baber/WOPTO huggingface dataset:
Patent KR-20110109377-A (KR)
Title: 콘크리트 유거더의 합성교 연속화 공법 및 콘크리트 유거더의 합성교 구조
Inventor: KIM BYEONG SEOK
IPC: E01D2/04
Filed: 2010-03-31
Abstract: 본 발명은, 콘크리트 유거더를 이용한 교량 제조 방법에 관한 것으로서, 교량을 이루기 위해 지지되는 기둥부와 기둥부간을 연결하는 유거더와, 상기 유거더 즉 정모멘트부 유거더를 연결하는 부모멘트부 유거더를 전술한 기둥부의 상면에 일체로 형성하여 지지되도록 한 다음, 각각 정부모멘트부 유거더를 연결 시공하여 현장에서의 시공에 의해 교량 완성이 가능하도록 함은 물론, 직선상의 교량 건설에서 시공 현장의 특성 등에 따라 원호형태로 라운딩되는 교량을 얻기 위한, 콘크리트 유거더의 합성교 연속화 공법 및, 콘크리트 유거더의 합성교 구조에 관한 것이다.
Patent KR-20110111857-A (KR)
Title: 도킹 스테이션과 결합하는 휴대 단말 및 그 구동 방법
Inventor: PARK CHAN BUM
IPC: G06F9/22
Filed: 2010-04-05
Abstract: 본 발명은 도킹 스테이션과 결합하는 휴대 단말 및 그 구동 방법에 관한 것이다. 
본 발명에 따르면, 도킹 스테이션 화면을 위한 제1 영상과 휴대 단말의 화면을 위한 제2 영상을 생성하고, 상기 도킹 스테이션 화면의 적어도 일부에 휴대 단말의 화면이 표시되도록, 상기 제1 영상과 제2 영상을 처리하여 제3 영상을 생성한 후, 상기 제3 영상을 도킹 스테이션으로 전송하는 것을 특징으로 한다.
Patent KR-20110113343-A (KR)
Inventor: PARK JOO SHIN
IPC: G01N3/08
Filed: 2010-04-09
Abstract: 곡률을 고려한 좌굴강도 평가 방법이 개시된다. 본 발명의 실시예에 따른 좌굴강도 평가 방법은 곡판의 휨 각도값인 곡률과 곡판의 설계인자를 획득하는 단계와, 상기 설계인자를 이용하여 상기 곡판의 탄성좌굴응력과 세장비를 연산하는 단계와, 상기 곡률과 상기 세장비를 이용하여 곡률 영향에 따른 좌굴강도 증가분을 연산하는 단계와, 상기 탄성좌굴응력과 상기 좌굴강도 증가분을 이용하여 곡판좌굴응력을 연산하는 단계와, 산출된 상기 곡판좌굴응력으로부터 상기 곡판의 안전성을 예측하는 단계를 포함할 수 있다.
Patent KR-20100116132-A (KR)
Title: Efficient security related procedure
Inventor: KIM SUN HEE
IPC: H04W12/08
Filed: 2010-04-16
Abstract: PURPOSE: An efficient security related process is provided to multiplex service data units by one unit signal to encode and decode the multiplexed signal, thereby efficiently reducing time for encoding/decoding and integrity inspection processes. CONSTITUTION: A transmitting party multiplexes service data units by one unit signal. The service data units have the same priority. The transmitting party performs encoding of the unit signal using a mask. The mask is generated by using the first parameter combination. The transmitting party transmits the encoded unit signal to a receiving party through a wireless channel.
Patent KR-20110117485-A (KR)
Inventor: KIM SUN KEE
IPC: H01L21/02
Filed: 2010-04-21
Abstract: 본 발명에 따른  인젝터 어셈블리는 챔버 내에 가스를 분사하는 인젝터; 챔버 외측에 설치되며, 인젝터와 연결되어 인젝터의 가스 분사 위치를 조정하는 인젝터 홀더;를 포함하며, 인젝터 홀더는 인젝터와 결합되어 인젝터를 이동시키는 위치 조절부, 위치 조절부를 수평으로 구동시키는 수평구동부; 챔버 외측과 위치 조절부를 연결하며 인젝터의 단부를 둘러싸는 탄성부재로 이루어진 연결관을 포함한다. 
본 발명에 따른 기판 처리장치는 내부 공간을 제공하는 챔버; 챔버의 내부에 설치되며 기판이 안착되는 기판 지지대; 챔버 내에 가스를 분사하는 인젝터; 및 챔버 외측에 설치되며, 인젝터와 연결되어 인젝터를 수평방향으로 이동시키는 인젝터 홀더;를 포함한다. 
본 발명에 따르면, 인젝터의 분사구를 원하는 위치로 정밀하게 축방향이동시킬 수 있다. 특히 인젝터의 분사구를 수평방향으로 정밀하게 이동시킬 수 있다. 또한 기판 처리장치의 챔버 내부의 인젝터 분사구 위치를 육안으로 확인하지 않고도 원하는 지점으로 이동시킬 수 있기 때문에, 공정 수행 중에 인젝터 분사위치를 조정하기 위해 챔버의 진공상태를 해제하고 챔버를 개방할 필요가 없어 공정시간을 단축하고 효율적인 작업을 할 수 있다.
Patent KR-20110117562-A (KR)
Inventor: KIM YOUNG GEUL
IPC: H04L12/16
Filed: 2010-04-21
Abstract: 본 발명은 가전기기 및 그 동작방법에 관한 것으로서, 탈부착이 용이한 통신장치를 구비하고, 주변의 네트워크 환경에 따라 선택적으로 통신방식을 설정할 수 있으며, 통신장치의 위치를 변경하여 스마트 서버에의 접속이 용이하도록 함으로써, 가전기기의 위치, 장애물에 관계없이 스마트 서버와 안정적으로 통신하여 데이터를 송수신할 수 있도록 한다.
Patent KR-20110118018-A (KR)
Inventor: LEE JONG BYUNG
IPC: B41M1/24
Filed: 2010-04-22
Abstract: 본 발명은 반사 방지 필름의 제조방법에 관한 것으로, 보다 상세하게는 투명 필름 위에 소프트 몰드인 나노 패터닝된 금형을 갖는 롤을 이용하여 패턴을 형성하고 한번의 코팅만으로 반사 방지 필름을 제조할 수 있어서 제조공정이 간단하고 제조비용이 저렴하여 경제적이며, 반사방지 필름의 표면에 미세 요철구조를 가지므로 별도의 추가 코팅층 없이도 가시광에 대한 반사방지 효과가 우수한 반사 방지 필름의 제조방법을 제공한다.
Patent KR-20110119425-A (KR)
Title: Complexed hybrid refrigerator
Inventor: MIN WON SIK
IPC: F25D25/00
Filed: 2010-04-27
Abstract: PURPOSE: A hybrid refrigerator is provided to increase a food storage space by allowing a chest refrigerator and a vertical refrigerator to use a machine room in common. CONSTITUTION: A hybrid refrigerator comprises a chest refrigerator(300) and a vertical refrigerator(100). A receiving room for accepting the chest refrigerator is formed in the bottom of one side of the vertical refrigerator. The vertical refrigerator has multiple rooms. A machine room composed of a compressor and a condenser is installed in the rooms. The chest refrigerator is accepted in the receiving room to be withdrawable. An evaporator of the chest refrigerator is connected to the compressor and the condenser.
Patent KR-20110122384-A (KR)
Title: Foamed ceramics, method of preparing the same, and apparatus for preparing the same
Inventor: LEE YUN WOO
IPC: C04B38/00
Filed: 2010-05-04
Abstract: PURPOSE: A foamed ceramics, a method for manufacturing the foamed ceramics, and an apparatus for manufacturing the foamed ceramics are provided to prevent the generation of plenty of greenhouse gas in manufacturing processes by implementing a foaming process at the room temperature. CONSTITUTION: A method for manufacturing the foamed ceramics includes the following: A vegetable or animal foaming agent becomes an aqueous solution to be foamed. Ceramics powder, silicate, and additives are mixed with the foamed aqueous solution. The gelation of the silicate is generated to gelate the mixture. The gelated mixture is introduced into a mold. The mixture is dried and hardened in a foamed state. An apparatus for manufacturing the foamed ceramics includes a raw material tank(110), a raw material introducing unit(120), a micro-bubble generator(130), a mixing reactor(140), a quantitative introducing unit(150), and a mold(200).
Patent KR-20110122530-A (KR)
Title: Container ship
Inventor: JIN SUNG SIK
IPC: B63B25/00
Filed: 2010-05-04
Abstract: PURPOSE: A container ship is provided to easily interlink a lashing rod for clinching a container and a lashing rod fixing member and to prevent the ascending and descending process of a hatch cover to be interfered by the lashing rod fixing member. CONSTITUTION: A container ship comprises a hatch cover(70), a lashing bridge(30), a lashing rod fixing member, and fixing member placing part. The hatch cover is installed on a deck be able to open and close in upward and downward direction. A container is loaded on the hatch cover. The lashing bridge comprises a handrail and is arranged to be contiguous with the hatch cover. The lashing rod fixing member is connected to 'the lashing rod which fixes the container to the lashing bridge and is installed in the lashing bridge to be able to rotate. The fixing member placing part detachably mounts the lashing rod fixing member in the location which gets out from opening and shutting locus of the hatch cover.
Patent KR-20110127558-A (KR)
Title: Mobile device
Inventor: NAM YONG
IPC: H05K7/16
Filed: 2010-05-19
Abstract: PURPOSE: A portable electronic device is provided to reduce the width of a first bezel unit by arranging a first bezel unit to a display unit. CONSTITUTION: A main body(210) includes an input unit. A cover unit(250) includes a display space of a display unit. The cover unit includes a first bezel(261) and a second bezel unit(262) according to the upper end of the display unit. The second bezel unit includes a hinge unit for connecting the main body. The first bezel unit includes a connection part of the display unit. The second bezel includes a camera or a wireless antenna.
Patent KR-20110129167-A (KR)
Title: Apparatus for measuring osseointegration using resonance frequency analysis
Inventor: LEE SEONG DAE
IPC: A61C19/04
Filed: 2010-05-25
Abstract: PURPOSE: An osseointegration measuring device using RFA(Resonance Frequency Analysis) is provided to enable a user to more precisely measure the osseointegration between implant fixture and bone tissue. CONSTITUTION: An osseointegration measuring device using RFA comprises: a body(110) which is formed in an integrated L-shape and includes a vertical part and a horizontal part which is formed in order to be expanded; a piezoelectric transducer(120) which is installed to both sides of the vertical part of the body and emits and receives a signal for the measurement of osseointegration; and an implant fixture connection part(130) which is fixed in the horizontal part of the body and is connected to the implant fixture. The piezoelectric transducer includes electrostrictive ceramics.
Patent KR-20110133832-A (KR)
Title: Flat type vibration motor
Inventor: KIM YONG TAE
IPC: H02K7/065
Filed: 2010-06-07
Abstract: PURPOSE: A flat type vibration motor is provided to employ a contact part which is connected to a terminal part, thereby enhancing combining force between a bracket and printed circuit board. CONSTITUTION: A bracket(150) is installed in one end of a shaft(140). A printed circuit board(110) includes a terminal part which receives external electricity. A stator(160) is arranged in the upper surface of the printed circuit board. A rotor(170) is installed in the shaft in order to be able to rotate. A stopper(180) is installed in the other end of the shaft. The bracket and shaft are used as an external power connection terminal.
Patent KR-20110134535-A (KR)
Title: Novel microorganism bacillus subtilis cj1661 having high accumulated effect
Inventor: JEONG CHEOL YEON
IPC: C12R1/125
Filed: 2010-06-09
Abstract: PURPOSE: A Bacillus subtilis CJ1661 with high selenium accumulation ability is provided to accumulate metal in an organic form in cells and to reduce mineral toxicity. CONSTITUTION: A novel microorganism Bacillus subtilis CJ1661 strain(deposit number: KCTC 11548BP) has high selenium accumulation ability. A method for accumulating selenium comprises a step of inoculating Bacillus subtilis CJ1661(deposit number: KCTC 11548BP) fungus body, concentrate, culture liquid, or dried material thereof into a medium containing organic selenium or inorganic selenium and a step of culturing. The novel microorganism is isolated from soil, Cheonggukjang(fermented soybean paste), and nuruk.
Patent KR-20110136352-A (KR)
Title: Hotair welder for waterproof tape having auxiliary pressing means
Inventor: SEO GI WON
IPC: B29C65/26
Filed: 2010-06-15
Abstract: PURPOSE: A hot-blast fusion machine for waterproof tapes having an auxiliary pressing unit is provided to improve the efficiency of waterproof tapes by using upper and lower rollers and upper and lower secondary rollers. CONSTITUTION: A hot-blast fusion machine for waterproof tapes having an auxiliary pressing unit comprises secondary upper and lower rollers(10,20). The secondary upper roller is disposed separately from an upper roller(116) in a horizontal direction and elevated in a vertical direction. The secondary lower roller is located to be apart from a lower roller(115) in a horizontal direction and contacts with a lower part of the secondary upper roller. The secondary upper roller is combined from a lifting block which is connected to a retractable shaft of a lifting actuator. The secondary upper roller is moved up and down toward the secondary lower roller according to the driver of the elevation actuator.
Patent KR-20110136634-A (KR)
Inventor: KIM YONG IL
IPC: G06Q30/02
Filed: 2010-06-15
Abstract: PURPOSE: A customer information sharing method and system thereof are provided to increase the quality of a customer service through the shared information by sharing information about complaint of a customer. CONSTITUTION: Messages including the preference or complaint of a customer is received from a terminal of each employee(201). The received messages are stored in a database unit(202). If identification information of a customer is inputted form a terminal of the employee, a message about a customer is searched for the database unit(203). The searched message is transmitted to the terminal of the employee(204).
Patent KR-20110137154-A (KR)
Title: Electro-magnetic auto focus actuator
Inventor: RYU IN GU
IPC: G02B7/04
Filed: 2010-06-16
Abstract: PURPOSE: An automatic focus lens actuating device is provided to maximize magnetic force by using a structure for minimizing the inner diameter of a yoke and a magnet. CONSTITUTION: An automatic focus lens actuating device comprises a case(110), a first spring(120), a spacer(140), a second spring(180), a movable carrier(130), a ring-shaped magnet(160), a ring-shaped yoke(170), and a base(190). The case has a spring mounting surface. A leaf spring unit is formed between the inner and outer diameters of the first spring. The spacer is adhered to the outer diameter of the first spring. The second spring is cut and is divided into two parts. Each divided part has an electrode. The movable carrier is coupled to an inner screw unit and the inner diameter of the first and second springs. The ring-shaped magnet is magnetized in the optical axis direction of a lens. The ring-shaped yoke is coupled to the surface of the magnet.
Patent KR-20110137504-A (KR)
Title: Apparatus for controling rigidity of deburring tool
Inventor: KO SUNG LIM
IPC: B23B51/08
Filed: 2010-06-17
Abstract: PURPOSE: A rigidity regulating device of a deburring tool is provided to control the size of chamfer generated when removing various materials of burr, by changing the rigidity of a deburring too. CONSTITUTION: A rigidity regulating device(A) of a deburring tool(DG) comprises a rigidity regulating body(1), a tool inserting hollow(2), and first and second bolt fixing holes(3,4). The tool inserting hollow holds the body of the deburring tool. The tool inserting hollow is formed on the central part of the rigidity regulating body in a cylinder shape. In order that the body of the deburring tool inserted into the tool inserting hollow is fixed, a first bolt(11) is inserted and fixed from one side of the rigidity regulating body to the tool inserting hollow through the first bolt fixing hole. In order that the vibration of the deburring tool decreases, a second bolt(12) is inserted and fixed from the other side of the rigidity regulating body to the tool inserting hollow through the second bolt fixing hole.
Patent KR-20110137853-A (KR)
Title: Circular velcro tape and the manufacture method
Inventor: LEE SANG CHUN
IPC: A44B18/00
Filed: 2010-06-18
Abstract: PURPOSE: A hook type Velcro tape and a manufacturing method thereof are provided to maximize coherence with a loop type velcro tape. CONSTITUTION: A fabric(1) is composed of warp and weft. Many piles(2) are formed on one side of the fabric. The end of the pile is fused by heating. A hook(10) is formed on the end of one strand of a pile according to the shape of a pipe section. Each pile keeps balances by the hoop when a loop type Velcro tape is combined with the hook type Velcro tape.
Patent KR-20110139350-A (KR)
Title: Apparatus and method for obtaining optical rate using multiple led transmitter in visible light communication system
Inventor: BAE TAE HAN
IPC: H01L33/00
Filed: 2010-06-23
Abstract: PURPOSE: A device and a method for obtaining optimized transmission rate by using multi light emitting diode are provided to transmit data by calculating maximum transmission rate with each data when transmitting two different data at the same tiem. CONSTITUTION: A controller performs singular value decomposition about provided channel if a plurality of data is inputted. The controller calculates the modulation size value of many data through the performed specified value decomposition. The controller calculates the transmission rate of the data by using the modulation size value. Two modulators(211,213) modulates data according to the obtained modulation size and transmission rate. A transmission unit transmits the modulated data.
Patent KR-20110140007-A (KR)
Title: Led lighting device
Inventor: PAIK DONG KI
IPC: F21V17/10
Filed: 2010-06-24
Abstract: PURPOSE: An LED lighting device is provided to simplify the structure of coupling a lens with a heat emitting member by using a coupling member integrated with the heat emitting member. CONSTITUTION: An LED lighting device includes coupling members(71A,73A) for coupling a lens unit(50) with a heat emitting member(30). The coupling members are integrated with the lens unit and the heat emitting member respectively. The lens unit includes a light focusing lens(51), a flange unit(53) formed on the light focusing lens, a light emitting unit(55) formed on the flange unit, and a coupling guide unit(57) formed between the bottom of the flange unit and the heat emitting member. The flange unit maintains the lens unit in the heat emitting member. The coupling guide unit supports the coupling between the lens unit and the heat emitting member.
Patent KR-20110000523-A (KR)
Title: Anticancer chemotherapeutic agent-chlorin derivative conjugate, a photosensitizer comprising the same, and a composition for treatment of cancer comprising the same
Inventor: AN WOONG SIK
IPC: A61K33/24
Filed: 2010-06-25
Abstract: PURPOSE: A composition containing a photosensitizer with cancer chemotherapeutic agent-chlorine derivative assembly is provided to reduce toxicity of the chemotherapeutic agent. CONSTITUTION: A cancer chemotherapeutic agent-chlorine derivative assembly has a structure of chemical formula 1, 2 or 3. The cancer chemotherapeutic agent is cisplatin or paclitaxel. A composition for treating cancer contains the assembly as an active ingredient. A kit for treating cancer comprises the composition and light source for irradiating 650 nm-800 nm of beam. A photosensitizer contains the assembly.
Patent KR-20120000624-A (KR)
Title: A hot pepper transcription factor gene, cawrkyd related to plant defence response and transgenic plants using the same gene
Inventor: PAEK KYUNG HEE
IPC: C12N15/29
Filed: 2010-06-28
Abstract: PURPOSE: A plant-specific transcription factor gene CaWRKYd and a transgenic plant using the same are provided to study the defense mechanism of plants. CONSTITUTION: A Capsicum annuum-derived disease resistant transcription factor gene encodes a protein having an amino acid sequence of sequence number 2. The gene has a base sequence of sequence number 2. A recombinant vector contains the gene. A pTRV2-CaWRKYd vector for VIGS(virus induced gene silencing) is prepared by inserting a transcriptional regulatory CaWRKYd gene into a TRV vector. A transgenic plant with suppressed CaWRKYd gene expression is produced by transforming a plant with the pTRV2-CaWRKYd vector.
Patent KR-20110004797-A (KR)
Title: Modular surface foundation for wind turbine space frame towers
Inventor: WILLEY LAWRENCE
IPC: E04H12/28
Filed: 2010-07-07
Abstract: PURPOSE: A modular ground foundation for wind turbine space frame towers is provided to enable the modular ground foundation to provide a space frame tower with additional height. CONSTITUTION: A modular ground foundation for wind turbine space frame towers comprises a plurality of fixing members(46) and a housing member(44). The housing member is arranged on the fixing member. The housing member is attached to one or more structural members(40), which are extended from the fixing members and form a part of wind turbine tower(30). The housing member provides the space frame tower with increased height and comprises an inner space.
Patent KR-20120008675-A (KR)
Title: Vertical axis wind turbine with actuator driven by centrifugal force
Inventor: KIM SEONG BOK
IPC: F03D11/00
Filed: 2010-07-19
Abstract: PURPOSE: A vertical-axis wind turbine with an actuator driven by a centrifugal force is provided to obtain insufficient lift in case of low wind speed or in initial driving by employing a lift support blade. CONSTITUTION: A vertical-axis wind turbine comprises a draft support blade(200) which is installed on the underside of an arm(20) and rotated by the centrifugal force of a main blade and the arm to contact the bottom surface of the arm, a lift support blade(100) which is formed in a lift type air foil shape and rotated on the upper side of the arm, and an actuator(300) which has a gear for linking the draft and lift support blades, a lift side gear(310) which is formed on one end of a rotary shaft(110), and a draft side gear(320) which is rotated by engaging with the lift side gear on one end of a rotary shaft(210).
Patent KR-20120010598-A (KR)
Title: Home gateway and control method thereof, communication apparatus for communicating the home gateway and control method thereof
Inventor: KAHNG JONG OH
IPC: H04L12/66
Filed: 2010-07-20
Abstract: PURPOSE: A home gateway, a control method thereof, a mobile terminal communicating with the home gateway, and control method thereof are provided to easily receive a content list included in each home device from a home gateway. CONSTITUTION: A home gateway collects a content list within each home device through the communication with a home device(S5). The home gateway converts the content list according to a predetermined reference(S7). The home gateway supplies the converted content list in case a communication terminal requests(S11, S13).
Patent KR-20110013263-A (KR)
Title: Composition for forming organic electroluminescence element, vapor deposition film, method for producing the vapor deposition film, and organic electroluminescence element
Inventor: SATO TASUKU
IPC: H01L51/50
Filed: 2010-07-27
Abstract: PURPOSE: A composition for forming a film of an organic electroluminescence device is provided to stably form a film of an organic compound for a long time by uniformly heating organic compounds. CONSTITUTION: A composition for forming a film of an organic electroluminescence device comprises a volatizable organic compound with 2,000 or less of molecular weight and a medium in which the organic compound can be solved or dispersed. The component of media is not vaporized at a vaporization temperature of the organic compound. The decomposition temperature of the organic compound is 30 °C or more.
Patent KR-20120014660-A (KR)
Title: Light emitting device
Inventor: MOON YONG TAE
IPC: H01L33/04
Filed: 2010-08-10
Abstract: PURPOSE: A light emitting device is provided to arrange a first active layer of a multiple quantum well structure together with a second active layer of a single quantum well structure, thereby improving light emitting efficiency in high and low current input ranges. CONSTITUTION: A first conductivity type semiconductor layer(110) is arranged on a substrate. An active layer is arranged on the first conductivity type semiconductor layer. The active layer comprises a first active layer(122) and a second active layer(124). The first active layer has a multiple quantum well structure. The second active layer has a single quantum well structure.
Patent KR-20120015615-A (KR)
Title: Multiple access based on orthogonal frequency division multiplexing(ofdm) and communication equipment for contoring the same
Inventor: LIM JAE SUNG
IPC: H04J11/00
Filed: 2010-08-12
Abstract: PURPOSE: A multiple access based on OFDM(Orthogonal Frequency Division Multiplexing) and a communication appratus for controlling the same are provided to greatly increase data throughput and the number of users using concurrent service by drastically reducing an overhead over a time synchronization in comparison of WiMAX(World Interoperability for Microwave Access). CONSTITUTION: A predetermined sync control signal is transmitted to many unspecified terminal. Test message is received from a plurality of terminals as a response for the sync control signal. The terminal receiving the test message within a first unit time from a base period is classified into a first group. The terminal receiving the test message within an arbitrary n number of unit times from the base period is classified into an n group. An allowable time for using sub channels is allocated by group. The terminals receive and transmit data by partly occupying sub channels and symbols within the time which is allocated to a corresponding group.
Patent KR-20120021961-A (KR)
Title: Improved method for manufacturing 2,2'-bipyridine-4,4'-dicarboxylic acid
Inventor: MOON SANG JIN
IPC: C09B57/10
Filed: 2010-08-24
Abstract: PURPOSE: A method for preparing 2,2'-bipyridine-4,4'-dicarboxylic acid is provided to produce a large amount of the compounds and to use the compound as a dye for dye-sensitized solar cells. CONSTITUTION: A method for preparing 2,2'-bipyridine-4,4'-dicarboxylic acid comprises: a step of synthetic 2,2'-bipyridine-4,4'-dicarboxylic acid diethykl ester by dehydrogenation coupling reaction of ethyl isonitotinate under Pd-C catalyst; a step of hydrolyzing and acidifying 2,2'-bipyridine-4,4'-dicarboxylic acid diethyl ester compounds to collect the target compound, 2,2'-bipyridine-4,4'-dicarboxylic acid. A dye for dye-sensitized solar cell contains 2,2'-bipyridine-4,4'-dicarboxylic acid.