Patents by Inventor Kwang-Hoe Chung

Kwang-Hoe Chung 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: 10494343
    Abstract: The present invention relates to a novel organic compound, a near-infrared fluorescent constant medium containing the same, and a method for nano-granulating the constant medium.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: December 3, 2019
    Assignees: COLLEGE OF MEDICINE POCHON CHA UNIV. INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHAMEDITECH CO., LTD.
    Inventors: Tae Jong Yoon, Kwang Hoe Chung, Jeongbeob Seo, Sin Wook Kang, Kwang Hyuong Lee, Yong Su Kwon, Hye Sun Jeon, Chae Woon Lee, Jin Sung Kim
  • Publication number: 20180327357
    Abstract: The present invention relates to a novel organic compound, a near-infrared fluorescent constant medium containing the same, and a method for nano-granulating the constant medium.
    Type: Application
    Filed: January 11, 2016
    Publication date: November 15, 2018
    Inventors: Tae Jong Yoon, Kwang Hoe Chung, Jeongbeob Seo, Sin Wook Kang, Kwang Hyuong Lee, Yong Su Kwon, Hye Sun Jeon, Chae Woon Lee, Jin sung Kim
  • Patent number: 9897616
    Abstract: Disclosed are a monoclonal antibody against human D-dimer produced in a mouse and high molecular weight cross-linked fibrin including a corresponding epitope, a cell line secreting the monoclonal antibody, and methods for producing the same. The anti-D-dimer monoclonal antibody of the present invention may be effectively used as a diagnosis agent for screening and detecting in-vivo D-dimer, and high molecular weight cross-linked fibrin and its derivatives containing the D-dimer since the monoclonal antibody specifically reacts with D-dimer, and cross-linked fibrin and its derivatives containing the D-dimer, which do not bind to human fibrinogen or fibrin.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: February 20, 2018
    Inventors: Hyun-Ju Doh, Doo-Sik Kim, Kwang-Hoe Chung
  • Publication number: 20150177265
    Abstract: Disclosed are a monoclonal antibody against human D-dimer produced in a mouse and high molecular weight cross-linked fibrin including a corresponding epitope, a cell line secreting the monoclonal antibody, and methods for producing the same. The anti-D-dimer monoclonal antibody of the present invention may be effectively used as a diagnosis agent for screening and detecting in-vivo D-dimer, and high molecular weight cross-linked fibrin and its derivatives containing the D-dimer since the monoclonal antibody specifically reacts with D-dimer, and cross-linked fibrin and its derivatives containing the D-dimer, which do not bind to human fibrinogen or fibrin.
    Type: Application
    Filed: December 23, 2014
    Publication date: June 25, 2015
    Applicant: PRINCETON BIOMEDITECH CORPORATION
    Inventors: Hyun-Ju Doh, Doo-Sik Kim, Kwang-Hoe Chung
  • Patent number: 8940489
    Abstract: Disclosed are a monoclonal antibody against human D-dimer produced in a mouse and high molecular weight cross-linked fibrin including a corresponding epitope, a cell line secreting the monoclonal antibody, and methods for producing the same. The anti-D-dimer monoclonal antibody of the present invention may be effectively used as a diagnotic agent for screening and detecting in-vivo D-dimer, and high molecular weight cross-linked fibrin and its derivatives containing the D-dimer since the monoclonal antibody specifically reacts with D-dimer, and cross-linked fibrin and its derivatives containing the D-dimer, which do not bind to human fibrinogen or fibrin.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: January 27, 2015
    Inventors: Hyun-Ju Doh, Doo-Sik Kim, Kwang-Hoe Chung
  • Patent number: 8475633
    Abstract: Provided is a method for preparing an epoxy substrate having a nanopattern, including: (a) forming a titanium oxide film by anodizing a titanium substrate; (b) obtaining a titanium substrate having a concave shape formed on the surface by removing the titanium oxide film from the titanium substrate on which the titanium oxide film has been formed; (c) coating an epoxy resin onto the titanium substrate on which the concave shape has been formed; and (d) obtaining an epoxy substrate having a nanopattern of convex surfaces by removing the titanium substrate.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: July 2, 2013
    Assignee: BioBud Co., Ltd.
    Inventors: Kwang Hoe Chung, Sung Yu Hong, Hyun Ju Doh, Jin Sub Choi, Jae Hoon Lim, Sung Joong Kim
  • Patent number: 8377676
    Abstract: The present invention relates to a batroxobin-encoding nucleotide sequence and/or a mutated ?-factor secretion signal sequence, and a vector and a transformant using the same. The batroxobin-encoding nucleotide sequence of this invention exhibits an excellent expression efficiency in yeast, particular Pichia pastoris and the recombinant batroxobin is obtained at 4-13 fold higher yield than natural-occurring batroxobin-encoding sequences. The protein expression system which uses the batroxobin-encoding nucleotide sequence as well as mutated ?-factor secretion signal peptide sequence of this invention obtains the recombinant batroxobin at about 20-fold higher yield than natural-occurring batroxobin-encoding sequences. In addition, the recombinant batroxobin prepared using the sequence of this invention has a significantly plausible activity and stability compared with natural-occurring batroxobin.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: February 19, 2013
    Assignee: Biobud Co., Ltd
    Inventors: Young-Doug Sohn, Bum Joon Kim, Ok Hwan Kim, Kyoung Jun Kim, Ji Hun Shin, Sung Yu Hong, Jae Hoon Hwang, Kwang Hoe Chung
  • Patent number: 8106071
    Abstract: The present invention relates to a method for treating or reducing the development of a hyperproliferative disorder, which comprises administering to a subject a composition, which comprises as an active ingredient the compound represented by the Formula 1: wherein R1, R2, R3, R4, R5, R6 and R7 independently represent hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, C1-C6 alkylamino, C1-C6 alkoxy, aryl, heteroaryl, arylalkyl, arylalkenyl or alkylaryl; X and Y independently represent hydrogen, oxygen, or sulfur, bound to a carbon atom via a single or double bond; Z represents hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, C1-C6 alkylamino, C1-C6 alkoxy, aryl, heteroaryl, arylalkyl, arylalkenyl, alkylaryl or —NH—R8; R8 represents hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cy
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: January 31, 2012
    Assignee: Biobud Co., Ltd.
    Inventors: Kwang Hoe Chung, Chwang Siek Pak, Sung Yu Hong, Soo Jung Kang, Young Doug Sohn, Jae Hoon Hwang, Eun Bok Choi, Gyu Hwan Yon, Hyeon Kyu Lee, Heui Cheol Yang
  • Publication number: 20110155591
    Abstract: Provided is a method for preparing an epoxy substrate having a nanopattern, including: (a) forming a titanium oxide film by anodizing a titanium substrate; (b) obtaining a titanium substrate having a concave shape formed on the surface by removing the titanium oxide film from the titanium substrate on which the titanium oxide film has been formed; (c) coating an epoxy resin onto the titanium substrate on which the concave shape has been formed; and (d) obtaining an epoxy substrate having a nanopattern of convex surfaces by removing the titanium substrate. According to the presently disclosed method, an epoxy substrate having a nanopattern of convex surfaces is prepared by anodizing a titanium substrate, coating an epoxy resin onto a nanopattern formed with a concave shape on the surface of the titanium substrate, and removing the titanium substrate.
    Type: Application
    Filed: April 14, 2009
    Publication date: June 30, 2011
    Inventors: Kwang Hoe Chung, Sung Yu Hong, Hyun Ju Doh, Jin Sub Choi, Jae Hoon Lim, Sung Joong Kim
  • Publication number: 20110136207
    Abstract: The present invention relates to a batroxobin-encoding nucleotide sequence and/or a mutated ?-factor secretion signal sequence, and a vector and a transformant using the same. The batroxobin-encoding nucleotide sequence of this invention exhibits an excellent expression efficiency in yeast, particular Pichia pastoris and the recombinant batroxobin is obtained at 4-13 fold higher yield than natural-occurring batroxobin-encoding sequences. The protein expression system which uses the batroxobin-encoding nucleotide sequence as well as mutated ?-factor secretion signal peptide sequence of this invention obtains the recombinant batroxobin at about 20-fold higher yield than natural-occurring batroxobin-encoding sequences. In addition, the recombinant batroxobin prepared using the sequence of this invention has a significantly plausible activity and stability compared with natural-occurring batroxobin.
    Type: Application
    Filed: December 23, 2008
    Publication date: June 9, 2011
    Applicant: Biobud Co., Ltd.
    Inventors: Young-Doug Sohn, Bum Joon Kim, Ok Hwan Kim, Kyoung Jun Kim, Ji Hun Shin, Sung Yu Hong, Jae Hoon Hwang, Kwang Hoe Chung
  • Publication number: 20100120849
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating hyperproliferative vascular disorders, and a pharmaceutical anticancer composition comprising the compound represented by the Formula 1. The present compounds exhibit IC50 values of less than 0.16 ?M for vascular smooth muscle cells and cancer cells to effectively prevent proliferation of vascular smooth muscle cells and cancer cells, thereby ensuring prevention or treatment of hyperproliferative vascular disorders such as arteriosclerosis and restenosis, and cancers.
    Type: Application
    Filed: May 23, 2007
    Publication date: May 13, 2010
    Applicant: Biobud Co., Ltd
    Inventors: Kwang Hoe Chung, Chwang Siek Pak, Sung Yu Hong, Soo Jung Kang, Young Doug Sohn, Jae Hoon Hwang, Eun Bok Choi, Gyu Hwan Yon, Hyeon Kyu Lee, Heui Cheol Yang
  • Publication number: 20090298100
    Abstract: Disclosed are a monoclonal antibody against human D-dimer produced in a mouse and high molecular weight crosslinked fibrin including a corresponding epitope, a cell line secreting the monoclonal antibody, and a method for manufacturing the same. The anti-D-dimer monoclonal antibody of the present invention may be effectively used as a diagnosis agent for screening and detecting in vivo D-dimer, and high molecular weight crosslinked fibrin and its derivatives containing the D-dimer since the monoclonal antibody specifically reacts with D-dimer, and crosslinked fibrin and its derivatives containing the D-dimer, which do not bind to human fibrinogen or fibrin.
    Type: Application
    Filed: April 22, 2009
    Publication date: December 3, 2009
    Inventors: Hyun-Ju Doh, Doo-Sik Kim, Kwang-Hoe Chung
  • Publication number: 20060281147
    Abstract: A recombinant thrombin-like enzyme batroxobin expressed by yeast, a production method thereof, and use of the batroxobin as a hemostatic agent or antithrombotic agent is disclosed. In order to express recombinant thrombin-like enzyme, an expression vector is prepared by inserting cDNA encoding the enzyme, the transformed cell is prepared by introducing the expression vector into the cell, the transformed cell then is incubated and the recombinant thrombin-like enzyme is obtained from the cell. The recombinant thrombin-like enzyme may be usefully used as a hemostatic agent because the enzyme effectively decrease bleeding time and blood coagulation time and does not affect various blood coagulation factors.
    Type: Application
    Filed: October 31, 2003
    Publication date: December 14, 2006
    Applicant: BIOBUD CO., LTD.
    Inventors: Weon Kyoo You, Won Seok Choi, You Seok Koh, Seung Woo Kang, Kwang Hoe Chung
  • Patent number: 7033788
    Abstract: The present invention relates to Saxatilin, a protein derived from the venom of a Korean snake, Agkistrodon saxatilis emelianov, a process for preparing Saxatilin, and pharmaceutical application of the same as anti-platelet aggregation agent and anti-tumor agent. The present inventors purified Saxatilin from the venom of Agkistrodon saxatilis emelianov, cloned its cDNA, and prepared recombinant Saxatilin by culturing a microorganism transformed with an expression vector containing the cDNA. Saxatilin effectively suppresses the platelet aggregation and angiogenesis of tumor cells, which makes possible its practical application as an active ingredient of anti-platelet agent and anti-tumor agent.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: April 25, 2006
    Inventors: Kwang-Hoe Chung, Doo-sik Kim, Sung-Yu Hong, You-Seok Koh, Young-Doug Sohn, Weon-Kyoo You, Yang-Soo Jang, Chin-Kyu Huh
  • Publication number: 20050032189
    Abstract: The present invention relates to Saxatilin, a protein derived from the venom of a Korean snake, Agkistrodon saxatilis emelianov, a process for preparing Saxatilin, and pharmaceutical application of the same as anti-platelet aggregation agent and anti-tumor agent. The present inventors purified Saxatilin from the venom of Agkistrodon saxatilis emelianov, cloned its cDNA, and prepared recombinant Saxatilin by culturing a microorganism transformed with an expression vector containing the cDNA. Saxatilin effectively suppresses the platelet aggregation and angiogenesis of tumor cells, which makes possible its practical application as an active ingredient of anti-platelet agent and anti-tumor agent.
    Type: Application
    Filed: March 26, 2002
    Publication date: February 10, 2005
    Inventors: Kwang-Hoe Chung, Doo-Sik Kim, Sung-Yu Hong, You-Seok Koh, Young-Doug Sohn, Weon-Kyoo You, Yang-Soo Jang, Chin-Kyu Huh
  • Patent number: 6537551
    Abstract: The present invention relates to an anti-tumor agent comprising Salmosin which is a novel disintegrin containing Arg-Gly-Asp (RGD) sequence and derived from venom of Korean snake, Agkistrodon halys brevicaudus, as an active ingredient. Salmosin is a disintegrin which blocks the function of &agr;v&bgr;3 integrin and strongly inhibits tumor angiogenesis, tumor metastasis as well as growth of solid tumor. Salmosin does not exhibit cytotoxicity within an effective dose range where tumor growth is efficiently suppressed without any untoward effect on preexisting blood vessels and normal angiogenesis. Accordingly, Salmosin can be applied for the development of potent anti-tumor drugs which are effective for various types of cancers.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: March 25, 2003
    Inventors: Doo-Sik Kim, Kwang Hoe Chung, In-Cheol Kang
  • Publication number: 20010023242
    Abstract: The present invention relates to an anti-tumor agent comprising Salmosin which is a novel disintegrin containing Arg-Gly-Asp(RGD) sequence and derived from venom of Korean snake, Agkistrodon halys brevicaudus, as an active ingredient. Salmosin is a disintegrin which blocks the function of &agr;v&bgr;3 integrin and strongly inhibits tumor angiogenesis, tumor metastasis as well as growth of solid tumor. Salmosin does not exhibit cytotoxicity within an effective dose range where tumor growth is efficiently suppressed without any untoward effect on preexisting blood vessels and normal angiogenesis. Accordingly, Salmosin can be applied for the development of potent anti-tumor drugs which are effective for various types of cancers.
    Type: Application
    Filed: February 1, 2001
    Publication date: September 20, 2001
    Applicant: Doo-Sik KIM
    Inventors: Doo-Sik Kim, Kwang Hoe Chung, In-Cheol Kang
  • Patent number: 5889148
    Abstract: The present invention relates to novel antibiotic peptides which possess antibacterial and/or antifungal activities causing no cytotoxicity, and to antibacterial and/or antifungal agents containing said peptides as active ingredients. In accordance with the present invention, it has been discovered that a number of chemically-synthesized peptides which are derived from Tenecin, show superior antibacterial and/or antifungal activities, while causing no untoward effects, and they can be applied for the development of antibacterial and/or antifungal agents.
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: March 30, 1999
    Assignee: Mogam Biotechnology Research Institute
    Inventors: Keun-Hyeung Lee, Sung-Yu Hong, Hyun-Sook Cho, Bok-Leul Lee, Kwang-Hoe Chung, Jeong-Hyeok Yoon, Jong-Eun Oh, Hong-Mo Moon
  • Patent number: 5821106
    Abstract: The present invention relates to a novel cDNA of direct-acting fibrinolytic serine protease ("Salmonase") which is prepared from a Korean viper, Salmosa(Agkistrodon halys brevicaudus), and a direct-acting fibrinolytic serine protease deduced therefrom. The cDNA of direct-acting fibrinolytic serine protease contains 699 nucleotides coding for 233 amino acids, and the Salmonase translated therefrom consists of two subunits of 77 and 156 amino acids, respectively. Salmonase cDNA of the invention may be expressed in the proper systems established in the recombinant E. coli, yeast, baculovirus/insect cells and other animal cells, and the recombinant Salmonase prepared therefrom can be practically applied as an active ingredient of thrombolytic and hemostatic agents.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: October 13, 1998
    Assignee: Mogam Biotechnology Research Institute
    Inventors: Kwang-Hoe Chung, You-Seok Koh, Jae-Hoon Hwang, Doo-Sik Kim, Yung-Dae Yun, Hong-Mo Moon