Patents by Inventor Hyung Joon Cha

Hyung Joon Cha 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: 20160096868
    Abstract: The present invention relates to a fusion protein comprising a mussel adhesive protein and a silica-binding peptide linked to the mussel adhesive protein, a silica nanoparticle a silica connected to the fusion protein, a fusion protein-silica nanoparticle complex comprising the silica nanoparticle having bioactivity and adhesiveness for cell proliferation and accelerating the differentiation, a surface coating composition including the complex, its use, and a method of coating a surface using the surface coating composition.
    Type: Application
    Filed: June 25, 2015
    Publication date: April 7, 2016
    Inventors: Hyung Joon CHA, Yun Kee Jo, Hogyun Cheong, Changsup Kim, Bong-Hyuk Choi
  • Publication number: 20160017279
    Abstract: The present invention relates to technology of immobilizing or coating various functional bioactive substances on various surfaces without physical chemical treatment using mussel adhesive protein. More specifically, the present invention relates to a functional scaffold for tissue engineering comprising artificial extracellular matrix, manufactured by coating various functional bioactive substances on the surface of nanofiber and metal scaffold using mussel adhesive protein, and a method of manufacturing the same.
    Type: Application
    Filed: October 5, 2015
    Publication date: January 21, 2016
    Inventors: Hyung Joon CHA, Bum Jin Kim, Yoo Seong Choi, Bong-Hyuk Choi
  • Patent number: 9187537
    Abstract: There are provided a recombinant silk protein derived from sea anemones, a method for producing the same, and a composition for preparing a silk fiber including same. The recombinant silk protein derived from sea anemones has sequence features similar to genetic information of a silk protein derived from spiders and silkworms. Also, a large amount of recombinant silk protein derived from sea anemones may be produced from a transformant and it has good physical properties such as strength and elasticity. Therefore, the recombinant silk protein derived from sea anemones can be usefully applied in various industrial fields in which natural silk protein can be applied, and it is expected to create new industrial fields based on its distinctive mechanical properties.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: November 17, 2015
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION POHANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Joon Cha, Yun Jung Yang, Yoo Seong Choi
  • Patent number: 9051586
    Abstract: The present invention relates to a technique for capturing carbon dioxide and converting the carbon dioxide to carbonate minerals using a recombinant whole cell biocatalyst expressing carbonic anhydrase. More particularly, the present invention relates to a composition for capturing carbon dioxide and a method for capturing carbon dioxide using the composition, which composition comprises a whole cell of a transformant formed with a vector including a nucleic acid encoding a recombinant carbonic anhydrase; a cell lysate or its fraction of the whole cell; or a recombinant carbonic anhydrase isolated from the whole cell. Further, the present invention relates to a composition and method for converting the carbon dioxide to carbonate minerals using the carbon dioxide capturing composition.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 9, 2015
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon Cha, Im Gyu Kim, Dong Gyun Kang, Byung Hoon Jo, Jeong Hyun Seo
  • Patent number: 9005992
    Abstract: The present invention relates to a novel fusion protein comprising Staphylococcal protein A and mussel adhesive protein, a biochip comprising a solid substrate to which the fusion protein is attached, and a method for detecting a target antigen in a biological sample using the biochip. Furthermore, the present invention relates to a polynucleotide encoding the fusion protein, a recombinant vector comprising the polynucleotide, a transformed cell comprising the recombinant vector, and a method of preparing the fusion protein by transformed cell comprising the recombinant vector.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: April 14, 2015
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hyung Joon Cha, Chang Sup Kim
  • Publication number: 20150057435
    Abstract: There are provided a recombinant silk protein derived from sea anemones, a method for producing the same, and a composition for preparing a silk fiber including same. The recombinant silk protein derived from sea anemones has sequence features similar to genetic information of a silk protein derived from spiders and silkworms. Also, a large amount of recombinant silk protein derived from sea anemones may be produced from a transformant and it has good physical properties such as strength and elasticity. Therefore, the recombinant silk protein derived from sea anemones can be usefully applied in various industrial fields in which natural silk protein can be applied, and it is expected to create new industrial fields based on its distinctive mechanical properties.
    Type: Application
    Filed: February 6, 2012
    Publication date: February 26, 2015
    Inventors: Hyung Joon Cha, Yun Jung Yang, Yoo Seong Choi
  • Patent number: 8912128
    Abstract: The present invention related to a saccharide-based cholera toxin detection sensor for detection of Vibrio cholerae and its use. More specifically, the present invention relates to a carbohydrate chip for detection of Vibrio cholerae, a method for detecting Vibrio cholerae using the same, and a method for preparing the same, where the carbohydrate chip comprises GM1 pentasaccharide, GM2 tetrasaccharide, asialo GM1 tetrasaccharide, GM3 trisaccharide, galactose-? 1,3-N-acetylgalactosamine, lactose, and sialic acid that are immobilized on the surface of a solid substrate.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: December 16, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hyung Joon Cha, Chang Sup Kim, Jeong Hyun Seo, Hwahui Shin
  • Publication number: 20140242870
    Abstract: The present invention relates to a composite including chitosan and/or chitin and a catechol-based compound, an organic reinforcing material composition including the composite, a product manufactured by using the organic reinforcing material composition, and a method for preparing a chitosan and/or chitin composite with improved strength, including the step of adding the catechol-based compound to chitosan and/or chitin. The chitosan and/or chitin composite including the catechol-based compound is advantageous in that it is able to maintain high strength in a wet-swollen state by improving the problem of strength reduction due to moisture, compared to the composites containing no catechol-based compound.
    Type: Application
    Filed: September 27, 2012
    Publication date: August 28, 2014
    Inventors: Dong Soo Hwang, Dong Yeop Oh, Sang Sik Kim, Hyung Joon Cha
  • Patent number: 8765682
    Abstract: The present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is in vivo incorporated instead of a tyrosine residue, and a method for producing the same. More specifically, the present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is incorporated instead of a tyrosine residue, and a method for producing the same, and a transformant for producing the recombinant mussel adhesive protein.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: July 1, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hyung Joon Cha, Byeongseon Yang, Yoo Seong Choi, Hyungdon Yun
  • Patent number: 8722617
    Abstract: The present invention is related to a composition and a method for delivering a nucleic acid into a cell. The invention also provides a biocompatible and biodegradable gene delivery composition and methods of use and making thereof.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: May 13, 2014
    Assignees: Postech Academy-Industry Foundation, Posco
    Inventors: Dong Soo Hwang, Hyung-Joon Cha
  • Publication number: 20140113339
    Abstract: The present invention relates to a technique for capturing carbon dioxide and converting the carbon dioxide to carbonate minerals using a recombinant whole cell biocatalyst expressing carbonic anhydrase. More particularly, the present invention relates to a composition for capturing carbon dioxide and a method for capturing carbon dioxide using the composition, which composition comprises a whole cell of a transformant formed with a vector including a nucleic acid encoding a recombinant carbonic anhydrase; a cell lysate or its fraction of the whole cell; or a recombinant carbonic anhydrase isolated from the whole cell. Further, the present invention relates to a composition and method for converting the carbon dioxide to carbonate minerals using the carbon dioxide capturing composition.
    Type: Application
    Filed: April 13, 2012
    Publication date: April 24, 2014
    Inventors: Hyung Joon Cha, Im Gyu Kim, Dong Gyun Kang, Byung Hoon Jo, Jeong Hyun Seo
  • Patent number: 8673986
    Abstract: The present invention relates to a coacervate comprising a mussel adhesive protein and an anionic polymer, and more particularly, to a coacervate prepared by mixing a mussel adhesive protein with an anionic polymer, and a novel use thereof. In the present invention, a coacervate prepared by mixing a mussel adhesive protein and an anionic polymer shows a very excellent adhesive strength to various substrates such as cells or metals, and is able to maintain its adhesive strength in the presence of water or under water, thereby being effectively used as an adhesive. Moreover, it has an activity capable of encapsulating bioactive materials, thereby being effectively used as an active component of a composition for delivering bioactive materials.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: March 18, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hyung Joon Cha, Yoo Seong Choi, Dong Gyun Kang, Young Hoon Song, Seonghye Lim, Bong-Hyuk Choi
  • Publication number: 20140005356
    Abstract: The present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is in vivo incorporated instead of a tyrosine residue, and a method for producing the same. More specifically, the present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is incorporated instead of a tyrosine residue, and a method for producing the same, and a transformant for producing the recombinant mussel adhesive protein.
    Type: Application
    Filed: June 14, 2013
    Publication date: January 2, 2014
    Inventors: Hyung Joon CHA, Byeongseon Yang, Yoo Seong Choi, Hyungdon Yun
  • Publication number: 20130267433
    Abstract: The present invention related to a saccharide-based cholera toxin detection sensor for detection of Vibrio cholerae and its use. More specifically, the present invention relates to a carbohydrate chip for detection of Vibrio cholerae, a method for detecting Vibrio cholerae using the same, and a method for preparing the same, where the carbohydrate chip comprises GM1 pentasaccharide, GM2 tetrasaccharide, asialo GM1 tetrasaccharide, GM3 trisaccharide, galactose-? 1,3-N-acetylgalactosamine, lactose, and sialic acid that are immobilized on the surface of a solid substrate.
    Type: Application
    Filed: January 14, 2013
    Publication date: October 10, 2013
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon CHA, Chang Sup KIM, Jeong Hyun SEO, Hwahui SHIN
  • Publication number: 20130052712
    Abstract: The present invention relates to technology of immobilizing or coating various functional bioactive substances on various surfaces without physical chemical treatment using mussel adhesive protein. More specifically, the present invention relates to a functional scaffold for tissue engineering comprising artificial extracellular matrix, manufactured by coating various functional bioactive substances on the surface of nanofiber and metal scaffold using mussel adhesive protein, and a method of manufacturing the same.
    Type: Application
    Filed: March 26, 2012
    Publication date: February 28, 2013
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon Cha, Bum Jin Kim, Yoo Seong Choi, Bong-Hyuk Choi
  • Publication number: 20120238039
    Abstract: The present invention relates to a novel fusion protein comprising Staphylococcal protein A and mussel adhesive protein, a biochip comprising a solid substrate to which the fusion protein is attached, and a method for detecting a target antigen in a biological sample using the biochip. Furthermore, the present invention relates to a polynucleotide encoding the fusion protein, a recombinant vector comprising the polynucleotide, a transformed cell comprising the recombinant vector, and a method of preparing the fusion protein by transformed cell comprising the recombinant vector.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 20, 2012
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon CHA, Chang-Sup Kim
  • Publication number: 20120201748
    Abstract: The present invention relates to a coacervate comprising a mussel adhesive protein and an anionic polymer, and more particularly, to a coacervate prepared by mixing a mussel adhesive protein with an anionic polymer, and a novel use thereof. In the present invention, a coacervate prepared by mixing a mussel adhesive protein and an anionic polymer shows a very excellent adhesive strength to various substrates such as cells or metals, and is able to maintain its adhesive strength in the presence of water or under water, thereby being effectively used as an adhesive. Moreover, it has an activity capable of encapsulating bioactive materials, thereby being effectively used as an active component of a composition for delivering bioactive materials.
    Type: Application
    Filed: August 6, 2010
    Publication date: August 9, 2012
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon Cha, Yoo Seong Choi, Dong Gyun Kang, Young Hoon Song, Seonghye Lim, Bong-Hyuk Choi
  • Publication number: 20120202748
    Abstract: The present invention relates to a bio-adhesive derived from mussel. In particular, it relates to a recombinant protein fp(foot protein)-131 that is a hybrid of fp-3 variant A and fp-1. According to the present invention, the recombinant protein with adhesive activity can be economically produced in large scale to be used in place of chemical adhesives.
    Type: Application
    Filed: February 7, 2012
    Publication date: August 9, 2012
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon CHA, Dong Gyun KANG, Young Hoon SONG, Yoo Seong CHOI, Seonghye LIM
  • Patent number: 8173395
    Abstract: The present invention relates to a bioadhesive derived from mussel. In particular, it relates to a novel Mytilus galloprovincialis foot protein type 5 (MGFP-5) and a recombinant protein that is a hybrid of MGFP-5 and foot protein type 1 (FP-1), where an adhesive protein with adhesive activity can be economically mass-produced to be used in place of chemical adhesives through the present invention.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: May 8, 2012
    Assignees: Postech Foundation, POSCO
    Inventors: Hyung Joon Cha, Dong Soo Hwang
  • Patent number: 7947806
    Abstract: The present invention relates to a bioadhesive derived from mussel. In particular, it relates to a novel MGFP-3A MUTANT(Mytilus galloprovincialis foot protein type-3A MUTANT) protein and a recombinant protein that is a hybrid of MGFP-3A MUTANT, FP(Foot Protein)-1 and MGFP-5(Mytilus galloprovincialis foot protein type-5). According to the present invention, the adhesive protein can be economically produced in large scale and can be used instead of chemical adhesives.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: May 24, 2011
    Assignees: POSTECH Foundation, POSCO
    Inventors: Hyung Joon Cha, Dong Soo Hwang, Young Soo Gim, Oh-Gi Jung, legal representative