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).

  • Patent number: 8945907
    Abstract: 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: Grant
    Filed: December 28, 2007
    Date of Patent: February 3, 2015
    Assignee: CJ Cheiljedang Corporation
    Inventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
  • Patent number: 8846368
    Abstract: 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: Grant
    Filed: September 17, 2012
    Date of Patent: September 30, 2014
    Assignee: CJ Cheiljedang Corporation
    Inventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
  • Patent number: 8771936
    Abstract: 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: Grant
    Filed: September 17, 2012
    Date of Patent: July 8, 2014
    Assignee: CJ Cheiljedang Corporation
    Inventors: In Hye Kang, Min Tae Park, Young Wook Cho, Soo An Shin, Hyang Choi
  • Publication number: 20140017205
    Abstract: 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: Application
    Filed: September 17, 2012
    Publication date: January 16, 2014
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
  • Publication number: 20140004577
    Abstract: 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: Application
    Filed: December 8, 2011
    Publication date: January 2, 2014
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hyang Choi, Kyoung Min Lee, Min Sun Kang, Sung Hoo Jhon, Hye Won Um, Su Jin Choi, Han Won Lee, Soo An Shin
  • Publication number: 20130344545
    Abstract: 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: Application
    Filed: December 8, 2011
    Publication date: December 26, 2013
    Applicant: CJ CHELJEDANG CORPORATION
    Inventors: 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: 8569066
    Abstract: 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: Grant
    Filed: July 12, 2012
    Date of Patent: October 29, 2013
    Assignee: CJ Cheiljedang Corporation
    Inventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
  • Patent number: 8524243
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: September 3, 2013
    Assignee: CJ Cheiljedang Corporation
    Inventors: Hyang Choi, Soo An Shin, Si Yong Yang, Young Wook Cho
  • Patent number: 8481052
    Abstract: 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: Grant
    Filed: October 17, 2011
    Date of Patent: July 9, 2013
    Assignee: CJ Cheiljedang Corporation
    Inventors: Hyang Choi, Soo An Shin, Si Yong Yang, Young Wook Cho
  • Publication number: 20130022574
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: January 24, 2013
    Applicant: CJ Cheiljedang Corporation
    Inventors: Hyang CHOI, Soo An Shin, Si Yong Yang, Young Wook Cho
  • Publication number: 20120331056
    Abstract: 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: Application
    Filed: June 25, 2012
    Publication date: December 27, 2012
    Applicant: KT CORPORATION
    Inventors: Ji-Hoon KIM, Youngsuk KIM, Kyong-Hyang CHOI, Tae-Sook HA
  • Patent number: 8329442
    Abstract: 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: Grant
    Filed: September 3, 2010
    Date of Patent: December 11, 2012
    Assignee: CJ Cheiljedang Corporation
    Inventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
  • Publication number: 20120311100
    Abstract: 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: Application
    Filed: June 4, 2012
    Publication date: December 6, 2012
    Applicant: KT CORPORATION
    Inventors: Young-suk KIM, Ji-hoon KIM, Kyong-hyang CHOI, Tae-sook HA
  • Publication number: 20120294892
    Abstract: 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: Application
    Filed: October 17, 2011
    Publication date: November 22, 2012
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hyang CHOI, Soo An Shin, Si Yong Yang, Young Wook Cho
  • Publication number: 20120276639
    Abstract: 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: Application
    Filed: July 12, 2012
    Publication date: November 1, 2012
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Jae-yeong Ju, Hyang Choi, Eun-sung Koh, Ji-sun Lee, Jin-ho Lee, So-young Kim, Chang-hyun Jin, Young-hoon Park
  • Patent number: 8293515
    Abstract: 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: Grant
    Filed: September 3, 2010
    Date of Patent: October 23, 2012
    Assignee: CJ Cheijedang Corporation
    Inventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
  • Patent number: 8288146
    Abstract: 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: Grant
    Filed: September 15, 2009
    Date of Patent: October 16, 2012
    Assignee: CJ Cheiljedang Corporation
    Inventors: In Hye Kang, Min Tae Park, Young Wook Cho, Soo An Shin, Hyang Choi
  • Patent number: 8223127
    Abstract: 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: Grant
    Filed: May 18, 2007
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Joo Park, Hyang Choi
  • Patent number: 8148131
    Abstract: 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: Grant
    Filed: August 28, 2009
    Date of Patent: April 3, 2012
    Assignee: CJ Cheiljedang Corporation
    Inventors: In Hye Kang, Min Tae Park, Young Wook Cho, Hyang Choi, Soo An Shin
  • Publication number: 20110052544
    Abstract: 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: Application
    Filed: September 3, 2010
    Publication date: March 3, 2011
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi