Patents by Inventor Ji Sun Lee

Ji Sun 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: 20180093953
    Abstract: The present invention relates to guanidine compounds for inhibiting mitochondrial oxidative phosphorylation (OXPHOS) and use thereof. More specifically, the present invention relates to a pharmaceutical composition for preventing or treating a OXPHOS-related disease, particularly cancer by inhibiting mitochondrial oxidative phosphorylation and reprogramming cellular metabolism.
    Type: Application
    Filed: April 30, 2015
    Publication date: April 5, 2018
    Inventors: Sung Wuk KIM, Hong Woo KIM, Sang Hee YOO, Ji Sun LEE, Hye Jin HEO, Hong Bum LEE, Ji Ae KOOK, Young Woo LEE
  • Publication number: 20180044283
    Abstract: The present invention relates to a guanidine compound and a use thereof, and more specifically, to a guanidine derivative showing excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence; a preparation method thereof; and a pharmaceutical composition containing the same as an active ingredient. Compared to existing drugs, the guanidine derivative according to the present invention shows excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence even with small doses, and may thus be effectively used in preventing or treating various cancers such as uterine cancer, breast cancer, stomach cancer, brain cancer, rectal cancer, colorectal cancer, lung cancer, skin cancer, blood cancer, liver cancer, etc., inhibiting cancer cell proliferation and cancer metastasis.
    Type: Application
    Filed: November 20, 2015
    Publication date: February 15, 2018
    Applicant: ImmunoMet Therapeutics Inc.
    Inventors: Hong Woo KIM, Jae Kap JEONG, Ji Sun LEE, Hye Jin HEO, Hong Bum LEE, Ji Ae KOOK, Sung Wuk KIM
  • Patent number: 9884821
    Abstract: The present invention provides an N1-cyclic amine-N5-substituted biguanide derivative compound represented by Formula 1, a method of preparing the same and a pharmaceutical composition including the biguanide derivative or the pharmaceutically acceptable salt thereof as an active ingredient. The biguanide derivatives have an effect of inhibiting cancer cell proliferation, cancer metastasis and cancer recurrence by activation of AMPK, even when administered in a small dose compared with conventional drugs.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: February 6, 2018
    Assignee: ImmunoMet Therapeutics Inc.
    Inventors: Chang Hee Min, Yong Eun Kim, Byung Kyu Oh, Ji Sun Lee, Hye Jin Heo, Ju Hoon Oh, Woong Cho
  • Publication number: 20180031978
    Abstract: An extreme ultraviolet (EUV) exposure system capable of improving the yield of an EUV exposure process by improving EUV exposure performance, and furthermore, capable of increasing throughput or productivity of the EUV exposure process, the EUV exposure system including an EUV exposure apparatus configured to perform EUV exposure on a wafer disposed on a chuck table, a load-lock chamber combined with the EUV exposure apparatus and configured to supply and discharge the wafer to/from the EUV exposure apparatus, and an ultraviolet (UV) exposure apparatus configured to perform UV exposure by irradiating an entire upper surface of the wafer with a UV light without using a mask.
    Type: Application
    Filed: March 21, 2017
    Publication date: February 1, 2018
    Inventors: Chang-min Park, Myung-soo Hwang, Ji-sun Lee
  • 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: 20170073331
    Abstract: The present invention relates to guanidine compounds for inhibiting mitochondrial oxidative phosphorylation (OXPHOS) and use thereof. More specifically, the present invention relates to a pharmaceutical composition for preventing or treating a OXPHOS-related disease, particularly cancer, by inhibiting mitochondrial oxidative phosphorylation and reprogramming cellular metabolism.
    Type: Application
    Filed: April 17, 2015
    Publication date: March 16, 2017
    Applicant: IMMUNOMET THERAPEUTICS INC.
    Inventors: Sung Wuk Kim, Hong Woo Kim, Sang Hee Yoo, Ji Sun Lee, Hye Jin Heo, Hong Bum Lee, Ji Ae Kook, Young Woo Lee, Mi Jeong Kim, Woong Cho
  • Publication number: 20170044553
    Abstract: Disclosed are a recombinant microorganism having enhanced L-amino acid producibility, wherein the recombinant microorganism is transformed to have an inactivated phage receptor thereof, 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: February 16, 2017
    Inventors: Ji Sun LEE, Chang Il SEO, Ki Yong CHEONG, Eun Sung KOH, Do Hyun KWON, Kwang Ho LEE
  • Patent number: 9540325
    Abstract: An N1-cyclic amine-N5-substituted phenyl biguanide derivative of Formula 1 or a pharmaceutically acceptable salt thereof, a method of manufacturing the same, and a pharmaceutical composition including the biguanide derivative or the pharmaceutically acceptable salt thereof as an active ingredient are provided. The biguanide derivatives have an effect of inhibiting cancer cell proliferation and also exhibit anticancer activity including inhibition of cancer metastasis and cancer recurrence, because they are effective in activating AMPK, which is associated with the control of energy metabolism, even when administered in a small dose compared with conventional drugs. Also, the biguanide derivatives are highly effective at lowering blood glucose and lipid concentration by AMPK activation, thus they may be effectively used to treat diabetes mellitus, obesity, hyperlipemia, hypercholesterolemia, fatty liver, coronary artery disease, osteoporosis, polycystic ovary syndrome and metabolic syndrome.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: January 10, 2017
    Assignee: Immunomet Therapeutics, Inc.
    Inventors: Sung Wuk Kim, Chang Hee Min, Se Hwan Park, Duck Kim, Ji Sun Lee, Yong Eun Kim, Ju Hoon Oh
  • 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: 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: 20160369310
    Abstract: The present invention relates to a novel variant RNA polymerase sigma factor 70 (?70) polypeptide, a polynucleotide encoding the same, a microorganism containing the polypeptide, and a method for producing L-threonine by using the microorganism.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 22, 2016
    Applicant: CJ Cheiljedang Corporation
    Inventors: Ji Sun LEE, Kwang Ho LEE, Hyo Jin KIM, Keun Chul LEE, Young Bin HWANG
  • Publication number: 20160317478
    Abstract: A biguanide derivative compound with N1-N5 substitution, which is represented by Formula 1, or a pharmaceutically acceptable salt thereof a method of preparing the same, and a pharmaceutical composition containing the same as an active ingredient are provided. The biguanide derivative may exhibit excellent effect on activation of AMPK? and inhibition of cancer cell proliferation in a low dose, compared to conventional drugs, and thus, may be useful to treat diabetes mellitus, obesity, hyperlipidemia, hypercholesterolemia, fatty liver, coronary artery disease, osteoporosis, polycystic ovarian syndrome, metabolic syndrome, cancer, etc.
    Type: Application
    Filed: July 11, 2016
    Publication date: November 3, 2016
    Inventors: Sung Wuk Kim, Sung Soo Jun, Chang Hee Min, Young Woong Kim, Min Seok Kang, Byung Kyu Oh, Se Hwan Park, Yong Eun Kim, Duck Kim, Ji Sun Lee, Ju Hoon Oh
  • Patent number: 9464042
    Abstract: A biguanide derivative compound with N4-N5 substitution, which is represented by Formula 1, or a pharmaceutically acceptable salt thereof, a method of preparing the same, and a pharmaceutical composition containing the same as an active ingredient are provided. The biguanide derivative may exhibit excellent effect on activation of AMPK and inhibition of cancer cell proliferation in a low dose, compared with conventional drugs, and thus, may be useful to treat diabetes mellitus, obesity, hyperlipidemia, hypercholesterolemia, fatty liver, coronary artery disease, osteoporosis, polycystic ovarian syndrome, metabolic syndrome, cancer, etc.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: October 11, 2016
    Assignee: IMMUNOMET THERAPEUTICS INC.
    Inventors: Sung Wuk Kim, Sung Soo Jun, Chang Hee Min, Se Hwan Park, Yong Eun Kim, Duck Kim, Ji Sun Lee, Ju Hoon Oh
  • 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
  • Patent number: 9416098
    Abstract: A biguanide derivative compound with N1-N5 substitution, which is represented by Formula 1, or a pharmaceutically acceptable salt thereof, a method of preparing the same, and a pharmaceutical composition containing the same as an active ingredient are provided. The biguanide derivative may exhibit excellent effect on activation of AMPK? and inhibition of cancer cell proliferation in a low dose, compared to conventional drugs, and thus, may be useful to treat diabetes mellitus, obesity, hyperlipidemia, hypercholesterolemia, fatty liver, coronary artery disease, osteoporosis, polycystic ovarian syndrome, metabolic syndrome, cancer, etc.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: August 16, 2016
    Assignee: IMMUNOMET THERAPEUTICS INC.
    Inventors: Sung Wuk Kim, Sung Soo Jun, Chang Hee Min, Young Woong Kim, Min Seok Kang, Byung Kyu Oh, Se Hwan Park, Yong Eun Kim, Duck Kim, Ji Sun Lee, Ju Hoon Oh
  • Patent number: 9367534
    Abstract: A mobile terminal and a method for controlling the same are disclosed, where symbols used often when inputting characters and pointer position moving are input simultaneously by using a touch gesture of a user, such that character input may be accelerated.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: June 14, 2016
    Assignee: LG Electronics Inc.
    Inventors: Jin Woo Park, Young Jun Kim, Ji Sun Lee
  • Patent number: 9321742
    Abstract: A N1-cyclic amine-N5-substituted biguanide derivative of Formula 1 or a pharmaceutically acceptable salt thereof, a method of manufacturing the same, and a pharmaceutical composition including the biguanide derivative or the pharmaceutically acceptable salt thereof as an active ingredient are provided. The biguanide derivatives have an effect of inhibiting cancer cell proliferation and also exhibit anticancer activity including inhibition of cancer metastasis and cancer recurrence, because they are effective in activating AMPK, which is associated with the control of energy metabolism, even when administered in a small dose compared with conventional drugs. Also, the biguanide derivatives are highly effective at lowering blood glucose and lipid concentration by AMPK activation, thus they may be effectively used to treat diabetes mellitus, obesity, hyperlipemia, hypercholesterolemia, fatty liver, coronary artery disease, osteoporosis, polycystic ovary syndrome and metabolic syndrome.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: April 26, 2016
    Assignee: IMMUNOMET THERAPEUTICS INC.
    Inventors: Sung Wuk Kim, Chang Hee Min, Se Hwan Park, Duck Kim, Ji Sun Lee, Yong Eun Kim, Ju Hoon Oh
  • Publication number: 20160101112
    Abstract: The present invention provides a novel use of N1-cyclic amine-N5-substituted biguanide derivatives for preparing a medicine for preventing or treating fibrosis. The N1-cyclic amine-N5-substituted biguanide derivatives according to the present invention are capable of effectively inhibiting fibrosis by effectively suppressing the EMT.
    Type: Application
    Filed: May 20, 2014
    Publication date: April 14, 2016
    Applicant: IMMUNOMET THERAPEUTICS INC
    Inventors: Sung Wuk Kim, Soon Im Lee, Yeon Jung Song, Min Jae Shin, Kook Hwan Oh, Kyung Don Ju, Eun Kyoung Shin, Ji Sun Lee, Hye Jin Heo, Hong Bum Lee, Ji Ae Kook, Min Jeong Kim, Hye Soun Eum
  • Patent number: 9302258
    Abstract: The present invention relates to a complex and a method for manufacturing same, the complex comprising: at least one crystalline hybrid nanoporous material powder, in which a metal ion, or a metal ion cluster to which oxygen is bound, and an organic ligand, or the organic ligand and a negative ion ligand are in a coordinate covalent bond; and at least one organic polymer additive, or at least one organic polymer additive and an inorganic additive, wherein the shape of the complex is spherical or pseudo-spherical, the size of the complex is 0.1 to 100 mm, a total volume of pores is 5 or more volume % based on the sum of a total volume of nanoporous material having a size of at most 10 nm and a total volume of pores having a size of at least 0.1 ?m, and wherein a non-surface value per weight (m2/g) of the complex as at least 83% of a non-surface value per weight (m2/g) of the nanoporous material powder.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: April 5, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jong-San Chang, U-Hwang Lee, Young Kyu Hwang, Dong Won Hwang, You-Kyong Seo, Ji Sun Lee, Ji Woong Yoon, Kyu Eun Shim
  • Patent number: 9247142
    Abstract: The present invention provides a method for providing the operation state of an external device and an apparatus using the method. A method for providing the operation state of an external device according to the present invention comprises displaying a preview image of a camera; identifying an external device displayed on the preview image; generating an indicator corresponding to the operation state of the external device; and displaying the indicator by matching the indicator to an area in the preview image to which a component related to the operation state belongs. According to the present invention, information about the operation state of a component disposed inside of an external device can be checked by making use of augmented reality.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: January 26, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Ji Hea Kim, Jong Ook Kim, You Sook Eun, Ji Sun Lee