Patents by Inventor Young Ki Choi
Young Ki 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: 20240158822Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.Type: ApplicationFiled: October 17, 2023Publication date: May 16, 2024Inventors: Zhe PIAO, Young sung YUN, Hyeon Seo LEE, Yeon Hee CHOI, Mi Suk KANG, Xue Mei PIAO, You Mi KIM, Ji Su LEE, Hong Xian LI, Dong Il SEO, Dong Won JEONG, Seung Ki KIM
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Publication number: 20240153435Abstract: A display driving circuit is provided. The display driving circuit includes a timing controller configured to output image data and a source control signal, a first source driver circuit configured to output first source data of the image data by activating a plurality of first data lines in accordance with the source control signal, the first data lines having a first output spreading time, a second source driver circuit configured to output second source data of the image data by activating a plurality of second data lines in accordance with the source control signal, the second data lines having a second output spreading time, and a third source driver circuit configured to output third source data of the image data by activating a plurality of third data lines in accordance with the source control signal, the third data lines having a third output spreading time, wherein the first output spreading time, the second output spreading time and the third output spreading time do not overlap.Type: ApplicationFiled: September 27, 2023Publication date: May 9, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jun-Hong PARK, Oh Jae KWON, Suk Ki MIN, Taek Kyun SHIN, Doo-Hee LIM, Young Ho CHOI
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Patent number: 9314520Abstract: The present invention relates to an adjuvant composition containing poly-gamma-glutamic acid-chitosan nanoparticles and a vaccine composition containing the adjuvant composition, and more particularly to an adjuvant composition containing nanoparticles prepared by ionic bonding between poly-gamma-glutamic acid having ensured safety and chitosan, and a vaccine composition containing the poly-gamma-glutamic acid-chitosan nanoparticles and an antigen. The adjuvant containing the poly-gamma-glutamic acid-chitosan nanoparticles has little or no toxicity and side effects and is added to human or animal vaccines for the prevention and treatment of viral and bacterial infections and cancers to increase the production of antibodies.Type: GrantFiled: June 25, 2010Date of Patent: April 19, 2016Assignees: BIOLEADERS CORPORATION, KOOKMIN UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY, THE INDUSTRY AND ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY, CHUNGBUK NATIONAL UNIVERSITY INDUSTRY ACADEMIC COOPERATIONInventors: Moon-Hee Sung, Haryoung Poo, Chul Joong Kim, Young-Ki Choi, Yong Taik Lim, Dong Jin Jeong, Sang-Mu Shim
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Patent number: 9095605Abstract: The present invention relates to a pharmaceutical composition for inhibiting or preventing viral infection, which comprises an effective dose of poly-gamma-glutamic acid (?-PGA), and more particularly, to a pharmaceutical composition, a functional food, and a feedstuff additive capable of inhibiting viral infection and preventing viral diseases, which comprise poly-gamma-glutamic acid having an infection-inhibiting effect against viruses, such as an influenza virus, inducing respiratory infection or systemic infection, as an effective ingredient. The composition containing poly-gamma-glutamic acid as an effective ingredient according to the present invention, is effective for use as an animal feedstuff additive or a pharmaceutical agent for preventing influenza virus infection and various viral diseases as well as a pharmaceutical composition and a functional food to promote human health.Type: GrantFiled: September 16, 2011Date of Patent: August 4, 2015Assignees: BIOLEADERS CORPORATION, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGYInventors: Moon-Hee Sung, Chul Joong Kim, Haryoung Poo, Young-Ki Choi, Il Han Lee, Dai-Won Yoo
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Patent number: 9045777Abstract: The present invention relates to a pol I promoter derived from Vero cells and a recombinant vector containing the same. When the pol I promoter derived from Vero cells according to the present invention is utilized, viruses can be manufactured efficiently, and consequently, the manufacture of both seasonal influenza vaccine and pandemic vaccine can be prepared more quickly to usefully address either situation.Type: GrantFiled: September 17, 2013Date of Patent: June 2, 2015Assignees: Korea Center for Disease Control and Prevention, Chungbuk National University Industry-Academic Cooperation FoundationInventors: Young Ki Choi, Chun Kang, Kee Jong Hong, Min Suk Song, Yun Hee Baek
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Publication number: 20140011260Abstract: The present invention relates to a pol I promoter derived from Vero cells and a recombinant vector containing the same. When the pol I promoter derived from Vero cells according to the present invention is utilized, viruses can be manufactured efficiently, and consequently, the manufacture of both seasonal influenza vaccine and pandemic vaccine can be prepared more quickly to usefully address either situation.Type: ApplicationFiled: September 17, 2013Publication date: January 9, 2014Applicants: Chungbuk National University Industry-Academic Foundation, KOREA CENTER FOR DISEASE CONTROL AND PREVENTIONInventors: Young Ki Choi, Chun Kang, Kee Jong Hong, Min Suk Song, Yun Hee Baek
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Publication number: 20120164174Abstract: The present invention relates to an adjuvant composition containing poly-gamma-glutamic acid-chitosan nanoparticles and a vaccine composition containing the adjuvant composition, and more particularly to an adjuvant composition containing nanoparticles prepared by ionic bonding between poly-gamma-glutamic acid having ensured safety and chitosan, and a vaccine composition containing the poly-gamma-glutamic acid-chitosan nanoparticles and an antigen. The adjuvant containing the poly-gamma-glutamic acid-chitosan nanoparticles has little or no toxicity and side effects and is added to human or animal vaccines for the prevention and treatment of viral and bacterial infections and cancers to increase the production of antibodies.Type: ApplicationFiled: June 25, 2010Publication date: June 28, 2012Applicants: BIOLEADERS CORPORATION, KOOKMIN UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHUNGBUK NATIONAL UNIVERSITY INDUSTRY ACADEMIC COOPERATION, THE INDUSTRY AND ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGYInventors: Moon-Hee Sung, Haryoung Poo, Chul Joong Kim, Young-Ki Choi, Yong TaĆk Lim, Dong Jin Jeong, Sang-Mu Shim
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Publication number: 20120156172Abstract: The present invention relates to a new microorganism Weissella cibaria BLS13, and more specifically, to a Kimchi-derived new microorganism Weissella cibaria BLS13 which activates an inhibitory effect on avian influenza viruses, and to uses thereof. According to the present invention, the Weissella cibaria BLS13 or a culture medium thereof contains a substance having an anti-viral function, and thus can be used advantageously in feed additives, fermentation products, foods and medicine.Type: ApplicationFiled: June 17, 2010Publication date: June 21, 2012Applicants: BIOLEADERS CORPORATION, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY, THE INDUSTRY AND ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY, KOOKMIN UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHUNGBUK NATIONAL UNIVERSITY INDUSTRY ACADEMIC COOPERATIONInventors: Jong-Bok Rho, Haryoung Poo, Young-Ki Choi, Chul Joong Kim, Moon-Hee Sung
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Publication number: 20120010130Abstract: The present invention relates to a pharmaceutical composition for inhibiting or preventing viral infection, which comprises an effective dose of poly-gamma-glutamic acid (?-PGA), and more particularly, to a pharmaceutical composition, a functional food, and a feedstuff additive capable of inhibiting viral infection and preventing viral diseases, which comprise poly-gamma-glutamic acid having an infection-inhibiting effect against viruses, such as an influenza virus, inducing respiratory infection or systemic infection, as an effective ingredient. The composition containing poly-gamma-glutamic acid as an effective ingredient according to the present invention, is effective for use as an animal feedstuff additive or a pharmaceutical agent for preventing influenza virus infection and various viral diseases as well as a pharmaceutical composition and a functional food to promote human health.Type: ApplicationFiled: September 16, 2011Publication date: January 12, 2012Applicants: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY, BIOLEADERS CORPORATIONInventors: Moon-Hee SUNG, Chul Joong KIM, Haryoung POO, Young-Ki CHOI, Il Han LEE, Dai-Won YOO
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Publication number: 20100256050Abstract: The present invention relates to a pharmaceutical composition for inhibiting or preventing viral infection, which comprises an effective dose of poly-gamma-glutamic acid (?-PGA), and more particularly, to a pharmaceutical composition, a functional food, and a feedstuff additive capable of inhibiting viral infection and preventing viral diseases, which comprise poly-gamma-glutamic acid having an infection-inhibiting effect against viruses, such as an influenza virus, inducing respiratory infection or systemic infection, as an effective ingredient. The composition containing poly-gamma-glutamic acid as an effective ingredient according to the present invention, is effective for use as an animal feedstuff additive or a pharmaceutical agent for preventing influenza virus infection and various viral diseases as well as a pharmaceutical composition and a functional food to promote human health.Type: ApplicationFiled: September 13, 2007Publication date: October 7, 2010Applicant: BIOLEADERS CORPORATIONInventors: Moon-Hee Sung, Chul Joong Kim, Haryoung Poo, Young-Ki Choi, Il Han Lee, Dai-Won Yoo
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Patent number: 7007549Abstract: The present invention relates to a flowmeter suitable for a micro flow sensor. The flowmeter of the present invention comprises a resistive heater to be inserted into a fluid, AC power with a first frequency supplied to the resistive heater to periodically heat the resistive heater, a signal processing unit for detecting a first signal from the resistive heater in relation to a temperature variation of the resistive heater by the AC power, and obtaining a phase lag of the first signal relative to the heat generation in the resistive heater, and an operation unit for calculating a flow rate based on the obtained phage lag. According to the present invention, the flowmeter of the present invention has a wide measurement range and high measurement accuracy with a simple structure.Type: GrantFiled: January 15, 2004Date of Patent: March 7, 2006Assignee: Seoul National University Industry FoundationInventors: Ohmyoung Kwon, Joon Sik Lee, Young Ki Choi, Seungho Park, Won Seok Chung