Patents by Inventor Ji-hye Choi
Ji-hye Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240177844Abstract: An operating room allocation apparatus may be provided. The apparatus according to an embodiment of the present disclosure may include: an information obtaining unit configured to obtain information about patient's entry and exit times in each operating room; a first calculation unit configured to calculate a utilization rate of the operating room for each certain time period based on the patient's entry and exit times; and a second calculation unit configured to receive certain time information from a user and calculate an average utilization rate by time period in the received time information.Type: ApplicationFiled: November 21, 2023Publication date: May 30, 2024Inventors: Jung Hwan MOON, Ji Hye WOO, Jun Young CHOI, Ho Jun SEOL, Jae Kyun CHOI, Seok Doo JEONG, Chae Yeon PARK, Mi Ja JU, Ihn Seon LEE, Do Hoon LIM
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Publication number: 20240170219Abstract: A multilayer electronic component includes: a body having a dielectric layer and first and second internal electrodes alternately disposed with each other while having the dielectric layer interposed therebetween in a first direction; and an external electrode including a connection portion and a band portion extending from the connection portion onto first and second surfaces of the body, wherein the external electrode further includes an electrode layer connected to one of the first and second internal electrodes, a resin layer in contact with the first and second surfaces, and a conductive resin layer disposed on the electrode layer and extending to the resin layer, and L1??L1 when L1 indicates a second-directional size of the resin layer in the band portion, and L1? indicates a second-directional size of the conductive resin layer in the band portion.Type: ApplicationFiled: March 9, 2023Publication date: May 23, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Woo KANG, Jung Min KIM, Hong Je CHOI, Ji Hye HAN, Hye Jin PARK, Su Yun YUN, Sang Wook LEE
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Patent number: 11987781Abstract: The present invention relates to a gas collection device and is directed to a gas collection device for collecting a gas which is generated while microorganisms are cultured in a super absorbent polymer product. The gas collection device may comprise a constant temperature chamber having an interior that is configured to be maintained at a set temperature; a culture flask unit located inside the constant temperature chamber and configured to culture a bacteria therein; an adsorption unit located outside the constant temperature chamber and configured to receive a gas inside the culture flask unit; a pump unit connected to a rear end of the adsorption unit and configured to suck the gas inside the culture flask unit into the adsorption unit; and a mass flow controller located outside the constant temperature chamber and configured to control a flow rate of the gas sucked into the adsorption unit.Type: GrantFiled: June 28, 2021Date of Patent: May 21, 2024Assignee: LG Chem, Ltd.Inventors: Eun Byeol Ko, Jung Hye Won, Nak Hee Choi, Ji Seok Lee, Eun Yeong Jin, Hae Sung Yun
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Patent number: 11976386Abstract: A method of preparing a carbon fiber including: preparing a precursor fiber for preparing a carbon fiber; and stabilizing the precursor fiber. The stabilization of the precursor fiber includes a first stabilization phase, a second stabilization phase, a third stabilization phase, and a fourth stabilization phase, which are set at four different temperatures between a temperature at which heat starts to be generated from the stabilization reaction of the precursor fiber and a temperature at which the generation of heat is maximized. Ozone gas is input while at least one phase of the third stabilization phase and the fourth stabilization phase is carried out.Type: GrantFiled: April 23, 2019Date of Patent: May 7, 2024Assignee: LG CHEM, LTD.Inventors: Jae Gil Choi, Ji Hye Shin, Joon Hee Cho, Su Jin Kim, Ki Hwan Kim, Il Ha Lee, Myung Su Jang
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Publication number: 20240145118Abstract: A transparent conductor according to an exemplary embodiment of the present invention includes a transparent substrate, and a transparent conductive pattern formed on the transparent substrate, and the transparent conductor includes a nanostructure on an upper surface of at least one of the transparent substrate and the transparent conductive pattern.Type: ApplicationFiled: March 17, 2021Publication date: May 2, 2024Inventors: Dae-Guen CHOI, Hyuk Jun KANG, Ji Hye LEE, Junhyuk CHOI, Won Seok CHANG, Joo Yun JUNG, Jun-ho JEONG
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Publication number: 20240124328Abstract: The present invention relates to a method for removing a low-boiling point organic compound and, more specifically, to a method for removing a low-boiling point organic compound, capable of suppressing a formation of a salt when the low-boiling point organic compound is removed from a brine solution produced in a process of preparing an aromatic compound. Since the method for removing a low-boiling point organic compound according to the present invention suppresses salt precipitation when a low-boiling point organic compound in brine is removed, it is easy to maintain process facilities and the low-boiling point organic compound may be easily removed.Type: ApplicationFiled: January 26, 2022Publication date: April 18, 2024Inventors: Ji Hye CHOI, Namjin JANG, Jinho PARK
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Patent number: 11951130Abstract: The present invention relates to an antigen-binding molecule comprising a heavy chain variable region comprising a heavy-chain complementarity-determining region 1 (HCDR1) comprising an amino acid sequence represented by Sequence No. 1, an HCDR2 comprising an amino acid sequence represented by Sequence No. 2, and an HCDR3 comprising an amino acid sequence represented by Sequence No. 3; a light-chain variable region comprising a light-chain complementarity-determining region 1 (LCDR1) comprising an amino acid sequence represented by Sequence No. 4, an LCDR2 comprising an amino acid sequence represented by Sequence No. 5, and an LCDR3 comprising an amino acid sequence represented by Sequence No. 6; wherein the antigen-binding molecule is a T cell receptor (TCR); and to a cell line expressing the same.Type: GrantFiled: March 1, 2021Date of Patent: April 9, 2024Assignee: Eutilex Co., Ltd.Inventors: Byoung S. Kwon, Young Ho Kim, Kwang Hee Kim, Ji Won Chung, Young Gyoon Chang, Bo Rim Yi, Jung Yun Lee, Seung Hyun Lee, Sun Woo Im, Jin Kyung Choi, Hyun Tae Son, Eun Hye Yoo
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Publication number: 20240092712Abstract: The present invention relates to a method for chlorinating an aromatic compound and, more specifically, to a method for chlorinating an aromatic compound to prevent the phenomenon of decreased responsiveness due to foam generation, and to prevent counterflow of a fluid. By means of the method for chlorinating an aromatic compound according to the present invention, a plurality of column-type reactors are connected in series so that reaction products produced in a former reactor are inserted to a latter reactor, and chlorine gas is inserted in equal measure at the bottom of each reactor. Accordingly, a chlorination reaction occurs in each of the reactors, and hydrogen chloride gas generated in each of the reactors is exhausted from each of the reactors.Type: ApplicationFiled: January 25, 2022Publication date: March 21, 2024Inventors: Namjin JANG, Ji Hye CHOI, Jinho PARK
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Patent number: 11932618Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.Type: GrantFiled: March 13, 2023Date of Patent: March 19, 2024Assignee: ILDONG PHARMACEUTICAL CO., LTD.Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Patent number: 11912674Abstract: The present invention provides methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, or organ fibrosis, which comprises administering to a subject a therapeutically effective amount of a pharmaceutical composition comprising an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.Type: GrantFiled: March 4, 2021Date of Patent: February 27, 2024Assignee: IL DONG PHARMACEUTICAL CO., LTD.Inventors: Jae-Hoon Kang, Hong-Sub Lee, Yoon-Suk Lee, Jin-Ah Jeong, Sung-Wook Kwon, Jeong-Guen Kim, Kyung-Sun Kim, Dong-Keun Song, Sun-Young Park, Kyeo-Jin Kim, Ji-Hye Choi, Hey-Min Hwang
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Publication number: 20240051906Abstract: The present invention relates to a cresol preparation method, wherein DTE, a byproduct produced by the cresol preparation method, is separated and recycled to a reaction step, thereby inhibiting the production of DTE. The cresol preparation method according to the present invention is a process in which a cresol is prepared by a reaction of halo-toluene and a basic aqueous solution, and the method comprises a step of separating DTE, a byproduct of the process, and re-feeding DTE to the reaction step of halo-toluene and the basic aqueous solution.Type: ApplicationFiled: December 24, 2021Publication date: February 15, 2024Inventors: Jinho PARK, Kyuho SONG, Ji Hye CHOI, Namjin JANG
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Publication number: 20240033654Abstract: The present invention relates to a method for removing HCl in a chlorination reaction, and more particularly, to a method capable of efficiently removing HCl produced during a chlorination reaction of an aromatic compound. The present invention includes, in a chlorination reaction in which a final product with a chlorine-substituted terminal is produced in column reactors connected to each other in series, heating hydrogen chloride produced in the chlorination reaction in a stripping column connected to the reactor positioned at the rearmost end, to remove hydrogen chloride.Type: ApplicationFiled: December 14, 2021Publication date: February 1, 2024Inventors: Jinho PARK, Namjin Jang, Ji Hye CHOI
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Publication number: 20230212140Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.Type: ApplicationFiled: March 13, 2023Publication date: July 6, 2023Inventors: Hong Chul Yoon, Kyung Mi, myong Jae Lee, Jin Hee Lee, Jeong-Geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Patent number: 11643403Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.Type: GrantFiled: November 13, 2020Date of Patent: May 9, 2023Assignee: ILDONG PHARMACEUTICAL CO., LTD.Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-Gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Publication number: 20230013143Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.Type: ApplicationFiled: November 13, 2020Publication date: January 19, 2023Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Publication number: 20230002348Abstract: The present invention provides novel compounds of chemical formula 1, optical isomers of the compounds, or a pharmaceutically acceptable salts of the compounds, or the optical isomers. The compounds, isomers, and salts exhibits excellent activity as GLP-1 receptor agonists. Particularly, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used therapeutic agents for metabolic diseases. In addition, they exhibits excellent pharmacological safety for cardiovascular systems.Type: ApplicationFiled: November 13, 2020Publication date: January 5, 2023Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-Gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Patent number: 11447581Abstract: The invention relates to a method for selective hydrogenation. More specifically, it relates to a method for selective hydrogenation capable of improving selectivity and reaction efficiency in the hydrogenation process of petroleum resin.Type: GrantFiled: December 19, 2018Date of Patent: September 20, 2022Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Sang Ho Seo, Ji Hye Choi, Kee Do Han, Seong Ho Park, Bong Sik Jeon
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Publication number: 20220194998Abstract: The present invention provides an Oct-3/4 protein variant wherein lysine at position 156; lysine at position 286; or lysines at positions 156 and 286 in the Oct-3/4 protein is (are) substituted with arginine. The Oct-3/4 protein variant according to the present invention can inhibit a protein degradation mechanism through ubiquitination, and shows a higher half-life, compared to the wild-type Oct-3/4, thereby exhibiting high stability.Type: ApplicationFiled: February 6, 2020Publication date: June 23, 2022Applicant: CHA UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Kwang-Hyun BAEK, Ji-Hye CHOI
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Publication number: 20220144774Abstract: Provided are a novel process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: April 3, 2020Publication date: May 12, 2022Applicant: YUHAN CORPORATIONInventors: Sang-Ho OH, Doo-Byung LEE, Kyoung-Chan KWON, Sang-Won KIM, Hyo-Ick HWANG, Kyeong-Sill LEE, Ik-Su JO, Ji-Hye CHOI, Sung-Hee CHO, Su-Young LEE
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Publication number: 20220125929Abstract: Disclosed are a pharmaceutical composition for anionic drug delivery, and a preparation method therefor, the pharmaceutical composition for anionic drug delivery containing: an anionic drug as an active ingredient; a cationic compound; an amphiphilic block copolymer; and a polylactate, wherein the anionic drug formed a complex with the cationic lipid, and the complex is encapsulated within a micelle structure formed by the amphiphilic block copolymer and the polylactate.Type: ApplicationFiled: January 10, 2022Publication date: April 28, 2022Applicant: SAMYANG HOLDINGS CORPORATIONInventors: Hye Yeong NAM, Bong-Oh KIM, Min-Hyo SEO, Ji-Yeon SON, Ji-Hye CHOI, Sang Hoon KIM