Patents by Inventor Chang II Seo

Chang II Seo 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).

  • cAMP receptor protein variant and method of producing L-amino acid using the same
    Patent number: 11512331
    Abstract: Provided are a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: November 29, 2022
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Ki Yong Cheong, Hyeryun Yoo, Chang Ii Seo, Jaemin Lee, Seung Hyun Cho
  • cAMP RECEPTOR PROTEIN VARIANT AND METHOD OF PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20210388402
    Abstract: Provided are a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.
    Type: Application
    Filed: July 25, 2019
    Publication date: December 16, 2021
    Inventors: Ki Yong CHEONG, Hyeryun YOO, Chang II SEO, Jaemin LEE, Seung Hyun CHO
  • cAMP RECEPTOR PROTEIN VARIANT AND METHOD OF PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20210363197
    Abstract: The present disclosure relates to a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.
    Type: Application
    Filed: July 25, 2019
    Publication date: November 25, 2021
    Inventors: Seok Myung LEE, Ki Yong CHEONG, Chang II SEO, Ji Sun LEE
  • cAMP RECEPTOR PROTEIN VARIANT AND METHOD OF PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20210317488
    Abstract: Provided are a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.
    Type: Application
    Filed: July 25, 2019
    Publication date: October 14, 2021
    Inventors: Seok Myung LEE, Ki Yong CHEONG, Chang II SEO, Ji Sun LEE
  • NOVEL PROMOTER AND USE THEREOF
    Publication number: 20200407731
    Abstract: Provided are a novel promoter and a method of producing L-amino acid using the same.
    Type: Application
    Filed: March 15, 2019
    Publication date: December 31, 2020
    Inventors: Jee Yeon BAE, Chang II SEO, Inhwa YOO, Hye Ryun YOO, So Young KIM, Yong Uk SHIN
  • METHOD FOR THE PREPARATION OF NICOTINIC ACID
    Publication number: 20140315263
    Abstract: A method for the preparation of nicotinic acid, which includes the step of obtaining a culture solution containing quinolinic acid by incubating a microorganism having an ability to produce quinolinic acid, and the step of adding an acid to the culture solution and conducting a decarboxylation reaction.
    Type: Application
    Filed: January 16, 2012
    Publication date: October 23, 2014
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: So Young Kim, Yong Uk Shin, In Kyung Heo, Ju Eun Kim, Sung Kwang Son, Chang II Seo, Hyun Ah Kim, Han Jin Lee, Kwang Ho Na, Jee Yeon Bae
  • Microorganism producing L-methionine precursor and the method of producing L-methionine precursor using the microorganism
    Patent number: 8465952
    Abstract: The present invention relates to a microorganism producing L-methionine precursor, O-acetylhomoserine, and a method of producing L-methionine precursor using the microorganism.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: June 18, 2013
    Assignee: CJ Cheiljedang Corporation
    Inventors: Chul Ha Kim, So Young Kim, Young Uk Shin, Hye Won Um, Jin Sook Chang, Young Wook Cho, Han Jin Lee, In Kyung Heo, Chang II Seo, Kwang Ho Na
  • Method For Increasing The Solubility Of Methionine By Mineral Addition And Acid Treatment
    Publication number: 20120136058
    Abstract: The present invention relates to a method for enhancing the solubility of methionine. More particularly, the present invention relates to a method for increasing the solubility of methionine, in which mineral and sulfuric acid are added at an appropriate ratio to enhance the methionine solubility, thereby overcoming the problem of low solubility of methionine in water.
    Type: Application
    Filed: February 26, 2010
    Publication date: May 31, 2012
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: So Young Kim, Yong Uk Shin, In Kyung Heo, Hyun Ah Kim, Ju Eun Kim, Chang II Seo, Sung Kwang Son, Sang Mok Lee, Sung Hoo Jhon, Han Jin Lee, Kwang Ho Na, II Chul Kim
  • MICROORGANISM PRODUCING L-METHIONINE PRECURSOR AND THE METHOD OF PRODUCING L-METHIONINE PRECURSOR USING THE MICROORGANISM
    Publication number: 20110207184
    Abstract: The present invention relates to a microorganism producing L-methionine precursor, O-acetylhomoserine, and a method of producing L-methionine precursor using the microorganism.
    Type: Application
    Filed: January 3, 2011
    Publication date: August 25, 2011
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Chul Ha Kim, So Young Kim, Young Uk Shin, Hye Won Um, Jin Sook Chang, Young Wook Cho, Han Jin Lee, In Kyung Heo, Chang II Seo, Kwang Ho Na