Samsung Electro-mechanics Co., Ltd.

Hanwha Chemical Corporation

Electronics and Telecommunications Research Institute

Gendocs, Inc.

Yuhan Corporation

Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Coupang, Corporation

Hanwha Solutions Corporation

Ju Young Park

Youn Suk Kim

Ki Joong Kim

Jun Goo Won

Shinichi Iizuka

Young Jean Song

Myeong Woo Han

Wan Jae Myeong

Eung Gyu Kim

Eun Byul Kwon

Bong-Sik Jeon

Sang Hyun Cho

Mi Na Kim

Yong Woog Lee

Cho Hee Ahn

June Hyung Lee

Ki Hong Kim

Jong Myeong Kim

Bong Sik Jeon

Dae Seok Jang

Nack Gyun Seong

Chul Hwan Yoon

Seong Geun Kim

Byung Hyun Choi

Na Rae Lee

Byeong Hyeon Lee

Hwa Jee Chung

Young Ki Lee

Min Sung Kim

Hyeong Ho Lee

Do Young Kim

Sang Wook Park

Jong-Seo Lee

Jong Gyun Kim

Taeghwan Hyeon

Joong Jin Nam

Sang Chul Ahn

Wook Hyun

Moo Young Song

Tae Jun Lee

Shin Gak Kang

Sang Gi Hong

Seon Il Kim

In Seon Jang

Yong-Moo Kwon

Tae Soo Kim

Soo Yong Chung

Seul Gi Kim

Sung Hei Kim

Hyun Ha Hong

Sung Jae Yoon

Chang Kyu Lee

Su Youn Nam

Eun-Jung Lee

Se Woong Oh

Hye Jin Oh

Yeo Joo Yang

Daishun Ling

Hae Yeon Lee

Hyun Hee Ahn

Jung Yeon Nam

Kun Soo Han

Byung Hyo Kim

Young Bong Park

Hyo Kun Bae

Jun Kyung Lee

Ji Won Ahn

Kyu-Tae Kim

Bong-Kook Ko

Eunjeong Jeong

Seok Joo Koh

Deok H Kim

Yan Yan Chen

Hang G Park

Mun G Kyong

Je I Back

Kwang Seok Jeong

Jae Heon Kim

Eun Joon Park

Jeon Sik Kim

Seung Yub Shin

Min Ki Choi

Yun Gao

Hye Sung Ma

Nakho Chang

Kwang-Hoon Lee

Haw Jee Chung

No Hyun Lee

Taeg Hwan Hyeon

Seung Won Chae

Su Jin Ahn

Ho Woong Kang

Provided are a method for preparing a polyetherketoneketone and a polyetherketoneketone prepared thereby, wherein, at the time of a polymerization reaction, nitrogen gas is blown into a liquid reaction medium while stirring, thereby quickly removing hydrochloric acid, which is a by-product generated during the reaction, and preventing aggregation of resin particles, thus suppressing the generation of scales.

Method for preparing polyetherketoneketone and polyetherketoneketone prepared thereby

A radio-frequency (RF) splitter is provided. The RF splitter includes a common branch node configured to transfer an RF signal, input from an input port, to at least one of first and second output ports, first and second branch nodes electrically connected between the common branch node and the first and second output ports, first and second series switches configured to control switching operations to electrically connect the common branch node and the first and second branch nodes to each other, first and second inductors electrically connected between the common branch node and the first and second branch nodes, a resistor electrically connected between the first and second branch nodes, and first and second shunt switches configured to control switching operations to electrically connect the first and second branch nodes and the resistor to each other.

Radio frequency splitter and front-end module

Disclosed is a method of providing information including obtaining input information of a user, wherein the input information is related to a service, determining whether an account corresponding to the user exists in the service, obtaining characteristic information of the user based on the result of the determination, providing response information corresponding to the input information based on the characteristic information and the result of the determination, and storing activity information of the user based on at least one of the input information, the response information, and the characteristic information.

Electronic apparatus for providing information based on existence of a user account and method thereof

Disclosed are a novel antibody specifically binding to the tumor-immunosuppressant, TIGIT (T cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif [ITIM] domain) or an antigen-binding fragment thereof, a nucleic acid encoding the antibody or the antigen-binding fragment thereof, a vector and a host cell including the nucleic acid, a method for producing the antibody or the antigen-binding fragment thereof, a pharmaceutical composition containing the antibody or the antigen-binding fragment thereof as an active ingredient, and uses of the pharmaceutical composition. The antibody specifically binding to TIGIT or the antigen-binding fragment thereof and the pharmaceutical composition containing the same as an active ingredient are preferably used for the treatment of cancer or tumors.

Anti-TIGIT antibodies and uses thereof

An amplifying circuit is provided. The amplifying circuit includes a bias circuit receiving an operating voltage from a power supply circuit and generating a first bias voltage, a resistance circuit connected between the bias circuit and a gate node and transferring the first bias voltage to the gate node, a start-up circuit generating a high-level start-up voltage and supplying the start-up voltage to the gate node before the operating voltage is supplied, based on a control signal, and an amplifier started-up by receiving the start-up voltage and then receiving the operating voltage and the first bias voltage to amplify a high frequency signal input through the gate node.

Amplifying circuit and amplifying device with start-up function

A front-end module is provided. The front-end module includes a reception amplifier configured to amplify a received radio-frequency (RF) signal, first and second series switches configured to control a switching operation to electrically connect an output terminal of the reception amplifier and first and second reception ports to each other, a radio-frequency (RF) splitter configured to simultaneously transfer a received RF signal, amplified by the reception amplifier or bypassing the reception amplifier, to the first and second reception ports, first and second shunt switches configured to control a switching operation to electrically connect a ground and first and second branch nodes between the RF splitter and the first and second reception ports to each other, and first and second reflected wave removing impedance elements electrically connected between the first and second branch nodes and a ground.

Front-end module

A radio-frequency switching circuit includes a first switching circuit connected between a common capacitor connected to an antenna port and a first capacitor connected to a first port, and performing a switching operation with a first gate voltage transmitted through a first gate terminal, a voltage generation circuit supplying a drain-source voltage to a common node disposed at a first end of the first switching circuit, and a voltage detection circuit receiving a node voltage from the common node, comparing the node voltage with a reference voltage, and generating a detection voltage including damage information regarding the common capacitor or the first capacitor.

Radio-frequency switching circuit with damage detection of DC blocking capacitor

Provided are a fusion protein having a CCL3 variant with improved in vivo persistency, protein stability and pharmacological activity and a use thereof, more particularly, a fusion protein comprising a CCL3 variant and an immunoglobulin Fc region and a use thereof as a therapeutic agent for lymphopenia, cancer or infection, in which an N-terminal amino acid of a wild-type CCL3&#x3b1; or CCL3&#x3b2; is deleted and an amino acid at a specific position is substituted with a different amino acid at the same position of the wild-type CCL3&#x3b1; or CCL3&#x3b2; in the CCL3 variant.

Fusion protein comprising CCL3 variant and use thereof

The present invention relates to a method for preparing an aliphatic isocyanate capable of suppressing the occurrence of side reactions and the production of by-products. The method for preparing an aliphatic isocyanate comprises a step of reacting a salt of an aliphatic amine with phosgene, wherein the reaction step comprises a first reaction step in which phosgene is primarily added and reacted with the salt of an aliphatic amine salt at a temperature of 80 to 100&#xb0; C., and a second reaction step in which phosgene is secondarily added and reacted with the resultant product of the first reaction step at a temperature of 120 to 160&#xb0; C., and wherein the amount of the primarily added phosgene is a certain ratio of the total amount of the phosgene.

Method for preparing aliphatic isocyanate

Provided is a method capable of preparing high-purity aliphatic isocyanate, particularly, xylylene isocyanate in a high yield in a simple manner without an additional separate process, wherein when aliphatic isocyanate is prepared using phosgene, a side-reaction inhibitor capable of inhibiting side-reactions is introduced during phosgenation.

Disclosed is a method of operating a peer-to-peer (P2P) network management system, the method including generating a peer list in response to a request for the peer list from a request peer and sending a request for piece information corresponding to the peer list to a peer activity management server, the peer activity management server being configured to manage peer status information, receiving the piece information generated based on the peer status information from the peer operation server, generating a response message including the piece information and the peer list, and sending the response message to the request peer.

Peer-to-peer (P2P) network management system and method of operating the P2P network management system

Provided are a preparation method of iron oxide-based paramagnetic or pseudo-paramagnetic nanoparticles, iron oxide-based nanoparticles prepared by the same, and a T1 contrast agent including the same. More particularly, the disclosure describes a method for preparation of iron oxide nanoparticles having a extremely small and uniform size of 4 nm or less based on thermal decomposition of iron oleate complex, iron oxide-based paramagnetic or pseudo-paramagnetic nanoparticles prepared by the same, and a T1 contrast agent including iron oxide-based paramagnetic or pseudo-paramagnetic nanoparticles.

Preparation of extremely small and uniform sized, iron oxide-based paramagnetic or pseudo-paramagnetic nanoparticles and MRI T1 contrast agents using the same

The present invention relates to a method for preparing uniform metal oxide nanoparticles. According to the preparation method of the present invention, it is possible to maintain the temperature and pressure inside the reactor in a stable and constant manner by removing water generated in the reaction step for forming metal oxide nanoparticles. Thus, the uniformity of nanoparticles formed is increased, and the reproducibility between batches can be increased even in a repeated process and and a large-scale reaction. Therefore, the preparation method of the present invention can be used to synthesize uniform nanoparticles reproducibly in large quantities.

Method for preparing uniform metal oxide nanoparticles with high reproducibility

Provided are iron oxide nanocapsules for an MRI contrast agent having high contrast, in which a plurality of iron oxide nanoparticles having a hydrophobic ligand attached thereto are encapsulated in an encapsulation material including a biodegradable polymer and a surfactant, and which satisfy Relations 1, 2, 3, 4 and 5 below. Also a method of manufacturing the iron oxide nanocapsules is provided.5&#x2266;100*(IO)/(IO)&#x2003;&#x2003;[Relation 1]2.5&#x2266;100*(Cap)/(Cap)&#x2003;&#x2003;[Relation 2]0.5 wt %&#x2266;(IO)&#x2266;50 wt %&#x2003;&#x2003;[Relation 3]1 nm&#x2266;(IO)&#x2266;25 nm&#x2003;&#x2003;[Relation 4]50 nm&#x2266;(Cap)&#x2266;200 nm&#x2003;&#x2003;[Relation 5]

Iron oxide nanocapsules, method of manufacturing the same, and MRI contrast agent using the same

Disclosed are a composition including hydrophilic nanoparticles that have a monosaccharide-phosphate or a derivative thereof adhered to the surface thereof, a colloidal solution of the composition dispersed in water, and a magnetic resonance imaging contrast agent including the colloidal solution. According to the present invention, nanoparticles having biocompatibility and excellent water-dispersibility can be prepared by modifying the surface of inorganic nanoparticles. The prepared nanoparticles may be effectively used in a variety of applications including, for example, in vivo imaging applications such as an MRI contrast agent, nano-electronic convergence technologies such as a quantum dot light emitting device, biomedical applications such as hyperthermia, or the like. Moreover, compared to existing nanoparticles dispersed by a dispersion stabilizer known in the art, excellent dispersion stability and a relatively small hydrodynamic diameter may be attained.

Hydrophilic nanoparticles surface-modified with monosaccharide phosphate or monosaccharide phosphate derivatives, its colloidal solution and use thereof

Growing community of inventors

Daejeon, South Korea

Ju Young Park