Patents by Inventor Hyang Choi
Hyang 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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Patent number: 8945907Abstract: The present invention relates to a microorganism having L-tryptophan productivity and a method for producing L-tryptophan using the same. More precisely, the present invention relates to the recombinant E. coli strain CJ600 (KCCM 10812P) having tryptophan productivity produced from the mutant form (KFCC 10066) of E. coli having L-phenylalanine productivity, wherein tryptophan auxotrophy is released, L-phenylalanine biosynthesis is blocked but tryptophan productivity is enhanced by reinforcing the gene involved in tryptophan biosynthesis, and a method of producing L-tryptophan using the same.Type: GrantFiled: December 28, 2007Date of Patent: February 3, 2015Assignee: CJ Cheiljedang CorporationInventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
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Patent number: 8846368Abstract: Disclosed herein is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum, and Salmonella pullorum without affecting beneficial bacteria, in addition to showing excellent tolerance to acid, heat and desiccation. The novel bacteriophage of the present invention can be widely used as an active ingredient for therapeutic agents, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum or Salmonella pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the Salmonella bacteria.Type: GrantFiled: September 17, 2012Date of Patent: September 30, 2014Assignee: CJ Cheiljedang CorporationInventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
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Patent number: 8771936Abstract: The present invention relates to a novel bacteriophage, more particularly, a bacteriophage that has a specific bactericidal activity against Salmonella typhimurium, Salmonella gallinarum, or Salmonella pullorum, a composition for the prevention or treatment of infectious diseases including salmonellosis and Salmonella food poisoning caused by Salmonella typhimurium, Fowl typhoid caused by Salmonella gallinarum, and Pullorum disease caused by Salmonella pullorum, which comprises the bacteriophage as an active ingredient, and an animal feed, drinking water, cleaner, and sanitizer which comprise the bacteriophage as an active ingredient. The present invention also provides important insights into prevention and control strategies against Salmonella infection and suggests that the use of bacteriophage can be a novel, safe, and effectively plausible alternative to antibiotics for the prevention of Salmonella infection in poultry.Type: GrantFiled: September 17, 2012Date of Patent: July 8, 2014Assignee: CJ Cheiljedang CorporationInventors: In Hye Kang, Min Tae Park, Young Wook Cho, Soo An Shin, Hyang Choi
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Publication number: 20140017205Abstract: Disclosed herein is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum, and Salmonella pullorum without affecting beneficial bacteria, in addition to showing excellent tolerance to acid, heat and desiccation. The novel bacteriophage of the present invention can be widely used as an active ingredient for therapeutic agents, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum or Salmonella pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the Salmonella bacteria.Type: ApplicationFiled: September 17, 2012Publication date: January 16, 2014Applicant: CJ CHEILJEDANG CORPORATIONInventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
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Publication number: 20140004577Abstract: The present invention relates to a putrescine-producing microorganism and a method for producing putrescine using the same. To be more specific, the present invention is directed to a microorganism given the ability to produce putrescine which is generated by blocking a biosynthetic pathway from ornithine to arginine, increasing the intracellular level of glutamate, enhancing the biosynthetic pathway of ornithine from glutamate, and introducing extracellular ornithine decarboxylase; and a method for producing putrescine by using the microorganism.Type: ApplicationFiled: December 8, 2011Publication date: January 2, 2014Applicant: CJ CHEILJEDANG CORPORATIONInventors: Hyang Choi, Kyoung Min Lee, Min Sun Kang, Sung Hoo Jhon, Hye Won Um, Su Jin Choi, Han Won Lee, Soo An Shin
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MICROBES WITH AN IMPROVED ABILITY TO PRODUCE ORNITHINE AND METHOD FOR PRODUCING ORNITHINE USING SAME
Publication number: 20130344545Abstract: The present invention relates to a microorganism having an improved ornithine-producing ability, in which the biosynthetic pathway of arginine form ornithine is blocked, the intracellular glutamate level is increased, and the biosynthetic pathway of ornithine from glutamate is enhanced, and a method for producing ornithine using the microorganism.Type: ApplicationFiled: December 8, 2011Publication date: December 26, 2013Applicant: CJ CHELJEDANG CORPORATIONInventors: Hyang Choi, Kyoung Min Lee, Min Sun Kang, Sung Hoo Jhon, Hye Won Um, Su Jin Choi, Han Won Lee, Soo An Shin -
Patent number: 8569066Abstract: The present invention relates to a microorganism having L-tryptophan productivity and a method for producing L-tryptophan using the same. More precisely, the present invention relates to the recombinant E. coli strain CJ600 (KCCM 10812P) having tryptophan productivity produced from the mutant form (KFCC 10066) of E. coli having L-phenylalanine productivity, wherein tryptophan auxotrophy is released, L-phenylalanine biosynthesis is blocked but tryptophan productivity is enhanced by reinforcing the gene involved in tryptophan biosynthesis, and a method of producing L-tryptophan using the same.Type: GrantFiled: July 12, 2012Date of Patent: October 29, 2013Assignee: CJ Cheiljedang CorporationInventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
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Patent number: 8524243Abstract: The present invention relates to avirulent Salmonella Gallinarum variants by inactivating virulence gene clusters of Salmonella Gallinarum (SG), a main pathogen of avian salmonellosis, and various uses thereof notably in the production of Salmonella-specific lytic bacteriophages, pharmaceutical compositions and feed additives.Type: GrantFiled: September 14, 2012Date of Patent: September 3, 2013Assignee: CJ Cheiljedang CorporationInventors: Hyang Choi, Soo An Shin, Si Yong Yang, Young Wook Cho
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Patent number: 8481052Abstract: The present invention relates to avirulent Salmonella gallinarum variants by inactivating virulence gene clusters of Salmonella gallinarum (SG), a main pathogen of avian salmonellosis, and various uses thereof notably in the production of Salmonella-specific lytic bacteriophages, pharmaceutical compositions and feed additives.Type: GrantFiled: October 17, 2011Date of Patent: July 9, 2013Assignee: CJ Cheiljedang CorporationInventors: Hyang Choi, Soo An Shin, Si Yong Yang, Young Wook Cho
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Publication number: 20130022574Abstract: The present invention relates to avirulent Salmonella Gallinarum variants by inactivating virulence gene clusters of Salmonella Gallinarum (SG), a main pathogen of avian salmonellosis, and various uses thereof notably in the production of Salmonella-specific lytic bacteriophages, pharmaceutical compositions and feed additives.Type: ApplicationFiled: September 14, 2012Publication date: January 24, 2013Applicant: CJ Cheiljedang CorporationInventors: Hyang CHOI, Soo An Shin, Si Yong Yang, Young Wook Cho
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Publication number: 20120331056Abstract: A contents sharing server includes an identifier generation unit configured to assign at least one user identifier for each user, a group matching unit configured to match at least one user identifier with at least one of a plurality of groups, each of the plurality of groups having at least one contents identifier for identifying at least one content to be shared within each of the plurality of groups, a request reception unit configured to receive a request including a contents identifier and at least one user identifier, an identifier determination unit configured to search at least one group matched with the at least one user identifier, and determine whether the searched group has the contents identifier and a contents access authority assignment unit configured to assign authority for accessing contents corresponding to the contents identifier.Type: ApplicationFiled: June 25, 2012Publication date: December 27, 2012Applicant: KT CORPORATIONInventors: Ji-Hoon KIM, Youngsuk KIM, Kyong-Hyang CHOI, Tae-Sook HA
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Patent number: 8329442Abstract: Disclosed herein are is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum, and Salmonella Pullorum without affecting beneficial bacteria. Disclosed are also compositions, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum or Salmonella Pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the salmonella bacteria.Type: GrantFiled: September 3, 2010Date of Patent: December 11, 2012Assignee: CJ Cheiljedang CorporationInventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
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Publication number: 20120311100Abstract: A method for displaying contents based on seamless information is provided. The method includes receiving display history information of multimedia contents, including stop information indicating a stop location in the multimedia contents, from one of a plurality of devices, generating seamless information about the multimedia contents based on the display history information of the multimedia contents, and transmitting the generated seamless information to one or more of the plurality of devices, where the devices that received the transmitted seamless information store the seamless information and one of the devices displays the multimedia contents based on the stored seamless information.Type: ApplicationFiled: June 4, 2012Publication date: December 6, 2012Applicant: KT CORPORATIONInventors: Young-suk KIM, Ji-hoon KIM, Kyong-hyang CHOI, Tae-sook HA
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Publication number: 20120294892Abstract: The present invention relates to avirulent Salmonella Gallinarum variants by inactivating virulence gene clusters of Salmonella Gallinarum (SG), a main pathogen of avian salmonellosis, and various uses thereof notably in the production of Salmonella-specific lytic bacteriophages, pharmaceutical compositions and feed additives.Type: ApplicationFiled: October 17, 2011Publication date: November 22, 2012Applicant: CJ CHEILJEDANG CORPORATIONInventors: Hyang CHOI, Soo An Shin, Si Yong Yang, Young Wook Cho
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Publication number: 20120276639Abstract: The present invention relates to a microorganism having L-tryptophan productivity and a method for producing L-tryptophan using the same. More precisely, the present invention relates to the recombinant E. coli strain CJ600 (KCCM 10812P) having tryptophan productivity produced from the mutant form (KFCC 10066) of E. coli having L-phenylalanine productivity, wherein tryptophan auxotrophy is released, L-phenylalanine biosynthesis is blocked but tryptophan productivity is enhanced by reinforcing the gene involved in tryptophan biosynthesis, and a method of producing L-tryptophan using the same.Type: ApplicationFiled: July 12, 2012Publication date: November 1, 2012Applicant: CJ CHEILJEDANG CORPORATIONInventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
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Patent number: 8293515Abstract: Disclosed herein is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum, and Salmonella Pullorum without affecting beneficial bacteria, in addition to showing excellent tolerance to acid, heat and desiccation. The novel bacteriophage can be widely used as an active ingredient for therapeutic agents, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum or Salmonella Pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the salmonella bacteria.Type: GrantFiled: September 3, 2010Date of Patent: October 23, 2012Assignee: CJ Cheijedang CorporationInventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
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Patent number: 8288146Abstract: The present invention relates to a novel bacteriophage, more particularly, a bacteriophage that has a specific bactericidal activity against Salmonella typhimurium, Salmonella gallinarum, or Salmonella pullorum, a composition for the prevention or treatment of infectious diseases including salmonellosis and Salmonella food poisoning caused by Salmonella typhimurium, Fowl typhoid caused by Salmonella gallinarum, and Pullorum disease caused by Salmonella pullorum, which comprises the bacteriophage as an active ingredient, and an animal feed, drinking water, cleaner, and sanitizer which comprise the bacteriophage as an active ingredient.Type: GrantFiled: September 15, 2009Date of Patent: October 16, 2012Assignee: CJ Cheiljedang CorporationInventors: In Hye Kang, Min Tae Park, Young Wook Cho, Soo An Shin, Hyang Choi
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Patent number: 8223127Abstract: A virtual wheel interface structure of a mobile terminal having a wheel input unit and a character input. A virtual keypad in a wheel shape is displayed on a display unit adjacent to the wheel input unit having a wheel, a selection, and navigation keys. The virtual wheel keypad includes a plurality of virtual keys disposed in the wheel rotation direction. A screen highlight and a cursor are displayed on the display unit. The screen highlight is located at a specific position on the virtual wheel keypad to select a virtual key, and the cursor indicates a character input position. If the wheel key rotates, the virtual wheel keypad rotates correspondingly and the screen highlight is located at a specific virtual key. A character allocated to the virtual key in the screen highlight is input by pressing the selection key or a navigation key, or by rotating the wheel key.Type: GrantFiled: May 18, 2007Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Won-Joo Park, Hyang Choi
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Patent number: 8148131Abstract: The present invention relates to a novel bacteriophage, more particularly, a bacteriophage that has a specific bactericidal activity against Fowl Typhoid causing Salmonella Gallinarum (SG) and Pullorum disease-causing Salmonella Pullorum (SP). Further, the present invention relates to a composition for the prevention or treatment of infectious diseases caused by Salmonella Gallinarum or Salmonella Pullorum, comprising the bacteriophage as an active ingredient. Furthermore, the present invention relates to feed and drinking water for poultry, sanitizers and cleaners, comprising the bacteriophage as an active ingredient.Type: GrantFiled: August 28, 2009Date of Patent: April 3, 2012Assignee: CJ Cheiljedang CorporationInventors: In Hye Kang, Min Tae Park, Young Wook Cho, Hyang Choi, Soo An Shin
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Publication number: 20110052544Abstract: Disclosed herein are is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum, and Salmonella Pullorum without affecting beneficial bacteria. Disclosed are also compositions, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum or Salmonella Pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the salmonella bacteria.Type: ApplicationFiled: September 3, 2010Publication date: March 3, 2011Applicant: CJ CHEILJEDANG CORPORATIONInventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi