Patent KR-20070098271-A (KR)
Title: Plasma display apparatus
Inventor: BANG WON KYU
IPC: H01J11/46
Filed: 2006-03-31
Abstract: A plasma display device is provided to improve a grounding structure and to prevent ground failure by positioning a grounding structure at a chassis part corresponding to an internal region of a lower plate. A front case(1) includes a window. A rear case(2) is coupled with the front case in order to form an internal space. A plasma display panel(3) is disposed in the inside of the internal space and is formed with an upper plate and a lower plate overlapped with the upper plate. A chassis(5) is coupled with the plasma display panel. A printed circuit board is disposed in the chassis. A plurality of circuits for driving the plasma display panel are formed in the printed circuit board. A filter(9) is installed in front of the plasma display panel. A grounding structure(7) is formed to connect electrically the filter and the chassis to each other. A signal transfer member(8) is formed to transfer electrical signals to the plasma display panel. A grounding position of the grounding structure connected to the chassis is positioned at a chassis part corresponding to an internal region of the lower plate.
Patent KR-20070101929-A (KR)
Title: Liftable seat of vehicles
Inventor: LAUX ANDRE
IPC: B60N2/32
Filed: 2006-04-12
Abstract: A liftable seat of a vehicle is provided to provide a working place where a user puts arms, a lap-top computer or a notebook computer and performs works by being lifted in a folded state. A liftable seat of a vehicle includes: a base frame(110); a seat cushion frame(120) located above the base frame and provided with a cushion where a passenger sits; a back seat frame(202) connected to the seat cushion frame so as to be forwardly folded and combined with a cushion supporting a back of the passenger; and a lifting member(300) whose one end is connected to the base frame and other end is connected to the seat cushion frame and moving the seat cushion frame to a lifting position upwardly from an non-lifting position.
Patent KR-20070102895-A (KR)
Title: Case of pixel enhancement device
Inventor: YUN GI TAK
IPC: G03B21/14
Filed: 2006-04-17
Abstract: A case of a pixel enhancement device is provided to assemble and disassemble an actuator, a pixel enhancement device, when the actuator is needed to be adjusted or replaced after an engine case is assembled. A case of a pixel enhancement device includes a body(200), a cover(100), and a coupling member(310). A light transmissive window is formed on one side of the body and an opening is formed on another side of the body. A coupling section is formed in the cover to cover the opening formed in the body. An actuator mounting section to which an actuator is mounted is provided in the coupling section. The coupling member connects the body and the cover with each other. The actuator mounting section includes a support body, an extension section, and a coupling boss.
Patent KR-20070103875-A (KR)
Title: Method and apparatus for replaying data
Inventor: HA SANG WOO
IPC: G11B7/0065
Filed: 2006-04-20
Abstract: Method and apparatus for reproducing data are provided to enhance data reproduction rate by outputting consecutive signals by an image sensor during the change of incidence angles of reference light and rotation of a recording medium, and reading out data from the consecutive signals. A method for reproducing data comprises the steps of: irradiating light in a predetermined zone of a recording media while changing incidence angles of reference light(S51); outputting consecutive signals from a plurality of light receiving elements respectively based on the light diffracted by the recording medium(S53); and reading data from the signals that are consecutively outputted from the light receiving elements(S54,55).
Patent KR-20070104697-A (KR)
Title: System for generating combined energy
Inventor: KOO DONG HOI
IPC: C25B1/04
Filed: 2006-04-24
Abstract: A composite energy generating system is provided to utilize a part of electrical energy generated by operating a brown gas engine as power for a brown gas generator, and utilize exhaust gas from the brown gas engine and heat generated from a brown gas generator as high temperature water. A composite energy generating system includes a unit for cooling and storing brown gas; and an electrical energy generating unit for generating electrical energy from the brown gas stored in the unit for cooling and storing the brown gas. The composite energy generating system stores electrical energy generated from the electrical energy generating unit, and supplies electrical energy as power for a brown gas generator(10) such that the brown gas generator continuously generates brown gas.
Patent KR-20070111152-A (KR)
Title: Apparatur for treating substrate
Inventor: CHU CHANG WOONG
IPC: H01L21/304
Filed: 2006-05-17
Abstract: A substrate processing apparatus is provided to reduce surface roughness of a substrate by performing a chemical vapor deposition process or a dry-etch process. A chamber(10) includes a plasma generating space part for generating plasma by using electric field, and a plasma reaction space part for plasma reaction. An electric field forming member(20) is formed in the plasma generating space part in order to form the electric field. A substrate loading part(15) is formed in the plasma reaction space part. A gas supply unit(30) is connected to the plasma generating space part in order to supply gas to the plasma generating space part. A gas exhaust unit(40) is connected to the plasma generating space part in order to exhaust the gas. The electric field forming member is formed in the plasma generating space part and includes at least a pair of electrodes.
Patent KR-20070112561-A (KR)
Title: Wafer back grinding apparatus having color sensor
Inventor: OH JOUNG MIN
IPC: H01L21/304
Filed: 2006-05-22
Abstract: A wafer backside polishing apparatus having a color sensor is provided to prevent a burning defect of the wafer by detecting a color of the wafer which is completed with the backside polishing. A plurality of chuck tables(32a,32b,32c,32d,32e) absorb a front surface of the wafer(20). A plurality of grinders(33a,33b,34) polish the backside of the wafer by positioning on at least one chuck table. A color sensor(35) verifies a polishing state of the backside of the wafer by detecting the color of the wafer backside on which the backside polishing is completed. The color sensor is installed at upper parts of the chuck tables adsorbing the wafer of which a rear surface has been polished.
Patent KR-20070054077-A (KR)
Inventor: LEE GIL SOO
IPC: H04W4/12
Filed: 2006-05-23
Abstract: 본 발명은 통화중 메시지를 전송하는 방법 및 장치에 관한 것이다. 상기 방법은 발신측 교환기로부터 제1 호 접속 요청 신호를 수신하는 단계-여기서 제1 호 접속 요청 신호는 발신 단말이 착신 단말로 호 연결을 위하여 발신측 교환기로 전송한 셋업 신호에 상응하는 것임-; 제1 호 접속 요청 신호에 상응하여 착신측 교환기로 제2 호 접속 요청 신호를 전송하는 단계; 착신측 교환기로부터 제2 호 접속 응답신호에 대한 응답으로 제1 호 접속 응답 신호를 수신하는 단계; 제1 호 접속 응답 신호에 상응하여 발신측 교환기로 제2 호 접속 응답 신호를 전송하는 단계-여기서 발신 단말 및 착신 단말은 제1 호 접속 응답 신호 및 제2 호 접속 응답 신호에 의해 형성된 통화로를 이용하여 통화를 수행함-; 발신 단말과 착신 단말과의 통화중, 발신 단말로부터 DTMF 신호를 수신하는 단계; 및 DTMF 신호에 상응하는 메시지를 착신 단말로 전송하는 단계를 포함한다. 
       
     통화중, 단축키, 단문 메시지, 멀티미디어 메시지
Patent KR-20070119849-A (KR)
Title: Portable data usb cable for the cell phone
Inventor: MIN KYUNG WOOK
IPC: H01R13/60
Filed: 2006-06-16
Abstract: A portable data communication cable for a mobile phone is provided to be cut down in minimum length, and to be fixed in certain shape as being contained in a heart-shaped case, thereby being applicable to be used as an accessory for the mobile phone. A heart-shaped body(1) is opened by forming both ends as caps(2), and is capable of receiving a cable inside as a sealed body structure. A reel cable is mounted with a mobile phone pin(5) and a PC(Personal Computer) pin(4) on both ends, is opened on the right of the body(1), and is designed to be rolled up with a simple hand operation while the rolled cable is unfolded when the PC pin(4) is exposed to the outside. A loop is disposed in the middle of an upper side of the body(1) to connect with a mobile phone.
Patent KR-20070003653-A (KR)
Title: Method for culturing angelica keiskei tissue
Inventor: OHBA TOSHIHARU
IPC: A01H4/00
Filed: 2006-06-30
Abstract: A method for tissue culture of Angelica keiskei is provided to mass-produce chalcone compounds useful as insulin analogues from Angelica keiskei regardless of weather and season. The method for tissue culture of Angelica keiskei comprises the steps of: (1) culturing the Angelica keiskei tissue in a medium containing plant growth-regulating materials; and (2) culturing the resulting culture medium in a medium with less than 0.2 mg/L of auxin or without auxin, wherein the cultivation of step(2) is performed in a medium containing jasmonic acid, salicylic acid or their softened compounds for 1-3 days; the plant growth-regulating materials are auxins or cytokines; the tissue of Angelica keiskei is stalk or petiole; and the cultivation of step(2) is performed in a dark room.