baber/WOPTO huggingface dataset:
Patent KR-20010086973-A (KR)
Title: an innerspring assembly for mattress
Inventor: AHN PAN HO
IPC: A47C23/053
Filed: 2000-03-06
Abstract: PURPOSE: An innerspring assembly is provided to minimize the weakness of a coil spring by equipping a double elastic layer, to stably support a body by effectively distributing loads, and to minimize noise. CONSTITUTION: An innerspring assembly comprises: coil springs(10); helical coils(20',21,22) to combine upper circuits and lower circuits of the coil springs; and edge wires(30,31) to support by shielding the outer coil springs. Expanded portions are formed at the ends of the coil springs. The end circuits of the expanded portions are combined each other by the helical coils. The expanded portions have at least two circuits in a half height of the main bodies of the coil springs.
Patent KR-20010091565-A (KR)
Title: Flash memory structure and managing method thereof
Inventor: JIN DAE JE
IPC: H01L27/115
Filed: 2000-03-16
Abstract: PURPOSE: A structure of a flash memory and a method for managing the same are provided to find and manage a defect of a sector after a recording process and a deleting process are performed. CONSTITUTION: A position of a sector for recording is confirmed by referring to a sector information table(402). A data recording process is performed(404). A process for deleting previous data is performed if the previous data are recorded in the sector for recording the data(406). The data are recorded in a corresponding sector if the previous data are not recorded in the sector for recording the data(408). A defect test for the corresponding data is performed if the data are recorded in the corresponding sector(410). The read date are compared with the data stored in a memory(412). All operations are finished if there is not a defect in the read data, or the defect state of the corresponding sector is decided if the there is the defect in the read data(414). A usable sector is selected from dummy sectors(416).
Patent KR-20000076914-A (KR)
Title: 불휘발성 반도체 기억 장치 및 그 제조 방법
IPC: H01L21/8247
Filed: 2000-03-18
Abstract: 소자 영역이 홈형 소자 분리로 형성되고, 또한 부유 게이트를 갖는 메모리셀부와 그 주변회로부를 갖는 불휘발성 반도체 기억 장치의 제조방법에 있어서, STI의 홈(305)을 절연물로 매립하기 전에, 주변회로부의 소자 영역 상단부의 버즈빅 산화막(310)을, 메모리셀부의 그것보다도 크게 형성한다. 
     구체적으로는, 버즈빅을 넣는 산화 공정 전에, 메모리셀부를 내산화성막 (308) 혹은 산질화막으로 덮거나, 주변회로부의 STI 홈을 앞에 형성하여, 주변회로 소자 영역 단부의 버즈빅을 크게 형성해 둔다.  또는, 주변회로부의 STI 측벽에 산질화막을 형성하고, 산화막 에칭시의 측벽 절연막의 막 수축을 방지한다.  상기 공정에 의해, STI를 이용한 불휘발성 메모리의 주변회로부에서의 기생 트랜지스터의 형성을 방지하여, 대기시 소비 전류를 억제한다.
Patent KR-20010006879-A (KR)
Inventor: SUZUKI TATSUYA
IPC: B08B3/08
Filed: 2000-03-28
Abstract: PURPOSE: To clean and dry a carrier for a semiconductor efficiently in a short time in an apparatus for cleaning the carrier used, for example, for housing a semiconductor wafer. CONSTITUTION: An organic solvent 4 is supplied to a closed chamber 1 for housing the main body of a carrier for a semiconductor and a door 8 (Fig.(a)). After the main body 7 and the door 8 being cleaned, the solvent 4 is discharged (Fig.(b)). By passing an inactive gas 11 through the chamber 1. the solvent 4 adherent to the main body 7 and the door 8 is dried up (Fig.(c)).
Patent KR-20010094702-A (KR)
Title: Electronic commerce system and method thereof
Inventor: PARK CHAN YEONG
Filed: 2000-04-06
Abstract: PURPOSE: An electronic commerce system and a method are provided to promote the electronic commerce by directly connecting a customer to a shopping mall. CONSTITUTION: An electronic commerce system includes a purchasing unit(10), a plurality of selling units(40), and an intermediation unit(30). The purchasing unit(10) is used as a communication unit for connecting through the Internet(20) to the intermediation unit(30) such as a computer, a mobile communication terminal, and an Internet TV. The selling unit(40) is a server of a shopping mall operated by a seller for selling various goods through the Internet(20) and includes an order processing information database(42) storing data related to sold goods, a shopping mall web server(43), an order processing server(44) performing a selling process on the goods ordered through the intermediation unit(30), and a shopping mall mail server(45) for transmitting/receiving an electronic mail. The intermediation unit(30) performs an intermediation role so that the commerce is made up of between the purchaser and the seller. The intermediation unit(30) includes a database module(31) storing a plurality of information and a processing module(33) performing a goods sale and a price settlement based on the information stored in the database module(31).
Patent KR-20000053782-A (KR)
Inventor: AHN GIL HONG
IPC: B01D53/62
Filed: 2000-04-10
Abstract: PURPOSE: A method for preparing a carbon dioxide eliminating filter is provided by which provided carbon dioxide eliminating filter is economical and is easily regenerated. CONSTITUTION: To prepare a carbon dioxide eliminating filter, (i) a solid basic catalyst comprising lithium hydroxide, magnesium hydroxide or magnesium oxide, calcium hydroxide or calcium oxide, aluminum hydroxide and nickel and (ii) an active carbon composition using copper chloride or magnesium chloride as a hydrophilic modifying agent of the active carbon are piled one on another in many steps.
Patent KR-20010098168-A (KR)
Inventor: KANG YONG O
IPC: H04W28/02
Filed: 2000-04-28
Abstract: 본 발명은 ＣＤＭＡ 이동통신 시스템에서의 슬라이딩 윈도우 흐름제어 기법을 이용한 고속 무선데이터 전송장치 및 그 방법, 더욱 상세하게는 고속의 무선데이터 전송시 멀티채널을 통해 전송되는 TCP프레임을 수신시점과 상관없이 그 TCP프레임의 헤더에 실린 순차신호 넘버를 이용하여 순차적으로 재 정렬한 후 상위 프로토콜로 전송이 가능하도록 해주는 ＣＤＭＡ 이동통신 시스템에서의 슬라이딩 윈도우 흐름제어 기법을 이용한 고속 무선데이터 전송장치 및 그 방법에 관한 것으로서, 본 발명에 의한 ＣＤＭＡ 이동통신 시스템에서의 슬라이딩 윈도우 흐름제어 기법을 이용한 고속 무선데이터 전송장치 및 그 방법에 의하면, 동일 링크간이라도 채널간 동기를 보장할 수 없는 시스템에서 이동통신 가입자에게 멀티 채널을 통한 고속의 무선데이터 서비스를 제공해 줄 수 있다는 뛰어난 효과가 있다.
Patent KR-20010105062-A (KR)
Inventor: HONG CHOO BONG
Filed: 2000-05-18
Abstract: 본 발명은 고온내성 유전자(heat-resistant gene)를 도입하여 고온내성을 가진 박테리아 및 세포를 제조하는 방법에 관한 것으로, 구체적으로 왜비단잘록이( Griffithsia japonica )로부터 분리된 고온내성 유전자 GCYC1 ; 이를 고발현하는 대장균 균주;  상기 유전자를  도입하여 고온내성을 가진 박테리아 또는 세포를 제조하는 방법; 및 상기 유전자로부터 발현되는 재조합 단백질을 이용하여 고온조건에서 단백질의 변성을 방지하는 방법 등에 관한 것이다.  본 발명의 고온내성 유전자 GCYC1 는 대장균과 같이 생장 온도 범위가 좁은 박테리아 및 세포의 단백질이 고온에서 변성을 일으키는 것을 억제하고, 고온에 대한 내성을 부여하여 생존율을 높일 수 있으므로, 산업적으로 유용한 미생물의 형질전환이나 고온이 요구되는 효소반응 등에서 반응액 속의 단백질 변성 방지 등에 유용하게 사용될 수 있다.
Patent KR-20010105895-A (KR)
Title: operation method of cyber agent of internet
Inventor: SHIN JAE HUN
Filed: 2000-05-19
Abstract: The invention concerns novel cosmetic compositions comprising in a cosmetically acceptable medium at least a silicon and at least a polymer containing diallyl dimethyl ammonium units with low mean molecular mass by weight (5000 < M < 20000). The keratin materials treated with these compositions are not heavy or greasy to the touch.
Patent KR-20010105123-A (KR)
Inventor: PARK SSAL SU
Filed: 2000-05-19
Abstract: 본 발명은 4개의 형강의 양단을 용접하여 사각틀을 만들고, 상기 사각틀의 상단과 하단에는 철망을 용접하여 벽체를 지탱하기 위한 골조를 형성한 다음, 상기 벽체골조의 내부에는 황토를 충진하고, 표면에는 황토모르타르로 미장한 황토벽체를제공하기 위한 것으로, 공장에서 직접 벽체를 제조한 다음 공사현장에서는 상기 벽체를 연결만 하면 건축물을 형성할 수 있는 것이어서 황토벽체를 구축하기 매우 용이하고, 일정 규격의 황토벽체들을 미리 제조해 두었다가 건축물의 구조 및 형태에 맞춰 제공하므로써 공사기간을 단축시킬 수 있을 뿐만 아니라 공사비용도 현저히 줄일 수 있는 효과를 갖는 것이다. 
     또한 본 발명 황토벽체는 황토미장을 하더라도 벽체를 누인 상태에서 미장작업이 이루어지므로 매우 작업이 간편하게 되고, 따라서 전문가를 필요로 하지 않게 되는 매우 유용한 발명인 것이다.
Patent KR-20010029733-A (KR)
Title: Process for Cis-1-[2-[4-(6-Methoxy-2-Phenyl-1,2,3,4-Tetrahydronaphthalen-1-yl)Phenoxy]Ethyl]Pyrrolidine
Inventor: CHIU CHARLES KWOK-FUNG
IPC: C07D295/08
Filed: 2000-05-23
Abstract: PURPOSE: Provided is a manufacturing method of cis-1-(2-(4-(6-methoxy-2- phenyl-1,2,3,4-thetrahyfronaphthalene-1-yl)phenoxy)ethyl)pyrrolidine effective for the treatment of osteoporosis. CONSTITUTION: The manufacturing method comprises the steps of: brominating 2-bromo-5-methoxy-toluene to manufacture 1-bromo-2-bromomethyl-4-methoxy benzene; alkylating 1-bromo-2-bromomethyl-4-methoxy benzene, and carboxylating it to obtain 3-(2-bromo-5-methoxyphenyl)-1-phenyl-propane-1-on; reacting 3-(2-bromo-5-methoxyphenyl)-1-phenyl-propane-1-on with ethylene glyco to obtain 2-(2-(2-bromo-5-methoxyphenyl)-ethyl)-2-phenyl)-(1,3)dioxolane; treating 2-(2-(2-bromo-5-methoxyphenyl)-ethyl)-2-phenyl)-(1,3)dioxolane with n-butyl lithium and reacting with 4-benzyloxy benzonitrile to obtain (4-benzyloxy-phenyl)-{4-methoxy-2-(2-(2-phenyl-(1,3)dioxolane-2-yl)-ethyl)-phenyl)-methanone; hydrolyzing (4-benzyloxy-phenyl)-{4-methoxy-2-(2-(2-phenyl-(1,3)dioxolane-2-yl)-ethyl)-phenyl)-methanone to obtain 3-(2-(4-benzyloxy-benzoyl)-5-methoxy phenyl)-1-phenyl propane-1-on; treating 3-(2-(4-benzyloxy-benzoyl)-5-methoxy phenyl)-1-phenyl propane-1-on with titanium tetra chloride and a pari of zinc-copper to obtain 4-(4-benzyloxyphenyl)-7-methoxy-3-phenyl-1,2-dihydronaphthalene; and hydrogentaing 4-(4-benzyloxyphenyl)-7-methoxy-3-phenyl-1,2-dihydronaphthalene then treating it with triphenylphosphine, DEAD and 1-(2-hydroxyethyl)pyrrolidine to obtain 1-(2-(4-(6-methoxy-2-phenyl-1,2,3,4-tetrahydronaphthalene-1-yl)-phenoxy)-ethyl)-pyrrolidine.
Patent KR-20010106704-A (KR)
Inventor: PARK MYUNG DUCK
Filed: 2000-05-23
Abstract: 본 발명은 증권관련서비스와 연계하여 보다 자연스러운 광고효과를 얻을 수 있으며, 그 광고효과에 대한 객관적인 산출이 가능한 인터넷 광고 방법에 관한 것으로, 본 발명은 인터넷으로 연결된 클라이언트와 서버로 이루어진 통신시스템을 통해 이루어지는 인터넷 광고 방법에 있어서, 상기 서버가 주식의 종목을 선택하는 과정이 포함되는 증권관련서비스를 제공하는 단계와, 상기 서버에 인터넷을 통해 클라이언트가 접속하는 단계와, 접속된 이용자가 주식의 종목을 선택하면, 선택된 종목에 대응하는 기업의 홈페이지 또는 광고용 웹문서를 상기 증권관련서비스화면과 동일한 화면상의 다른 프레임에 디스플레이하는 단계로 이루어져, 선택된 주식 종목과 관련된 기업의 광고가 증권관련서비스와 함께 이루어지도록 하는 것이다.
Patent KR-20010113184-A (KR)
Inventor: SONG JEONG GON
IPC: A47L9/04
Filed: 2000-06-16
Abstract: 본 발명에 의한 진공청소기의 브러쉬는  흡입로와 배기로가 형성된 결합관부와, 상기 결합관부로부터 연장되는 커버부와, 상기 커버부의 내면에 회전가능하게 설치되는 회전롤러와, 상기 커버부의 내면에 형성되어 배기로로부터 배기되는 공기와 흡입로로 흡입되는 공기를 가이드 하여 회전롤러에 회전력을 제공하는 가이드 격판을 포함한 구성에 의해 바닥면으로부터 먼지 또는 이물의 부상력을 향상시킬 수 있는 이점을 가진다.
Patent KR-20000058703-A (KR)
Inventor: HAN JUNG YEON
IPC: A01H4/00
Filed: 2000-06-26
Abstract: PURPOSE: A mass production method of young tree of Eleutherococcus sessiliflorus by somatic cell germination is provided. CONSTITUTION: The mass production method of young tree of Eleutherococcus sessiliflorus comprises the steps of: germinating the 7 mm-sized conjugated embryo of Eleutherococcus sessiliflorus under bacteria-free condition to obtain 1 to 3 mm sized young Eleutherococcus sessiliflorus; cutting young Eleutherococcus sessiliflorus into 2 to 5 mm size and incubating them on solid medium containing oxin(0.1 to 5 mg/L of 2,4-D) for two months to induce somatic cell callus; sequentially incubating the callus on each solid medium and in liquid medium containing 1.0 mg/L of 2,4-D at an interval of 2 to 3 weeks; incubating the callus on solid medium and in liquid medium without 2,4-D to obtain somatic cell; and germinating the somatic cell to produce young trees of Eleutherococcus sessiliflorus.
Patent KR-20020004152-A (KR)
Title: Starting-up motor buring prevention apparatus and method
Inventor: CHAE SEUNG JIN
IPC: H02P8/36
Filed: 2000-07-03
Abstract: PURPOSE: A device and a method for preventing the damage of a start motor through the start control of a vehicle is provided to prevent previously the damage of a start motor due to the carelessness of a driver and to lengthen remarkably the life of the motor by blocking the unnecessary rotation of the motor after start completed, thereby remarkably reducing costs according to exchange of the start motor. CONSTITUTION: An angle displacement detector(2) detects the angular displacement of an operating lever as electric signals. A key switch state detector(1) detects the state of a key switch as electric signals. A start conditional position detector(11) detects whether the start of an engine is permitted through the state detection of a parking brake and a transmission lever. An engine torque detector(12) detects the torque of an engine as electric signals. An engine RPM detector(13) detects the RPM of the engine as electric signals. A controller(4) receives the output signals of the key switch state detector(1), the start conditional position detector(11) and the angle displacement detector(2) to control a start motor driver(5).
Patent KR-20020008478-A (KR)
Title: Raticle for using scan type photolithograph apparatus
Inventor: KIM GI SU
IPC: H01L21/027
Filed: 2000-07-20
Abstract: PURPOSE: A reticle for exposure apparatus of a scan method is provided to minimize the shot number for exposing a sheet of wafer by reducing an exposure time of an unnecessary region. CONSTITUTION: A reticle(125) is formed with a reticle body(121), a chrome thin film, the first thin film pattern group(122), the second thin film pattern group(123), and an alignment key(124). The reticle body(121) has a rectangular shape. A transparent glass substrate can be used as the reticle body(121). The chrome thin film is formed on one side of the reticle body(121). The first and the second thin film pattern group(122,123) and the alignment key(124) are formed on the reticle body(121). The increase of an exposure time is reduced by forming the first and the second thin film pattern group(122,123) on both ends of the reticle body(121).
Patent KR-20020009001-A (KR)
Inventor: SONG JIN HO
IPC: B60L5/12
Filed: 2000-07-22
Abstract: PURPOSE: A pole in electric railroads is provided to allow its production to facilitate by forming in one-piece beam left and right sides of vertical parts and a horizontal part connecting between tops of the vertical parts instead of a structural steelwork, and allow installation to facilitate by setting a fixation structure of bottom of the vertical parts in a fit type. CONSTITUTION: A body(30) of pole includes a horizontal member(31) having a cylindrical shape of cross section, left and right elbow member(32) having a cylindrical shape of cross section which is connected with both ends of the horizontal member(31), and a vertical member(33) having a cylindrical shape of cross section which is vertically connected at bottom of the left and right elbow member(32). A base concrete(20) disposed at left and right sides of electric railroad surface is fixed via a through hole of a flange member(41) through the use of an anchor bolt(23). A supporting member(40) is provided so that a supporting cylinder(44) is vertically fixed at top of the flange member(41). Bottom of the vertical member(33) is inserted to the supporting cylinder(44) of each supporting member(40) starting from top of the vertical member(33), and then sand and cement are filled therein for the fixation thereof.
Patent KR-20020008562-A (KR)
Title: load lamp pillar
Inventor: KIM JIN GUK
IPC: E04H12/24
Filed: 2000-07-22
Abstract: PURPOSE: A streetlamp post is provided to protect passengers from accidents safely by reducing impact energy added to a car body and to manufacture a streetlamp post economically by changing the damaged components partially by assembling a streetlamp post to be separable, assembling and carrying easily. CONSTITUTION: A streetlamp post(10) comprises a lower streetlamp post(20) installed vertically from the ground, upper streetlamp posts(30)(40) installed vertically from the lower streetlamp post(20), a lamp supporting-connecting tube(50) installed perpendicularly from the upper streetlamp post(40), and a lamp part(60) installed through the lamp supporting-connecting tube(50).
Patent KR-20020009709-A (KR)
Inventor: BAEK GYEONG SU
IPC: F16H57/04
Filed: 2000-07-26
Abstract: PURPOSE: Structure of an oil ring is provided to prevent damage of an oil ring by changing a section mounted between a case and a center support and to close a space formed between the case and the center support. CONSTITUTION: Oil ring structure comprises a case(12) formed on an automatic transmission; an oil passage(12a) mounted on the case; a center support(14) assembled in the case by having an oil passage(14a); an oil ring(10) closing a space between the oil passages; a circular arc face(10a) curved on an upper portion of the oil ring; a slanting face(10b) integrally formed with a lower portion of the oil ring; a side face(10c) mounted in the oil ring; and a receiving groove(14b) installed on an outer circumference of the center support. The oil ring is installed on the oil passages of the case and the center support to maintain sealing state. Thereby, oil ring structure prevents damage of the oil ring by changing a section mounted between the case and the center support.
Patent KR-20020015107-A (KR)
Inventor: KIM SEONG GON
IPC: G02F1/13
Filed: 2000-08-21
Abstract: PURPOSE: An LCD(Liquid Crystal Display) monitor is provided to reduce the entire thickness and weight of a monitor as well as to increase the brightness of a monitor. CONSTITUTION: An LCD monitor consists of a light guide plate(301) providing a backlight to an LCD panel, a main support member(302) supporting the light guide plate and constituting the base frame structure of an LCD monitor, and plural backlight lamps(303) mounted at the four corners of the light guide plate. Rectangular slits(301h) having specific width and depth are formed at two diagonal corners of the four corners, and stoppers(302s) are formed at two corners of the main support member. The light guide plate is combined with the main support member by the slits and the stoppers. The thickness of the light guide plate is reduced a half as large as the thickness of the former light guide plate. The entire thickness of the LCD monitor is reduced proportionally. In addition, the entire weight of the LCD monitor is reduced.
Patent KR-20010050207-A (KR)
Inventor: ANDO AKIRA
IPC: H01L41/187
Filed: 2000-08-25
Abstract: PURPOSE: A piezoelectric ceramic composition is provided which consists essentially of CaBi4Ti4O15, is capable of being calcined at 1100 deg.C or less, exhibiting an electromechanical coupling coefficient kt in a level to be practically applied, and is useful as a material for a piezoelectric ceramic element or the like, such as piezoelectric ceramic filter, a piezoelectric ceramic oscillator and a piezoelectric ceramic transducer. Also, a piezoelectric ceramic element using the composition is provided. CONSTITUTION: The piezoelectric ceramic composition consists essentially of the main component represented by the general formula, CaBi4Ti4O15, characterized at least by W of 0.5 or less (not including 0) mole based on 1 mole of Bi included in the main component represented by the general formula. Thus, the main component can be represented by the general formula CaBi4(Ti1-yWy)4O15 (y is 0.5 or less, not including 0). Also, in the main component, Ca can be replaced with 0.125 mole or less (not including 0) mole (based on 1 mole of Bi) of bivalent metal selected from Mg, Sr and Ba, or with 0.075 mole or less (not including 0) mole of (based on 1 mole of Bi) of trivalent metal selected from La, Ce, Pr, Nd, Sm, Gd, Dy, Er, Yb, Sc and Y. In addition, the composition further comprises 1.5 wt% or less (calculated as MnCO3) of Mn.
Patent KR-20020016399-A (KR)
Title: Intelligent inverter
Inventor: LEE JONG HWA
IPC: G05F1/565
Filed: 2000-08-25
Abstract: PURPOSE: An inverter having data processing function is provided to automatically change a luminance by adjusting a reference voltage of an error amplifier using a luminance sensor. CONSTITUTION: A switching element(Q3) is connected between an input terminal of a transformer(1) and an input power(Vin) to determine a supply of the power. An error amplifier receives a feedback signal via an inverted negative terminal and a reference voltage via a non-inverted positive terminal. A comparator compares the reference voltage with an output signal received from the inverted terminal of the amplifier to control an on/off of the switching element based on the compared result. A luminance sensing part is connected to an input terminal of the input power to change the reference voltage of the amplifier by varying its ohmic value depending on an ambient luminance.
Patent KR-20000072283-A (KR)
Inventor: KIM HYO JONG
IPC: H02M7/217
Filed: 2000-08-25
Abstract: PURPOSE: A power saving circuit of a power system and an adaptor is provided to achieve the superior power saving effect by automatically switching into the power saving mode when the appliance is not used for a predetermined time. CONSTITUTION: A power saving circuit comprises an output transformer(1) for transforming an input voltage into an output voltage. An output rectifying portion(2) generates a stable output voltage. A returning portion(3) is provided for detecting and returning the output voltage so as to stably maintain the output voltage. A control portion(4) generates a driving signal and supplies a control signal to a driving section(5) according to the returning signal. A power saving function is displayed by a signal outputting section(7). An auxiliary power section(6), a power saving switch driving section(8) and a power saving signal input section(9) are communicated to each other so as to perform the power saving function.
Patent KR-20020017046-A (KR)
Title: Coating method of integrated circuit chip shipping tray
Inventor: KIM JONG EUN
IPC: H01L21/48
Filed: 2000-08-28
Abstract: PURPOSE: A method for coating an IC chip shipping tray is provided to control easily a surface resistance by coating a conductive coating agent including a conductive polymer, a binder, and a solvent on a surface of an IC chip shipping tray. CONSTITUTION: A conductive coating agent includes conductive polymer of 0.5 to 5 weight percents, a binder of 10 to 50 weight percents, and a solvent of 40 to 85 weight percents. The conductive coating agent of thickness of 0.1 to 2 micron is coated on a surface of a shipping tray by using a spray. In addition, the conductive coating agent of thickness of 0.1 to 2 micron is coated on the surface of the shipping tray by soaking the shipping tray into the conductive coating agent. The conductive coating agent is dried under a normal temperature or 25 to 125 degrees centigrade during 1 to 20 minutes.
Patent KR-20020018227-A (KR)
Title: A method for manufacturing tapered plates with lengthwise symmetry
Inventor: KIM GYU BYEONG
IPC: B21B1/22
Filed: 2000-09-01
Abstract: PURPOSE: A method is provided to manufacture tapered plates which not only have different thickness but also are symmetrical in a length direction. CONSTITUTION: The method for manufacturing tapered plates setting a target taper amount from information on a thin side part thickness(h) and a thick side part thickness(H) of a target plate in the lengthwise rolling process after smoothing rough rolling and widthwise rolling a material to be process in a plate rolling mill; determining pass numbers of imaginary taper rolling from the set target taper amount; calculating a roll separation force(Phi) and a thin side thickness(hi) corresponding to the thin side part at an arbitrary pass(i), and a thickness(Hi) and a roll separation force(PHi) of the thick side part having the same reduction ratio as that of the thin side part; obtaining a rolling speed(Vi) at an arbitrary pass(i) before the final pass and a rolling speed(Vfi) at the final pass using a roll gap moving speed(RESP) of the rolling mill; obtaining a bender force(FWRB) for obtaining a target plate flatness(εi); and performing taper rolling as many as N passes by providing with a bender force of work rolls with the rolling speed as ascending or descending the work rolls as much as the pass line based on the set all rolling information.