Patents by Inventor Keun Cheol LEE

Keun Cheol LEE 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).

  • Publication number: 20180127792
    Abstract: The present disclosure relates to a microorganism of the genus Escherichia producing more L-tryptophan by inactivating the activity of phosphatase. Additionally, the present disclosure relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 10, 2018
    Inventors: Hye Min PARK, Baek Seok LEE, Seok Myung LEE, Kyungrim KIM, Kwang Ho LEE, Ki Yong CHEONG, Keun Cheol LEE, Hyeongpyo HONG
  • Publication number: 20180087077
    Abstract: The present invention relates to a microorganism of the genus Escherichia in which L-tryptophan productivity is improved by inactivating phosphatase activity. Further, the present invention relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.
    Type: Application
    Filed: May 10, 2016
    Publication date: March 29, 2018
    Inventors: Seok Myung LEE, Baek Seok LEE, Kyungrim KIM, Kwang Ho LEE, Keun Cheol LEE, Hyeongpyo HONG
  • Patent number: 9758772
    Abstract: The present application relates to an L-threonine-producing microorganism and a production method for L-threonine using the same, and more specifically, to a microorganism having enhanced L-threonine productivity and a method for producing L-threonine in high yield using the same.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: September 12, 2017
    Assignee: CJ Cheiljedang Corporation
    Inventors: Ji Sun Lee, Kwang Ho Lee, Eun Sung Koh, Hyung Joon Kim, Keun Cheol Lee, Young Bin Hwang
  • Publication number: 20170198317
    Abstract: The present invention relates to a microorganism able to produce L-threonine or L-tryptophan, and to a method for producing L-threonine or L-tryptophan by using same. More specifically, the present invention relates to: recombinant Escherichia coli which is more efficient in producing L-threonine or L-tryptophan by increasing the ability to produce ATP which is used as the most plentiful energy source in cells when producing L-threonine or L-tryptophan; and a method for producing L-threonine or L-tryptophan by using same.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 13, 2017
    Inventors: Ki Yong Cheong, Seok Myung Lee, Young Bin Hwang, Keun Cheol Lee, Kwang Ho Lee
  • Publication number: 20170137854
    Abstract: The present application relates to a microorganism of the genus Escherichia producing L-tryptophan and, more specifically, to a microorganism of the genus Escherichia with improved activity of producing L-tryptophan by weakening or inactivating the activity of endogenous 6-phosphogluconate dehydratase and 2-keto-3-deoxy-6-phosphogluconate aldolase. Additionally, the present application relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.
    Type: Application
    Filed: June 23, 2015
    Publication date: May 18, 2017
    Inventors: Ki Yong CHEONG, Kyung Rim KIM, Seok Myung LEE, Kwang Ho LEE, Keun Cheol LEE, Hyeong Pyo HONG
  • Publication number: 20170081633
    Abstract: The present application relates to a recombinant microorganism having an improved intracellular energy level and a method for producing L-amino acid using the microorganism.
    Type: Application
    Filed: April 14, 2015
    Publication date: March 23, 2017
    Inventors: Juno JANG, Hye Min PARK, Kwang Ho LEE, Keun Cheol LEE, Hyeong Pyo HONG
  • Patent number: 9562246
    Abstract: The present invention relates to a microorganism of the genus Escherichia having enhanced L-tryptophan productivity, which has been modified to express yeast anthranilate phosphoribosyltransferase in order to be able to produce L-tryptophan at high concentration, and to a method for producing L-tryptophan, comprising a step of culturing the microorganism. The microorganism of the genus Escherichia can produce L-tryptophan, and thus can be advantageously used in the pharmaceutical industry and the feed industry, particularly for animal feed.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: February 7, 2017
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyung Joon Kim, Ju No Jang, Kyung Rim Kim, Keun Cheol Lee, Young Bin Hwang, Hyeong Pyo Hong
  • Publication number: 20170002365
    Abstract: The present invention relates to an E. coli mutant strain having enhanced L-threonine productivity, which is obtained by introducing the permease of Corynebacterium origin, and to method of producing L-threonine using the E. coli mutant strain.
    Type: Application
    Filed: April 25, 2014
    Publication date: January 5, 2017
    Applicant: CJ Cheiljedang Corporation
    Inventors: Hyung Joon KIM, Su Yon KWON, Eun Sung KOH, Ji Sun LEE, Keun Cheol LEE, Young Bin HWANG, Hyeong Pyo HONG
  • Publication number: 20170002388
    Abstract: Disclosed are a recombinant microorganism having enhanced L-amino acid productivity, wherein the recombinant microorganism is transformed to have removed or decreased activity of at least one of adenosine deaminase and AMP nucleosidase, and a method of producing an L-amino acid using the recombinant microorganism. The use of the recombinant microorganism may enable the production of the L-amino acid in a highly efficient manner.
    Type: Application
    Filed: March 17, 2015
    Publication date: January 5, 2017
    Inventors: Eun Sung KOH, Su Yon KWON, Kwang Ho LEE, Ji Sun LEE, Juno JANG, Keun Cheol LEE, Hyeong Pyo HONG
  • Publication number: 20160343225
    Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and an apparatus for alarm service using user status recognition information in an electronic device is provided. The method of electronic device includes determining a rule for eliminating a fire danger of at least one device capable of communicating with the electronic device, determining the fire danger of the at least one device based on the rule, and if the fire danger exists, notifying the fire danger to a user.
    Type: Application
    Filed: October 21, 2014
    Publication date: November 24, 2016
    Inventor: Keun-Cheol LEE
  • Publication number: 20160281070
    Abstract: The present application relates to an L-threonine-producing microorganism and a production method for L-threonine using the same, and more specifically, to a microorganism having enhanced L-threonine productivity and a method for producing L-threonine in high yield using the same.
    Type: Application
    Filed: April 24, 2014
    Publication date: September 29, 2016
    Inventors: Ji Sun Lee, Kwang Ho Lee, Eun Sung Koh, Hyung Joon Kim, Keun Cheol Lee, Young Bin Hwang
  • Publication number: 20160153014
    Abstract: The present invention relates to a microorganism of the genus Escherichia having enhanced L-tryptophan productivity, which has been modified to express yeast anthranilate phosphoribosyltransferase in order to be able to produce L-tryptophan at high concentration, and to a method for producing L-tryptophan, comprising a step of culturing the microorganism. The microorganism of the genus Escherichia can produce L-tryptophan, and thus can be advantageously used in the pharmaceutical industry and the feed industry, particularly for animal feed.
    Type: Application
    Filed: April 16, 2014
    Publication date: June 2, 2016
    Inventors: Hyung Joon Kim, Ju No Jang, Kyung Rim Kim, Keun Cheol Lee, Young Bin Hwang, Hyeong Pyo Hong
  • Publication number: 20150050703
    Abstract: The present invention relates to a microorganism able to produce L-threonine or L-tryptophan, and to a method for producing L-threonine or L-tryptophan by using same. More specifically, the present invention relates to: recombinant Escherichia coli which is more efficient in producing L-threonine or L-tryptophan by increasing the ability to produce ATP which is used as the most plentiful energy source in cells when producing L-threonine or L-tryptophan; and a method for producing L-threonine or L-tryptophan by using same.
    Type: Application
    Filed: January 7, 2013
    Publication date: February 19, 2015
    Inventors: Ki Yong Cheong, Seok Myung Lee, Young Bin Hwang, Keun Cheol Lee, Kwang Ho Lee
  • Publication number: 20140218517
    Abstract: Provided is a home monitoring method and apparatus. A home gateway executes receiving, from a mobile terminal, a request message for requesting home monitoring, providing, to the mobile terminal in response to the request message, monitoring information associated with a camera module included in at least one home device registered in advance and/or a position to be monitored, receiving, from the mobile terminal, selection information indicating a first camera module selected based on the monitoring information, transmitting, to the mobile terminal, image data captured and collected by the first camera module in response to the reception of the selection information, receiving, from the mobile terminal, a control command with respect to the first camera module, and transmitting the control command to a first home device including the first camera module.
    Type: Application
    Filed: December 13, 2013
    Publication date: August 7, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Jae KIM, Ji-Hyeon KWEON, Keun-Cheol LEE, Dong-Seok KIM, Hyun-Sik KIM
  • Publication number: 20140167929
    Abstract: A method and apparatus for controlling groups of devices in a home network system are provided. The method includes receiving a request message for executing a first operation mode from a mobile station through the Internet, reading a control list stored for the first operation mode, in order to determine home devices associated with the first operation mode and in order to determine functions of the home devices, in response to the request message, transmitting control commands, instructing the home devices to execute the functions, to the home devices, respectively, according to the control list, and reporting the results of execution of the functions, according to the control commands, to the mobile station.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 19, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hyun SHIM, Kyung-Jae KIM, Keun-Cheol LEE, Kyung-Tack KWON, Hae-Moon JUNG
  • Publication number: 20140167931
    Abstract: Provided is a remote control method and apparatus in a home network system including multiple home devices. The remote control method includes receiving operation state information from the respective multiple home devices, receiving a control command for operation control of at least one of the multiple home devices from a user device, determining a control target home device based on the control command, sending the control command to the determined control target home device, receiving processing result information corresponding to execution of the control command from the control target home device, and transmitting the processing result information to the user device.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 19, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Keun-Cheol LEE, Ji-Hyeon KWEON, Kyung-Jae KIM, Jae-Won CHOI
  • Publication number: 20090137766
    Abstract: Disclosed herein is a silicone particle with excellent hydrophobic and alkali proof properties. The present invention provides a method of controlling surface hydroxyl groups by treating the surface of silicone particles with alkali metal ions or alkaline earth metal ions. The present invention also provides a coating composition using the silicone particle, in which the amount of hydroxyl groups present on the surface of the silicone particle can be controlled.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 28, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Han Su LEE, Ju Sung KIM, Keun Cheol LEE, Kyung Hyun BAEK