baber/WOPTO huggingface dataset:
Patent KR-20190092586-A (KR)
Title: 에너지 흡수부재
Inventor: HARASHIMA SHUNSUKE
IPC: F16F7/12
Filed: 2018-10-17
Abstract: 충격을 받은 순간의 반동이 작고 또한 충격에 의한 파괴가 균일하게 진행되어 안정적으로 충격을 흡수할 수 있는 에너지 흡수부재를 제공한다. 에너지 흡수부재(21)는 인장 강도 S(GPa), 인장 탄성률 M(GPa), 및 신률 E(%)가, 하기 식 (1)을 만족시키는 강화 섬유(22)와 강화 섬유(22)에 함침된 경화성 수지 조성물로 구성되는 중공 원통형의 섬유 강화 복합재로 이루어진다. 상기 섬유 강화 복합재에서의 강화 섬유(22)의 체적 함유율이 30~80%이다. 
11.0≤S 2 ×M 1/8 /E 1/2 ≤22.0    ···(1)
Patent KR-20190102038-A (KR)
Title: 이송, 저장 및 취급을 위한 시스템과 방법
Inventor: THORESEN ØYVIND
IPC: F16L1/20
Filed: 2017-12-19
Abstract: 본 발명은 하나 이상의 긴 요소를 이송, 저장 및 취급하기 위한 시스템과 관련되며, 시스템은 중앙 수직축 주변을 회전하도록 설치될 수 있는 바스켓을 구비한다. 바스켓은 수직 회전축을 둘러싸는 내측 직립 벽체와 이 내측 직립 벽체의 외측에 이격된 외측 직립 벽체 및 마루판을 구비하고, 내측 직립 벽체와 외측 직립 벽체와 마루판은 상부가 개방된 챔버를 형성하여 긴 요소를 수용한다. 시스템은 바스켓을 지지하도록 사용되는 복수의 페데스탈 및 바스켓에 긴 요소를 감거나 풀기 위해 사용되는 이송가능한 구동 유닛을 더 구비한다. 이 시스템에 따른 방법도 언급된다.
Patent KR-20190108626-A (KR)
Title: 분체막 형성방법  및  분체 성막장치
Inventor: NISHIURA SOUSUKE
IPC: B05D1/06
Filed: 2018-02-05
Abstract: 본  발명의  분체막 형성방법은,  스크린판(2)에  형성된  개구부(3)에  분체(9)를  충전하는  충전공정과,  스크린판(2)과  기판(10)의  사이에  전위차를  발생시켜,  개구부(3)에  충전된  분체(9)를  기판(10)으로  이동시킴으로써,  분체막(11)을  형성하는  성막공정을  구비한다.
Patent KR-20190107764-A (KR)
Inventor: ISHISONE TAKAHIRO
IPC: H01L51/00
Filed: 2014-08-11
Abstract: 본 발명은 형광 및 인광을 이용하며, 실용에 유리한 다색 발광 소자를 제공한다.  발광 소자는 호스트 재료 및 형광성 물질을 포함하는 제 1 발광층과, 2종류의 유기 화합물 및 삼중항 들뜸 에너지를 발광으로 변환할 수 있는 물질을 포함하는 제 2 발광층의 적층 구조를 갖는다.  또한, 제 1 발광층으로부터 발해지는 광은 제 2 발광층으로부터 발해지는 광보다 짧은 파장 측에 발광 피크를 갖는다.
Patent KR-20190120295-A (KR)
Title: 함몰형 hdi 기판의 제조방법
Inventor: ZHANG CHENGLI
IPC: H05K3/46
Filed: 2018-01-30
Abstract: 함몰형 HDI 기판의 제조방법에 있어서, 내층 연성 기판을 제조하는 단계(4); 내층 연성 기판(4)의 상하 양측 또는 동일한 측에 애더티브법 공정으로 외층 경성 기판(1)과 도통하는 도통 구리 기둥(2)을 제조하고, 도통 구리 기둥(2)을 전기 도금하는 단계; 내층 연성 기판(4)의 상하 양측 또는 동일한 측에 외층 경성 기판(1)과 서로 접착하는 절연 접착층(3)을 충진하고, 도통 구리 기둥(2)이 노출되도록 절연 접착층(3)의 표면을 연마하는 단계; 절연 접착층(3) 상에 애더티브법에 의한 전기 도금 공정을 통해 외층 경성 기판(1) 회로를 제조하는 단계; 함몰 영역(6)을 투조 가공하는 단계; 마지막으로 함몰 영역(6) 저부에 강판(5) 보강 가공을 진행하는 단계;를 포함한다. 본 방법은 종래의 기계 천공, 레이저 천공의 도통 방식 대신 애더티브법에 의해 전기 도금된 도통 구리 기둥(2)을 사용하므로, 최소 직경이 0.05mm가 될 수 있고, 도통 구리 기둥(2) 상에는 배선을 더 설계할 수 있고, 애더티브법으로 제조되는 회로의 최소 선폭은 15㎛를 충족시킬 수 있고, 보다 정밀한 회로를 제조할 수 있을 뿐만 아니라, 배선의 밀도를 크게 향상시킬 수 있고, 제조 공정이 간단하고, 비용이 저렴한 특징이 있고, 배선 가능한 설계 영역을 증가시켰다.
Patent KR-20190129088-A (KR)
Title: 신규 cas13b 오르소로그 crispr 효소 및 시스템
Inventor: COX DAVID BENJAMIN TURITZ
IPC: C12N15/113
Filed: 2018-03-15
Abstract: 본 발명은 핵산을 표적화하기 위한 시스템, 방법 및 조성물을 제공한다.      특히, 본 발명은 신규 RNA-표적화 Cas13b 이펙터 단백질 및 가이드 RNA 또는 crRNA와 같은 적어도 하나의 표적화 핵산 성분을 포함하는 비-천연 발생 또는 조작된 RNA-표적화 시스템을 제공한다.
Patent KR-20190139275-A (KR)
Title: 멀티-센서 자기 모니터링 이미징 시스템
Inventor: DAVID BURTON
IPC: A61B5/00
Filed: 2018-05-04
Abstract: 본 발명은, 어린이와 성인을 포함하는 대상의 뇌 또는 심장 활동을 이미징, 모니터링, 스캐닝, 또는 맵핑하기 위한 자기 모니터링 시스템을 제공하고, 이 시스템은, 뇌 활동 또는 심장 활동을 측정하기 위한 SQUID 센서들을 통합하고, 다양한 크기와 형상을 갖는 복수의 드와 헬멧을 포함하는, 자기뇌파기록 또는 자기심박기록 시스템; 및 복수의 감시 인터페이스를 포함하고, 센서 시스템 헬멧은 수평 드와 회전에 의해 이동가능하다. 센서 시스템은, 상이한 크기의 대상들을 수용하여 동시에 감시하도록 시스템에서의 헬멧의 크기와 형상이 상이할 수 있는 구성을 포함한다.
Patent KR-20200007824-A (KR)
Title: 하나 이상의 부품의 표면 개질 방법 및 이 방법을 수행하기 위한 반응기 장치
Inventor: WELZER BERND
IPC: C23C22/07
Filed: 2018-05-09
Abstract: 본 발명은, 0.5m 내지 12m 범위의 직경 또는 치수를 갖는 하나 이상의 부품(3)의 표면 개질 방법에 관한 것으로, 이 경우 하나 이상의 제1 반응기(2, 2') 내에서 하나 이상의 주 공정(400)이 수행되고, 하나 이상의 제2 반응기(2a, 2b) 내에서 하나 이상의 보조 공정(100)이 수행된다.  본 발명은 또한 상기 방법을 수행하기 위한 반응기 장치(1, 1')와도 관련된다.
Patent KR-20200042879-A (KR)
Title: 조직 감지 및 또는 자극하기 위한 혈관내 디바이스
Inventor: OXLEY THOMAS JAMES
IPC: A61F2/72
Filed: 2018-04-17
Abstract: 디바이스에 근접한 매체의 활동도를 자극하고 및/또는 감지하기 위해 동물의 혈관에 위치된 디바이스를 통해 신호를 전송하기 위한 디바이스, 방법 및 시스템으로서, 상기 매체는 조직 및/또는 유체를 포함한다.
Patent KR-20200010262-A (KR)
Title: 인터-알파 억제제 단백질을 정량화하는 방법
Inventor: LIM YOW PIN
IPC: C07K16/38
Filed: 2018-04-25
Abstract: IAIP 리간드-기반 검정을 사용하여 (예를 들어, 대상체로부터) 샘플 내 IAIP 수준을 정량화하는 방법이 본 명세서에 기재된다.IAIP-IAIP 리간드 복합체를 측정하는 방법 및 상기 언급된 IAIP 정량화 방법을 사용하여 대상체를 평가하고, 모니터링하고, 그리고 치료하는 방법이 또한 개시된다.
Patent KR-20200003051-A (KR)
Title: 인코히어런트 멱등 앰비소닉스 렌더링
Inventor: KLEIJN WILLEM BASTIAAN
IPC: H04S3/00
Filed: 2018-07-03
Abstract: 리스너에 대한 사운드들을 렌더링하는 기술들은, 소스 구동 신호들 각각의 진폭으로서, 두 항들, 즉 방정식  에 대한 솔루션( )에 기초한 제1 항, 및 A의 널공간으로의 특정된 벡터( )의 프로젝션에 기초한 제2 항의 합을 생성하는 것을 수반하며,  는 방정식  에 대한 솔루션이 아니다.  마찬가지로, 하나의 예에서, 제1 항은 무어-펜로즈 의사역행렬 예컨대  와 등가이다.  일반적으로, 방정식  에 대한 임의의 솔루션은 만족스럽다.  A의 널공간으로 프로젝팅된 특정된 벡터는 순 음장의 코히어런스를 감소시키도록 정의된다.  유리하게도, 결과적인 연산자는 선형 시-불변이면서 멱등이어서, 음장은 RSF 내부에서 그리고 인간 머리를 커버할 정도로 RSF 외부의 충분한 범위에서 충실하게 재생될 수 있다.
Patent KR-20200010361-A (KR)
Title: 이중-경화 에폭시-실록산 코팅 조성물
Inventor: BETZIG DIKRAN
IPC: C08L83/08
Filed: 2018-05-21
Abstract: 에폭시-작용성 성분 및 실록산-작용성 성분을 포함하는 이중-경화 코팅 조성물이 개시된다.  상기 에폭시-작용성 성분은 에폭시 수지 및 부식 억제제를 포함하고, 상기 실록산-작용성 성분은 폴리실록산 수지 및 반응성 유기 실란을 포함하며, 상기 에폭시-작용성 성분 및 상기 실록산-작용성 성분 중 하나 또는 둘 모두는 중합체 주쇄 내에 무기 작용기를 갖는 열경화성 공-결합제 수지를 추가로 포함한다.  코팅 조성물은 주위 조건 하에 제1 경화 반응 및 100℃ 이상의 온도에서 제2 경화 반응을 수행한다.  상기 코팅 조성물로부터 증착된 코팅으로 적어도 부분적으로 코팅된 기판, 및 상기 코팅 조성물로 기판을 코팅하는 방법이 또한 제공된다.
Patent KR-20200020732-A (KR)
Title: 물체의 측정으로부터 측정 데이터의 불확실성을 결정하는 방법
Inventor: GUNTHER THOMAS
IPC: G06T7/00
Filed: 2018-05-08
Abstract: 본 발명은 물체의 측정으로부터 측정 데이터의 불확실성을 결정하기 위한 컴퓨터-구현 방법에 관한 것으로, 측정에 의해 물체의 디지털 표현이 생성된다. 물체 표현은 다수의 항목들의 이미지 정보를 가지며, 한 항목의 이미지 정보는 상기 물체의 정의된 위치에서 상기 물체에 대한 측정 변수의 값을 나타낸다. 상기 이미지 정보에 통계 노이즈가 중첩된다. 이 경우, 상기 방법은 : 상기 물체 표현을 결정하는 단계; 상기 물체 표현에 관한 이미지 정보로부터 거리 필드를 결정하는 단계로서, 상기 거리 필드는 다수의 거리 값들을 가지며, 상기 거리 필드에서 특정 포인트에 대한 거리 값은 상기 포인트와 상기 물체의 가장 가까운 물질 경계면 사이의 최단 거리를 나타내는, 단계; 상기 이미지 정보에서 상기 통계 노이즈의 강도를 결정하는 단계; 상기 통계 노이즈의 강도에 기초하여 상기 거리 필드의 거리 값들의 불확실성을 결정하는 단계; 및 상기 거리 필드의 거리 값들의 불확실성으로부터 적어도 하나의 물질 경계면상의 적어도 하나의 포인트의 위치의 불확실성을 결정하는 단계를 포함한다.
Patent KR-20210090981-A (KR)
Title: Oxygen Separation Filter for Highly Concentrated Oxygen Supply for Vehicle Air Conditioners
Inventor: KIM TAE HO
IPC: F02B39/00
Filed: 2020-01-13
Abstract: The present invention discloses an oxygen membrane type intake air conditioner for a vehicle engine. The oxygen membrane type intake air conditioner for the vehicle engine of the present invention comprises: an oxygen supply unit; and a nitrogen separation unit. Since the oxygen membrane type intake air conditioner for the vehicle engine of the present invention configured as described above separates oxygen and supplies high-concentration oxygen to a combustion chamber of a vehicle, combustion efficiency and fuel efficiency can be improved.
Patent KR-20210094909-A (KR)
Title: Apparatus and method for providing personalized hair care service based on alopecia gene information
Inventor: LEE SEUNG WON
IPC: G16B5/00
Filed: 2020-01-22
Abstract: The present invention relates to technology for providing a personalized haircare service based on alopecia genetic information to provide a personalized haircare service customized to each person. According to the present invention, the apparatus for providing a personalized haircare service based on alopecia genetic information comprises: a preliminary hair loss user information receiving unit receiving hair loss genetic information and hair loss progress questionnaire information for a preliminary hair loss user; a hair loss gene learning unit generating a hair loss gene learning model built through neural network learning based on hair loss genes for existing preliminary hair loss users; a genetic hair loss progress determination unit analyzing the received hair loss genetic information on the basis of the hair loss gene learning model to determine a genetic hair loss progress; a subjective hair loss grade determination unit analyzing the hair loss progress questionnaire information to determine a subjective hair loss progress; a haircare product determination unit considering a subjective opinion on the basis of on the subjective hair loss progress to determine an emotional expression of haircare and considering a genetic diagnosis on the basis of the genetic hair loss progress to that determine a type of haircare additives; and a haircare product providing unit providing emotional expression information and additive recipe information about a personalized haircare product on the basis of the haircare emotional expression and the type of haircare additives to enable a haircare product producer to provide a personalized haircare product service to the preliminary hair loss user.
Patent KR-20210095379-A (KR)
Title: Water solubilizing method of tanshinone derivatives
Inventor: CHUNG YOUNG MI
IPC: A61K31/343
Filed: 2020-01-23
Abstract: The present invention provides a method for solubilizing a tansinone derivative, comprising a step of obtaining an extract in which the tansinone derivative is extracted with spirit by an extraction process after mixing Salvia miltiorrhiza, spirit, and casein. The extract having a high content of the tansinone derivative can be obtained by the method for solubilizing the tansinone derivative.
Patent KR-20210098774-A (KR)
Title: An electronic device for storing an external electronic device
Inventor: DUMIN KIM
IPC: H04R1/10
Filed: 2020-02-03
Abstract: An electronic device is disclosed. According to an embodiment, an electronic device for accommodating a pair of earbuds comprises: a housing in which a first portion of a bracket is accommodated; the bracket for providing a seating space in which at least portions of the earbuds can be accommodated; and a cover which is rotatably connected to the housing and can cover the seating space or an upper portion of the bracket so that the earbuds accommodated in the seating space are not exposed to the outside. A second portion of the bracket is exposed to the outside of the housing while covering a portion of the edge of the housing, and includes at least one protrusion protruding inward toward the edge of the housing. The edge of the housing has at least one groove which corresponds to the at least one protrusion and provides a space in which the at least one protrusion can move. The bracket can move between a first position and a second position according to the positions of the at least one groove and the at least one protrusion. Therefore, a user can easily take an external electronic device out of the electronic device. Other embodiments are also possible.
Patent KR-20210099784-A (KR)
Title: Data Storage Apparatus and Operation Method Thereof
Inventor: JIN YONG
IPC: G06F13/16
Filed: 2020-02-05
Abstract: The present invention relates to a data storage apparatus and an operation method thereof. In accordance with an embodiment of the present invention, the data storage apparatus can comprise: a storage unit which stores data by being divided into unit physical areas of a first size; and a controller which controls a data input/output for the storage unit in accordance with a request of a buffer memory and a host where a map table is loaded, which is a group of map data representing connection information of start physical address for a unit physical area as well as a logical address of the host, reads the map data from the buffer memory based on the map table address storing the map data for the logical address for which the host has requested for access, and remaps the map data by integrating the source map data of the buffer memory area with the number of errors of a first threshold value or higher with the sacrifice map data of one or more buffer memory areas with the number of errors of under the first threshold value. The present invention aims to provide a data storage apparatus and an operation method thereof, which are able to increase the life of a buffer memory apparatus.
Patent KR-20210099922-A (KR)
Title: Smart glass using biohealth technology
Inventor: JEONG HYEON SEO
IPC: A61B5/00
Filed: 2020-02-05
Abstract: The present invention produces smart glasses which can track the state of looking at a smartphone or monitor screen for a long time in real time, and provide a notification by estimating a viewing posture along with the time spent looking at a display screen. The present invention can prevent VDT syndrome for all age groups who frequently use smartphones and computers, and provide a VDT syndrome prevention service through application production later by using an Arduino board with Bluetooth communication. The smart glasses of the present invention use an IR light source and an IR light detector to sense eye movement and blinking, to alert a user by using an LED and a buzzer.
Patent KR-20200021965-A (KR)
Title: a gas station pump shared service management method and server device
Inventor: LIM SOON SEOP
IPC: G06Q10/02
Filed: 2020-02-11
Abstract: The present invention relates to a method for managing a lubricator (hereinafter, including all oil-dedicated meters such as for vehicles or heating, diesel or gasoline, and the like) sharing service and a server device therefor. The method for managing a lubricator sharing service comprises: a step in which a server manager establishes a system server such that three products between a server, a terminal and a lubricator communicate with each other and are used; a step in which a lubricator owner registers a location where a lubricator is installed, a model of a lubricator, lubricator state information, usage fee table, lubricator identification information and owner information in the server by using the terminal, or corrects the same; a step in which a lubricator user searches for information registered in the server by using the terminal and visits the location where the lubricator is installed to use the lubricator; a step in which the lubricator transmits usage information and a lubricator state to the server and the terminal; and a step in which the server stores information received from the lubricator, charges usage fee to the user such that the user pays, and pays the usage fee to the owner. According to the present invention, it is possible to manage a lubricator by an unmanned system server, thereby allowing an owner to reduce labor costs, allowing a lubricator user to use a lubricator at lower costs, and allowing all of a server manager, a lubricator owner and a user to accurately realize a usage state of a lubricator in real time.
Patent KR-20210105631-A (KR)
Inventor: HAN KYU DONG
IPC: C12Q1/6886
Filed: 2020-02-19
Abstract: The present invention relates to a biomarker composition for discriminating cancer using a mobile gene long interspersed element (LINE)-1 chimeric molecule, which uses a real-time polymerase chain reaction (RT-PCR) to quantitatively analyze the expression rates of cancer tissues and normal tissues within a short time. According to the present invention, an L1 chimeric transcriptome changing in cancer tissues is detected, thereby effectively discriminating the cancer tissues. Biomarker development using an RT-PCR is shared, thereby being applied to various cancer tissues. In addition, a pathological method of performing confirmation by staining tissue requires a professional manpower, whereas a molecular and cell biological method enables quick and objective discrimination. Accordingly, the present invention can be expected to be applied to development of cancer diagnostic markers.
Patent KR-20210111439-A (KR)
Title: Swash plate compressor with oil separator
Inventor: SEOK JAE BIN
IPC: F04B27/10
Filed: 2020-03-03
Abstract: A swash plate compressor includes: a housing forming a cylinder bore; a driving shaft installed in the housing to be rotatable and forming an oil passage; a swash plate placed in the housing while kept coupled with the driving shaft to be rotated together with the driving shaft; a plurality of pistons placed in the cylinder bore while kept connected with the swash plate to perform reciprocation in accordance with the rotation of the swash plate; a rear head coupled with the rear side of the housing and forming a discharge port; and an oil separator installed at the discharge port of the rear head to separate oil mixed with a refrigerant. The oil passage is extended in a longitudinal direction of the driving shaft while kept exposed to one end of the driving shaft such that the oil separated by the oil separator can be introduced. The driving shaft includes an oil discharge hole formed to be connected to the oil passage such that the oil in the oil passage can be discharged to both sides of the swash plate. Therefore, the present invention is capable of effectively supplying the oil separated by the oil separator to an operation component such as a thrust bearing.
Patent KR-20210116059-A (KR)
Title: Device for removing foreign material of domains grain-oriented electrical steel
Inventor: KIM DONG GEUN
IPC: H01F1/147
Filed: 2020-03-17
Abstract: Provided is an apparatus for removing foreign substances from a grain-oriented electrical steel sheet. The apparatus for removing foreign substances according to the present invention comprises: a foreign substance removal member disposed in a laser irradiation section; a removal member support unit having a support rod for supporting the foreign substances removal member; a first height adjustment unit for adjusting heights of both end units of the support rod, respectively; a second height adjustment unit; and a removal member exchange unit which enables exchange of the foreign substances removal member. An objective of the present invention is to provide the apparatus for removing the foreign substances from the grain-oriented electrical steel sheet so that the foreign substances can be removed from the surface of the steel sheet.
Patent KR-20210119156-A (KR)
Title: Diesel engine injector take away device
Inventor: KIM DUCK HO
IPC: B25B27/02
Filed: 2020-03-24
Abstract: The present invention provides an injector removal device for a diesel engine, which comprises a support post, a hitting lever, a screw shaft, and a guide shaft rod, so that an injector can be stably hit from the top to the bottom without fluidity but by the lever principle, and, in addition, the height and spacing can be easily adjusted according to the type of injector. Accordingly, the injector can be removed more easily and conveniently within a short period of time, and the operator can also use it conveniently, which has the effect of minimizing the fatigue caused by the removal operation.
Patent KR-20200117879-A (KR)
Inventor: KYUNGMIN CHOI
IPC: A61K9/16
Filed: 2020-03-30
Abstract: The present invention relates to: a metal organic framework (MOF) which coats a cyclodextrin (CD)-based MOF with a biodegradable and biocompatible polymer such as a polylactide-glycolide copolymer (poly(lactic-co-glyclic acid), PLGA), thereby being able to control the release amount and release rate of an active substance, and being capable of percutaneous administration; and a composition containing the same.
Patent KR-20210125276-A (KR)
Title: Server and method for providing commercial analysis services by genetic algorithm
Inventor: KIM JANG HYUN
IPC: G06N5/04
Filed: 2020-04-08
Abstract: Provided is a server for providing a business district analysis service according to one embodiment of the present invention, which includes: a memory in which a program for providing a business district analysis service is stored; and a processor for executing programs stored in the memory, wherein the processor receives sales information including business type of a business site, location, date and sales from a user terminal, in accordance with the execution of the program, and calculates the expected sales of the business site using a fuzzy system based on the sales information. The fuzzy system is modeled as a fuzzy system using pre-stored previous sales information including business type of the business site, location, date and sales based on parameters of the chromosome through the genetic algorithm, and an optimal fuzzy system is constructed through a fitness function to determine whether the fuzzy system model is suitable.
Patent KR-20210126306-A (KR)
Title: Battery module and battery pack including the same
Inventor: PARK SUBIN
IPC: H01M50/20
Filed: 2020-04-10
Abstract: The present invention relates to a battery module having rigidity and a simplified structure, and a battery pack including the same. The battery module according to an embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells are stacked; a lower frame for accommodating the battery cell stack; an upper plate covering the upper surface of the battery cell stack; and an end plate covering the front and rear surfaces of the battery cell stack, wherein module mounting units are formed at both ends of the upper plate.
Patent KR-20200122240-A (KR)
Title: Alkoxysilyl group-containing organic silazane compound, method for producing same, composition containing same and cured product
Inventor: KAWAKAMI MASATO
IPC: C09D7/20
Filed: 2020-04-13
Abstract: The present invention provides: an alkoxysilyl group-containing organic silazane compound that rapidly forms a cured film at room temperature, wherein the cured film obtained thereby is excellent in alcohol resistance; a manufacturing method thereof; and a composition and a cured product comprising the same. The alkoxysilyl group-containing organic silazane compound has an average composition represented by chemical formula (1), wherein R^1 is a monovalent hydrocarbon group and R^2 is a divalent hydrocarbon group, and Y is a group represented by following chemical formula (6) or (7). In the chemical formula (6) or (7): R^3, R^4, and R^5 are monovalent hydrocarbon groups; X is an oxygen atom or a divalent hydrocarbon group; p is an integer from 0 to 9; n is 0, 1 or 2; m is 0 or 1; r is 0, 1 or 2; and a and b are numbers satisfying 0 < a <= 1, 0 <= b < 1, and a + b = 1.
Patent KR-20210133420-A (KR)
Title: Method for manufacturing mask with improved protective power and face adhesion and the mask thereof
IPC: A62B23/02
Filed: 2020-04-29
Abstract: The present invention provides a method for manufacturing a mask with increased protective power and face adhesion and a mask thereof. According to the present invention, a rectangular sheet forming a mask body is cut while including a sheet protrusion part for inserting a hanging strap, which is hung on the ear to wear the mask body, on both sides of the sheet. The lower half of the sheet is folded inward to form a first folded lower sheet part, a second folded lower sheet part is formed by folding less than half of the lower part of a first folded sheet into the sheet once more, and a third folded lower sheet part is formed by folding less than half of the lower part of the second folded sheet to the outside of the sheet once more. First to third fold upper sheet parts are formed like the lower sheet parts. While wrapping a part of the hanging strap with an end part of the sheet protrusion part, both sides of the mask body formed up to the third upper and lower sheet parts and an end part of the sheet protrusion part are sewn together so that a hanging strap insertion part is formed to prevent the hanging strap from moving without being fixed, thereby increasing protective power and facial adhesion. Accordingly, a filter can be detachably attached to the mask while the mask can be made easily and quickly, thereby selectively increasing the protective power of the mask against fine dust and various bacteria and viruses from the outside and increasing adhesion between the mask and the face according to the size of a wearer's face.
Patent KR-20210135660-A (KR)
Title: System for network marketing of target type
IPC: G06Q30/02
Filed: 2020-05-06
Abstract: The present invention relates to a target type network marketing system in which a plurality of sellers recruits members for marketing while each of the members can independently form a target network to form marketing centered for themselves. In regard to the network marketing system in which in compliance with the order of enrollment for a service, the first enrolled member is regarded as a member of the uppermost level, and then, a member of an upper or lower level, who has become the member of the uppermost level, provides points corresponding to a predetermined proportion of costs for the service to the member of the upper or uppermost level, the member of the lower level forms an independent structure spread out in a circular form like an arrow target around him or herself, not the member of the seller of the upper or uppermost level.