baber/WOPTO huggingface dataset:
Patent KR-20140007933-A (KR)
Inventor: KOCHI MINORU
IPC: B23D17/04
Filed: 2012-03-12
Abstract: 본 발명은, 케이블의 절단 작업이 용이한 전동식(電動式) 케이블 커터를 제공한다. 동력원으로 되는 표준의 핸드헬드 타입(hand-held type) 공구와 병용되는 전동식 케이블 커터로서, 기어 박스로서의 하우징(1)과, 하우징에 지지되어 상대적으로 개폐되는 한 쌍의 절단날(11, 12)과, 핸드헬드 타입 공구로부터 동력을 입력하는 한 쌍의 직교형 기어와, 한 쌍의 직교형 기어 측의 출력 기어에 장착되는 편심 축부(軸部)를 가지는 구동축과, 구동축의 회전을 감속하는 차동(差動) 기어 기구와, 차동 기어 기구 측의 출력 기어의 편심 회전을 중심선 상의 회전으로 교정하는 올덤 커플링(Oldham joint)를 포함하고, 한 쌍의 절단날 중, 한쪽의 절단날에 개폐 가능하게 축지지되는 다른 쪽 절단날의 원호형 외측면에 올덤 커플링 측의 출력 기어와 서로 맞물리는 외측 톱니부를 형성하고, 또한 한 쌍의 직교형 기어 측의 입력 기어를 원터치로 착탈할 수 있는 어댑터 핀을 통하여 핸드헬드 타입 공구와 접속한 것을 특징으로 하는 전동식 케이블 커터를 제공한다.
Patent KR-20140014220-A (KR)
Inventor: PERNEL CAROLE
IPC: H01L31/18
Filed: 2012-03-05
Abstract: 본 발명은 100 나노미터 이상의 진폭을 갖는 복수의 릴리프(102)를 포함하는 텍스쳐화 표면에 전도성 또는 반전도성 패턴을 생성하는 방법으로서, 하기의 단계를 포함하는 것을 특징으로 하는 방법에 관한 것이다: 
- 기판의 텍스쳐화 표면 전체가 전기 전도성이 되도록 기판(100, 110)을 제조하는 단계(10); 
- 전도성이 된 상기 텍스쳐화 표면에 임프린트 가능한 소재(120)의 하나 이상의 레이어가 놓이도록 코팅하는 단계(20);  
- 상기 임프린트 가능한 소재로 몰드의 계곡부 또는 돌출부를 이동시켜 그 내부에 패턴을 형성하기 위해 계곡부 또는 돌출부를 포함하는 몰드(130)를 프레싱하는 단계(30); 
- 상기 임프린트 가능한 소재(120)에 상기 패턴(132)의 임프린트를 남기면서 상기 몰드를 제거하는 단계(40); 
- 상기 패턴 하부의 전기 전도성이 된 상기 텍스쳐화 표면을 노출시키는 단계(50); 및 
- 전도성 또는 반전도성 패턴(140, 150)을 형성하기 위해 상기 패턴(132)에 하나 이상의 전기 전도성 또는 반전도성 소재를 전기적으로 증착시키는 단계(60).
Patent KR-20140010446-A (KR)
Inventor: DRUMM STEFAN A
IPC: B60T17/06
Filed: 2012-03-22
Abstract: 본 발명은 하우징 (6), 충전 개구 (9), 폐쇄 엘리먼트 (10), 및 자동차 브레이크 시스템의 유압식 공급기용 적어도 하나의 유압식 연결부를 포함하는 유압식 자동차 브레이크 시스템용 압력 매체 저장소 (1) 에 관한 것이다.     본 발명의 문제는, 압력 매체의 변동하는 충전 레벨을을 신뢰할 만하게 관리하는 것, 그럼에도 불구하고 최소 저장소 사이즈를 제공하는 것, 및 자동차 유지보수를 단순화하는 것으로 이루어진다.     이 문제를 해결하기 위해서, 압력 매체를 수용하기 위해서 특정 설계를 갖는 한정된 볼륨 저장소 (13) 가 제공되고, 이 볼륨 저장소는 충전 개구 (9) 에 폐쇄 엘리먼트 (10) 를 배열함으로써 유압식으로 효과적인 방식으로 스위칭될 수 있다.
Patent KR-20130138314-A (KR)
Inventor: CHAUDHRI IMRAN
IPC: G06F3/041
Filed: 2010-03-12
Abstract: 디스플레이 및 터치 감지 표면을 갖는 전자 장치에 의해 방법이 수행된다. 이 방법은 진행 아이콘을 표시하는 단계; 전자 장치를 이용하여 콘텐츠를 제공하는 동안에, 진행 아이콘에 대응하는 위치에서 접촉을 검출하는 단계; 제1 소정 방향에 평행한 디스플레이 상의 이동에 대응하는 방향으로의 터치 감지 표면 상의 이동의 제1 성분 및 제1 소정 방향에 수직인 디스플레이 상의 이동에 대응하는 방향으로의 터치 감지 표면 상의 이동의 제2 성분을 포함하는 접촉의 이동을 검출하는 단계; 및 터치 감지 표면 상의 접촉을 계속 검출하는 동안에, 터치 감지 표면 상의 이동의 제2 성분이 증가함에 따라 감소하는 스크러빙 레이트로 콘텐츠 내의 현재 위치를 이동시키는 단계를 포함한다.
Patent KR-20140074868-A (KR)
Inventor: ANNAPRAGADA ANANTH
IPC: A61K49/04
Filed: 2012-04-06
Abstract: 지질-기반 나노입자 조성물들이 제공된다.  일반적으로, 조성물들은 지질-친수성 중합체-아밀로이드 결합 리간드 공액체들을 포함하며, 리포솜 조성물들일 수 있다.  리포솜 조성물들을 포함하는 조성물들은 알츠하이머병의 특징인 아밀로이드-β 플라크 침착들의 치료 및/또는 영상화에 유용할 수 있다.
Patent KR-20140030201-A (KR)
Inventor: VERGEER NIELS
IPC: G03F9/00
Filed: 2012-04-23
Abstract: 본 발명은 리소그래피 시스템에 사용되는 기판에 관한 것으로, 해당 기판은 다수 구조의 배열을 포함하는 적어도 부분적으로 반사성인 위치 마크를 포함하며, 상기 배열은 상기 마크의 종방향을 따라 연장되며, 상기 다수의 구조는 상기 마크의 반사 계수가 종방향을 따라 변화되도록 배열되며, 상기 반사 계수는 미리 정해진 파장에 대해 결정된다.  일 실시예에서, 정반사 계수는 기판을 따라 변하며, 고차 회절은 실질적으로 기판에 의해 흡수된다.  따라서, 기판 상의 빔의 위치는 기판 내에서의 반사의 강도를 기초로 결정될 수 있다.  본 발명은 기판과 함께 사용되는 위치 기구 및 리소그래피 시스템, 그리고 기판 제조 방법에 관한 것이기도 하다.
Patent KR-20140048144-A (KR)
Inventor: ZONNEVYLLE AERNOUT CHRISTIAAN
IPC: H01J37/147
Filed: 2012-05-30
Abstract: 본원 발명은 대전 입자 다중-빔릿 장치에서 복수의 대전 입자 빔릿들 중의 하나 이상의 대전 입자 비임들의 조작을 위한 방법 및 장치에 관한 것이다.  조작기 디바이스는 기판의 평면 내의 관통 개구부들의 어레이를 포함하는 평면형 기판으로서, 상기 관통 개구부들의 각각은 하나 이상의 대전 입자 빔릿의 통과를 위해서 배열되고, 상기 관통 개구부들의 각각이 상기 관통 개구부 주위에 배열된 하나 이상의 전극들을 구비하는, 평면형 기판, 그리고 상기 각각의 관통 개구부의 하나 이상의 전극들로 제어 신호들을 제공하기 위한 전자 제어 회로를 포함하며, 상기 전자 제어 회로는 적어도 실질적으로 아날로그 조정가능한 전압을 상기 각각의 개별적인 관통 개구부의 하나 이상의 전극들로 제공하도록 배열된다.
Patent KR-20150081396-A (KR)
Title: Power supplying apparatus
Inventor: KIM CHONG EUN
IPC: H02M3/22
Filed: 2014-01-03
Abstract: The present invention relates to a power supply device. The device includes a main power supply part including a transformer transforming input power by switching the input power, and providing main power to a main output terminal by converting the input power into the main power having a predetermined size; a power delivering part supplying the main power to a standby power supply part; and the standby power supply part including a sub coil combined with the transformer, supplying operation power to a first controller by the sub coil when the main power supply part is being operated, and supplying the main power to a second controller and a standby output terminal.
Patent KR-20150081941-A (KR)
Inventor: SUNG JAE HYUN
IPC: G06F1/16
Filed: 2014-01-07
Abstract: Disclosed is a portable terminal comprising: a base unit; a frame combined to be relatively rotatable to the base unit; a latch bar installed to move both directions in the base unit, locking the frame arranged to cover the base unit when moving in one direction, and unlocking the frame when moving in other direction; and a locking unit respectively installed on the base unit and the latch bar, and moving the latch bar using electromagnetic force.
Patent KR-20150085287-A (KR)
Inventor: JUNG YE JI
IPC: A23G3/48
Filed: 2014-01-15
Abstract: The present invention relates to a candy for preventing users from sleeping when users study or drive, including 1-1.5 wt% of a lemon solution, 1.0-1.5 wt% of a Mentha arvensis var. piperascens solution, 0.7-1.0 wt% of a Brassica juncea solution, 0.3-0.5 wt% of a red pepper solution, 1.0-1.5 wt% of coffee, 10-15 wt% of sugar and 40-50 wt% of malt.
Patent KR-20150085339-A (KR)
Inventor: NAMKUNG MYOUNG CHAN
IPC: B26B21/40
Filed: 2014-01-15
Abstract: The present invention relates to a razor blade and a razor blade assembly having the same, which are hygienic, can prevent damage to skin by a blade, and can be easily exchanged. According to an embodiment of the present invention, a razor blade comprises a body unit and a razor blade unit. The body unit forms a body and has a first length and a first thickness. The razor blade unit is integrally formed in an end portion of the body unit to have a first angle with the body unit and has a second thickness and a second length, wherein a blade is integrally formed in a dead end portion.
Patent KR-20150085758-A (KR)
Inventor: JEON JAE SIC
IPC: G06F19/00
Filed: 2014-01-16
Abstract: Disclosed are a system to generate indoor temperature information using point-of-interest (POI) and a method for generating indoor temperature information using point-of-interest and a device thereof. The system to generate indoor temperature information using point-of-interest can measure the current location and the temperature at the current location and transmit the results and the POI check data to the server to acquire the indoor location corresponding to the temperature data from the server. By using the temperature data corresponding to the indoor location acquired, an indoor temperature map can be created and then the indoor temperature map can be used to provide more accurate indoor temperature data.
Patent KR-20150086792-A (KR)
Inventor: JUNG GU HO
IPC: H02J7/00
Filed: 2014-01-20
Abstract: A wireless power supply device according to one embodiment of the present invention includes a feeding line which includes a pair of feeding cores which include a plurality of stick-shaped magnetic field forming parts arranged in a preset direction, are arranged in parallel with a preset width, and generates a magnetic field whose direction is periodically changed according to the phase change of AC power by receiving the AC power and a power supply unit which is partially arranged on the center of the feeding core and supplies the AC power to the feeding core.
Patent KR-20150050298-A (KR)
Inventor: CHOI JAE JOON
IPC: G06Q20/40
Filed: 2014-01-22
Abstract: A payment method using a user fingerprint according to an embodiment of the present invention comprises: a step for receiving and detecting a fingerprint from a user in response to a request for fingerprint verification transmitted from a payment relay server in response to a payment request; a step for transmitting a verification result of the fingerprint to the payment relay server; a step for receiving a verification number from a communications server corresponding to an identification number included in the payment request, and transmitting a corresponding number entered by the user based on the verification number to the communications server via the payment relay server; and a step for receiving a payment result in which the payment relay server receives from the communications server carrying out the payment from the payment relay server based on a comparison result of the corresponding number and the verification number.
Patent KR-20150087666-A (KR)
Inventor: KIM MIN SOO
IPC: G06F3/14
Filed: 2014-01-22
Abstract: The present invention relates to a method for providing an input interface for a mobile terminal. The method includes: an operation of recording an input means arranged on the rear side of the mobile terminal; an operation of displaying the input means on the input interface; and processing an input corresponding an input unit based on the motion of the input means for the input unit of the input interface. The present invention can also be implemented as other various embodiments.
Patent KR-20150094904-A (KR)
Inventor: YUN JONG HO
IPC: F25D23/00
Filed: 2014-02-12
Abstract: According to the present invention, a refrigerator comprises: a main body to form a storage space; a door to open and close the storage space; a dispenser provided on the door to discharge water; a filter provided in the main body to purify water supplied from an external water source in order to supply the water to the dispenser; two headers to fixate the filter; a connector to connect the two headers, and provide a flow passage between the two headers; and a bracket to allow the connector and the header to be seated and to fasten the connector. According to the present invention, the refrigerator has improved watertight features, can securely be mounted without a clearance of a filter apparatus, enables workers to conveniently work, and has improved reliability of use. As such, the present invention improves operational performances of a product when applied to a filter apparatus of a refrigerator.
Patent KR-20150096918-A (KR)
Inventor: PARK HYUN YONG
IPC: F21V17/00
Filed: 2014-02-17
Abstract: 본 발명은 형광등 타입 엘이디 조명기구에 관한 것으로서, 본 발명에 따른 형광등 타입 엘이디 조명기구는 일측에 고정면이 형성된 방열프레임;과, 다수의 엘이디가 이격 배치되어 방열프레임의 고정면에 고정되는 회로기판;와, 상기 회로기판의 상측에 배치되어 엘이디로부터 방출된 빛을 확산시키는 확산커버;와, 상기 방열프레임의 양단부에 각각 분리가능하게 결합되는 엔드캡; 및, 상기 엔드캡을 방열프레임에 고정하는 고정부;를 포함하며, 상기 엔드캡은 제1규격용 제1접속단자를 갖는 제1엔드캡과, 제2규격과 상이한 제2규격용 제2접속단자를 갖는 제2엔드캡 중 어느 하나가 선택적으로 방열프레임의 단부에 결합되어 이루어지는 것을 특징으로 한다.
Patent KR-20150098448-A (KR)
Title: A scroll compressor
Inventor: KIM SU CHUL
IPC: F04C29/00
Filed: 2014-02-20
Abstract: An embodiment of the present invention relates to a scroll compressor. According to the embodiment of the present invention, the scroll compressor comprises: a casing having a rotating shaft; a discharge cover fixated on the casing to divide an inside of the casing into an intake space and a discharge space; a first scroll to perform a turning movement by a rotation of the rotating shaft; a second scroll provided on one side of the first scroll to form a number of compressing chambers along with the first scroll, and to have a middle pressure discharge hole which can be connected to a compressing chamber having a middle pressure from among the number of compressing chambers; a back-pressure plate combined with the second scroll to have a middle pressure inhalation hole connected to the middle pressure discharge hole; a floating plate placed on one side of the back-pressure plate to be able to move and to form a back-pressure chamber along with the back-pressure plate; and a discharge guide unit formed on the first scroll or the second scroll to guide a discharge of the refrigerant in the back-pressure chamber.
Patent KR-20150099283-A (KR)
Inventor: BAEK GUK SIL
IPC: G06F9/44
Filed: 2014-02-21
Abstract: A method for providing an application developing environment according to an embodiment of the present invention comprises the steps of: separately storing a form page as two or more pages; displaying a first screen showing connection between a plurality of pages constituting an application; displaying a second screen showing connection between a plurality of components defined by an intermediate language for any one of the pages; displaying a third screen graphically showing connection for a database and data binding by connecting icons corresponding to one or more databases through a drag and connect scheme; generating a first code consisting of an intermediate language corresponding to connection between a first component and a second component, when the first component including event information and the second component including action information are connected through an arrow on the second screen; displaying a selection screen for selecting a target browser having the application installed therein; identifying resolution information of a terminal in which a target browser selected through the selection screen is operated; determining a layout of the components based on the resolution information and arrangement information corresponding to an arrangement state of at least one component displayed on the second screen; and converting the first code into the second code according to the determined layout.
Patent KR-20150106650-A (KR)
Title: 다기능 호신용 복합기 및 이의 제어방법
Inventor: JIN MYUNG HO
IPC: F41B11/66
Filed: 2014-03-12
Abstract: 본 발명은 다기능 호신용 복합기에 관한 것으로, 여성이 휴대하기 용이하고, 강력 범죄 상황에서 호신용으로 사용될 수 있도록 한 다기능 호신용 복합기에 관한 것이다. 본체; 본체의 내부에 수용되는 약제탱크; 본체의 일측에 형성된 노즐; 약제탱크의 약물을 노즐을 통해 일정량씩 분사하도록 본체의 내부에 형성된 펌핑장치;를 포함하고, 펌핑장치는, 본체의 외부에 형성되어 온오프를 제어하는 버튼; 버튼의 온작동시 흡입과 토출을 반복하는 펌프체; 펌프체에 전원을 공급하는 배터리;를 포함하여 구성된다.  
이에 따르면, 스마트폰 케이스에 탈착시킬 수 있어 휴대가 용이하고, 최루액을 안면에 분사하여 무력화시킬 수 있으면서 아울러 고음의 경보음이 발생되어 심리적인 위축을 유발할 수 있어 범죄 퇴치에 효과적이다.
Patent KR-20140064740-A (KR)
Title: Method of transmitting and receiving a signal and apparatus thereof
Inventor: KO WOO SUK
IPC: H04L27/26
Filed: 2014-03-14
Abstract: The present invention relates to a method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal. A method for receiving a signal in the present invention comprises the steps of: receiving a signal transmitted in a radio frequency (RF) band including at least one RF channel; demodulating the received signal; parsing a signal frame of the received signal and parsing and outputting a preamble of the signal frame including layer-1 information; deinterleaving bits of the layer-1 information, decoding the deinterleaved bits using an error correction decoding scheme including a shortening scheme and a puncturing scheme; and parsing the signal frame and obtaining physical layer pipes (PLPs) from the signal frame using the error-correction-decoded layer-1 information.
Patent KR-20150107531-A (KR)
Inventor: KIM TAE HOON
IPC: G06F17/21
Filed: 2014-03-14
Abstract: The present invention relates to a method and an apparatus for decoding an electronic document in a mobile environment and, more specifically, to a method and an apparatus for decoding encoded data of an electronic document partially received in a mobile environment, and integrating encoded data of the electronic document, additionally received afterwards, with the previously received encoded data to decode the integrated data. The method for decoding the electronic document in the mobile environment according to an embodiment of the present invention comprises the steps of; checking whether receiving the encoded data is finished; in the case of receiving only a portion of the encoded data, performing a temporary decoding operation based on the received fragmented encoded data and storing the fragmented encoded data; and in the case of receiving the remaining encoded data and finishing receiving the encoded data after receiving the fragmented encoded data, decoding the encoded data based on the fragmented encoded data and the remaining encoded data. The present invention, in the case of receiving an e-mail or the electronic document in the mobile environment, may store and check partially received encoded data and continuously receive the remaining encoded data in addition to the prestored encoded data, thereby being capable of using the complete encoded data without losing time and costs.
Patent KR-20150112407-A (KR)
Inventor: HONG MYEUNG BO
IPC: G01R31/36
Filed: 2014-03-28
Abstract: Disclosed is a method for managing the battery of an uninterruptible power supply. According to an embodiment of the present invention, the method for managing the battery of an uninterruptible power supply comprises the step of: setting the output electric current of a rectifier as a value smaller than the rated electric current of a load terminal; measuring a drop in the voltage of the battery when the battery outputs an electric current which is a difference between the rated electric current of the load terminal and the output electric current of the rectifier; and determining whether or not the battery is in a normal state by comparing the characteristics of a drop in the voltage of a battery in a normal state with the characteristics of the measured drop in the voltage of the battery.
Patent KR-20150114292-A (KR)
Inventor: KIM JU YOUNG
IPC: G06F21/00
Filed: 2014-04-01
Abstract: The present invention relates to a technology for detecting a game robot by using an analysis result of action patterns of an online game robot. According to an aspect of the present invention, provided is a method for detecting a game robot by using online game log data which includes the steps of: analyzing action patterns of the game robot by analyzing log data of a character being played in a game; defining game robot detection equations by expressing the action patterns in equations and also defining external factors, related to characteristics of an action of the game robot, as the action pattern; grouping the game robot detection equations and the action patterns and determining weighted values for each group; and verifying the grouped game robot detection equations and action patterns.
Patent KR-20150069501-A (KR)
Inventor: LIM KYEONG WON
IPC: A45C11/00
Filed: 2014-04-08
Abstract: A shutter case of the present invention includes: a frame that comprises an outline part and a back side part which cover and hold an object to be stored, a rail formed on the outline part, and a storage part, which communicates with the rail and is formed between the object and the back side part; and a shutter which slides along the rail to cover a front side of the frame or to be stored in the storage part. A user can open and close the shutter-type front side by smoothly sliding the front side in the horizontal or vertical direction with one finger. Therefore, the shutter case can be conveniently used.
Patent KR-20150118496-A (KR)
Title: Ultrasonic Probe
Inventor: CHO KYUNG IL
IPC: G01N29/24
Filed: 2014-04-14
Abstract: Provided is an ultrasonic probe for emitting heat generated by a transducer to the outside through a heat pipe and a heat radiation unit. The ultrasonic probe includes: a housing; a transducer installed inside the housing for generating an ultrasonic wave; a heat pipe for delivering heat generated by the transducer; a heat radiation unit connected to the heat pipe for emitting the heat delivered through the heat pipe to the outside of the housing; and a partition for separating an inner space of the housing.
Patent KR-20150119631-A (KR)
Title: Frame for paper pot
Inventor: SHIN YONG
IPC: A47J36/34
Filed: 2014-04-16
Abstract: The present invention relates to a frame for a paper pot which has a rectangular pot shape consisting of metal material and allows anybody to conveniently carry and easily assembly to use. According to the present invention, to use a paper pot fed therein, a pot frame having a new rectangular frame shape with a plurality of metal material plates capable of being easily assembled and disassembled in a mutual fitting or hinging type is provided. Accordingly, a volume is small, and weight is light, so the frame can be not only easily carried and treated but also conveniently and safely used by anyone.
Patent KR-20150119634-A (KR)
Inventor: KIM KWANG TAE
IPC: A62C2/22
Filed: 2014-04-16
Abstract: The present invention relates to an integrated smoke control system based on context-aware technology, and an integrated smoke control method based on context-aware technology using the same. More specifically, the present invention relates to an integrated smoke control system based on context-aware technology which recognizes an attachment in a front room on each floor in each line in real time which is a restricted area, and organically controls a start of a ventilator in accordance to the recognized attachment state on each floor in each line, and an integrated smoke control method based on context-aware technology using the same.
Patent KR-20150120189-A (KR)
Title: Position tracking method and system using mobile terminal
Inventor: PARK HEUNG SEOK
IPC: H04W8/08
Filed: 2014-04-17
Abstract: A system for tracking a position using a portable terminal, according to the present invention, comprises: a tracked apparatus held by a tracking target to be tracked, to which identification information is assigned, and which periodically broadcasts a packet including the identification information to be transmitted to a management server via other apparatuses; a tracking application installed in a portable terminal of a user who wants to track the tracking target, and connected to the tracked apparatus; and a management server for storing identification information of the tracked apparatus, obtaining positional information of the tracking target based on positional information of other apparatuses, when the identification information is received from one or more other apparatuses, and providing the obtained positional information to the tracking application. The tracking application displays the positional information when the positional information is provided from the management server.
Patent KR-20150120777-A (KR)
Title: A fixation tool for opening wedge high tibial osteotomy
Inventor: PAIK HAE SUN
IPC: A61B17/80
Filed: 2014-04-18
Abstract: The present invention relates to a fixing instrument for open-wedge high tibial osteotomy, and more specifically, to a fixing instrument for open-wedge high tibial osteotomy, which is installed on the tibia cut through tibial osteotomy, and comprises: a fixing plate including a head portion provided with a plurality of nut holes, and a thin and long plate having a plurality of nut holes and an elongated hole and formed so as to protrude from one side of the head portion; screws which are coupled to the nut holes; and a block detachably installed on the elongated hole by using a fixing screw. As a result, the instrument can be closely fixed to the tibia opened due to the open-wedge high tibial osteotomy, thereby enabling solid fusion of the tibia.
Patent KR-20150123464-A (KR)
Title: Calculation Method for Optimum Preventive Maintenance Frequency Considering Availability and Net Profit
Inventor: SONG KANG HYUN
IPC: G06F19/00
Filed: 2014-04-25
Abstract: The present invention relates to a method for calculating an optimum preventive maintenance frequency based on availability and a net profit. More particularly, the present invention provides the method for calculating the optimum preventive maintenance frequency based on operating expenditures and failure rate data according to equipment of a topside process of a liquefied natural gas floating production storage offloading. According to the present invention, the availability of the whole system and the net profit are maximized by determining the optimum preventive maintenance frequency of the topside process of the liquefied natural gas floating production storage offloading.