Patents by Inventor Jun Hyuk Seo

Jun Hyuk 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).

  • Patent number: 9675731
    Abstract: The present invention relates to a bone graft composition and a preparation method thereof, and more particularly to a bone graft composition having excellent physical properties, which comprises a hydrogel comprising a combination of specific amounts of poloxamer and HPMC, and calcium phosphate compound particles, and a preparation method thereof.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 13, 2017
    Assignee: Bioalpha Corporation
    Inventors: Mi Young Ryu, Nam Yul Cho, Jun Hyuk Seo, Hyun Seung Ryu, So Myoung Lee
  • Publication number: 20170112969
    Abstract: The present invention relates to a carrier for growth factor related to regeneration of bone tissues that is capable of arbitrarily controlling the delivery rate of growth factors related to bone regeneration and thus especially applicable to a bone void filler in the fields of the dental or orthopedic applications. The carrier for controlling the delivery rate of the growth factor in the present invention is composed of a hyaluronic acid hydrogel having a distribution of interconnected pores and a calcium phosphate microsphere being distributed in the pores of the hyaluronic acid hydrogel. The calcium phosphate microsphere having a porosity suitable for delivery of the growth factor is positioned into the pores of the cross-linked hyaluronic acid hydrogel to complete the carrier.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventors: JUNG JU KIM, SU HYUN JUNG, HYUN SEUNG RYU, JUN HYUK SEO
  • Patent number: 9610378
    Abstract: The present invention relates to an antimicrobial wound dressing comprising chitosan-silver nanoparticles and a preparation method thereof The antimicrobial wound dressing is prepared by coating a wound dressing with chitosan and silver and drying the coated wound dressing and has an excellent property of releasing silver nanoparticles in a sustained manner.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 4, 2017
    Assignee: CG Bio Co., Ltd.
    Inventors: Hyun Seung Ryu, Jun Kyu Park, Jun Hyuk Seo, Young Koo Lee
  • Publication number: 20170087269
    Abstract: Provided is a charcoal dressing material and a method of manufacturing the same. The charcoal dressing material includes: a porous substrate having a plurality of pores; and a charcoal powder adhered to a surface of the porous substrate.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Inventors: Hyun Seung RYU, Jun Hyuk SEO, Hee Jun PARK, Cho Hee PARK, Soon Gee HONG
  • Patent number: 9327049
    Abstract: The present invention relates to an anti-adhesion polymer composition capable of supporting growth factor, which effectively exhibits anti-adhesion function and, at the same time, has an excellent adhesive property so as to be able to easily and continuously adhere to a wound site, has antibacterial and hemostatic properties, and is composed of an injectable formulation suitable for use in minimally invasive surgery, laparoscopic surgery or the like. The anti-adhesion polymer composition capable of supporting growth factor comprises: 24-50 wt % of a polyethyleneglycol-polypropyleneglycol-polyethyleneglycol (PEG-PPG-PEG) block copolymer having a polyethyleneglycol (PEG) content of 65-85 wt % and a molecular weight of 6,000-20,000 Da; 0.03-5 wt % of gelatin; 0.03-5 wt % of chitosan; and distilled water.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: May 3, 2016
    Assignee: CG Bio Co., Ltd.
    Inventors: Jung Ju Kim, Jung Won So, Hyun Seung Ryu, Jun Hyuk Seo
  • Publication number: 20160051725
    Abstract: The present invention relates to a bone graft composition and a preparation method thereof, and more particularly to bone graft composition having excellent physical properties, which comprises a hydrogel comprising a combination of specific amounts of poloxamer and HPMC, and calcium phosphate compound particles, and a preparation method thereof.
    Type: Application
    Filed: March 28, 2014
    Publication date: February 25, 2016
    Inventors: Mi Young Ryu, Nam Yul Cho, Jun Hyuk Seo, Hyun Seung Ryu
  • Publication number: 20150182666
    Abstract: The present invention relates to a carrier for growth factor related to regeneration of bone tissues that is capable of arbitrarily controlling the delivery rate of growth factors related to bone regeneration and thus especially applicable to a bone void filler in the fields of the dental or orthopedic applications. The carrier for controlling the delivery rate of the growth factor in the present invention is composed of a hyaluronic acid hydrogel having a distribution of interconnected pores and a calcium phosphate microsphere being distributed in the pores of the hyaluronic acid hydrogel. The calcium phosphate microsphere having a porosity suitable for delivery of the growth factor is positioned into the pores of the cross-linked hyaluronic acid hydrogel to complete the carrier.
    Type: Application
    Filed: March 30, 2012
    Publication date: July 2, 2015
    Applicant: BIOALPHA INC.
    Inventors: Jung Ju Kim, Su Hyun Jung, Hyun Seung Ryu, Jun Hyuk Seo
  • Publication number: 20150077362
    Abstract: In a terminal including a fingerprint reader and a method for processing a user's input through the fingerprint reader, the terminal includes: a fingerprint reader configured to acquire fingerprint data by recognizing a fingerprint or to acquire touch input data including information on positions recognized by touch or movement of a touching device; a signal converter configured to convert touch input data received from the fingerprint reader into an input signal of a mode selected from among input signals of one or more modes; and an execution controller configured to control applications according to the input signal received from the signal converter.
    Type: Application
    Filed: August 5, 2014
    Publication date: March 19, 2015
    Inventor: Jun-Hyuk SEO
  • Publication number: 20150010490
    Abstract: The present invention relates to an anti-adhesion polymer composition capable of supporting growth factor, which effectively exhibits anti-adhesion function and, at the same time, has an excellent adhesive property so as to be able to easily and continuously adhere to a wound site, has antibacterial and hemostatic properties, and is composed of an injectable formulation suitable for use in minimally invasive surgery, laparoscopic surgery or the like. The anti-adhesion polymer composition capable of supporting growth factor comprises: 24-50 wt % of a polyethyleneglycol-polypropyleneglycol-polyethyleneglycol (PEG-PPG-PEG) block copolymer having a polyethyleneglycol (PEG) content of 65-85 wt % and a molecular weight of 6,000-20,000 Da; 0.03-5 wt % of gelatin; 0.03-5 wt % of chitosan; and distilled water.
    Type: Application
    Filed: March 8, 2012
    Publication date: January 8, 2015
    Applicant: CG BIO CO., LTD.
    Inventors: Jung Ju Kim, Jung Won So, Hyun Seung Ryu, Jun Hyuk Seo
  • Publication number: 20140377331
    Abstract: The present invention relates to an antimicrobial wound dressing comprising chitosan-silver nanoparticles and a preparation method thereof The antimicrobial wound dressing is prepared by coating a wound dressing with chitosan and silver and drying the coated wound dressing and has an excellent property of releasing silver nanoparticles in a sustained manner.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 25, 2014
    Inventors: Hyun Seung Ryu, Jun Kyu Park, Jun Hyuk Seo, Young Koo Lee
  • Publication number: 20130342480
    Abstract: Terminals, apparatuses and methods for controlling an operation of or an application executed by a terminal by recognizing a touch input on a surface of a terminal, including: a mapping unit to map a touch recognition area on a first surface of the terminal on an active area on a display screen on a second surface of the terminal; a determining unit to determine at least one of a location of the active area to be displayed on the display screen and a size of the active area; and a control unit to control an operation of the terminal based on a touch input on the touch recognition area of the terminal. And a touch pad on the back of the terminal may receive the touch input, with the first surface located on the back and the second surface located on the front of the terminal.
    Type: Application
    Filed: March 14, 2013
    Publication date: December 26, 2013
    Applicant: Pantech Co., Ltd.
    Inventors: Sung Ryun MOON, Won Seok Park, Jun Hyuk Seo
  • Patent number: 8277848
    Abstract: Disclosed herein is a method for preparing an aqueous solution of high-concentration calcium phosphate, the method comprising the steps of: preparing an acidic aqueous solution using an acidic chelating agent; and dissolving a calcium phosphate-based compound in the acidic aqueous solution, and then adding a pH-adjusting agent to the acidic aqueous solution to adjust the pH of the acidic aqueous solution. The disclosed aqueous solution does not form a precipitate after neutralization so that it can be used in various calcium-containing products, including foods, drugs, or quasi-drugs.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: October 2, 2012
    Assignee: Bioalpha Inc.
    Inventors: Hyun Seung Ryu, Mi Young Ryu, Jun Hyuk Seo, Gyu Dong Jang, Baek Il Kim
  • Publication number: 20120183625
    Abstract: Disclosed herein is a method for preparing an aqueous solution of high-concentration calcium phosphate, the method comprising the steps of: preparing an acidic aqueous solution using an acidic chelating agent; and dissolving a calcium phosphate-based compound in the acidic aqueous solution, and then adding a pH-adjusting agent to the acidic aqueous solution to adjust the pH of the acidic aqueous solution. The disclosed aqueous solution does not form a precipitate after neutralization so that it can be used in various calcium-containing products, including foods, drugs, or quasi-drugs.
    Type: Application
    Filed: July 19, 2011
    Publication date: July 19, 2012
    Applicant: BIOALPHA INC.
    Inventors: Hyun Seung RYU, Mi Young RYU, Jun Hyuk SEO, Gyu Dong JANG, Baek Il KIM
  • Patent number: 7582310
    Abstract: Disclosed herein is a biodegradable and bioactive glass-ceramic fabricated by mixing a slowly biodegradable glass-ceramic and a highly biodegradable glass-ceramic in a predetermined mixing ratio wherein the bioactivity is maintained to be constant, and the biodegradation rate is controlled by the mixing ratio. The biodegradable and bioactive glass-ceramic is fabricated from a composition consisting of calcium oxide (CaO), silica (SiO2), boron oxide (B2O3), magnesium oxide (MgO), calcium fluoride (CaF2) and phosphorus pentoxide (P2O5).
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: September 1, 2009
    Assignee: Seoul National University Industry Foundation
    Inventors: Hyun Seung Yu, Kug Sun Hong, Hwan Kim, Dong Ho Lee, Choon Ki Lee, Bong Soon Chang, Deug Joong Kim, Jun Hyuk Seo, Jae Hyup Lee, Ki Soo Park
  • Patent number: 7169721
    Abstract: Disclosed herein are a self-foamed porous ceramic composition and a method for making a porous ceramic using the self-foamed porous ceramic composition. The self-foamed porous ceramic is obtained by fabricating a glass consisting of 41˜47 mole % of calcium oxide (CaO), 41˜47 mole % of silica (SiO2) and 6˜18 mole % of borate (B2O3), pulverizing the glass into a finely-divided glass powder having an average particle size of 1˜10 ?m, molding the glass powder, and sintering the molded glass powder.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: January 30, 2007
    Assignee: Seoul National University Industry Foundation
    Inventors: Hyun Seung Yu, Kug Sun Hong, Hwan Kim, Dong Ho Lee, Choon Ki Lee, Bong Soon Chang, Deug Joong Kim, Jun Hyuk Seo, Jae Hyup Lee, Ki Soo Park
  • Publication number: 20040053766
    Abstract: Disclosed herein are a self-foamed porous ceramic composition and a method for making a porous ceramic using the self-foamed porous ceramic composition. The self-foamed porous ceramic is obtained by fabricating a glass consisting of 41˜47 mole % of calcium oxide (CaO), 41˜47 mole % of silica (SiO2) and 6˜18 mole % of borate (B2O3), pulverizing the glass into a finely-divided glass powder having an average particle size of 1˜10 &mgr;m, molding the glass powder, and sintering the molded glass powder.
    Type: Application
    Filed: August 27, 2003
    Publication date: March 18, 2004
    Inventors: Hyun Seung Yu, Kug Sun Hong, Hwan Kim, Dong Ho Lee, Choon Ki Lee, Bong Soon Chang, Deug Joong Kim, Jun Hyuk Seo, Jae Hyup Lee, Ki Soo Park
  • Publication number: 20040043053
    Abstract: Disclosed herein is a biodegradable and bioactive glass-ceramic fabricated by mixing a slowly biodegradable glass-ceramic and a highly biodegradable glass-ceramic in a predetermined mixing ratio wherein the bioactivity is maintained to be constant, and the biodegradation rate is controlled by the mixing ratio. The biodegradable and bioactive glass-ceramic is fabricated from a composition consisting of calcium oxide (CaO), silica (SiO2), boron oxide (B2O3), magnesium oxide (MgO), calcium fluoride (CaF2) and phosphorus pentoxide (P2O5).
    Type: Application
    Filed: August 27, 2003
    Publication date: March 4, 2004
    Inventors: Hyun Seung Yu, Kug Sun Hong, Hwan Kim, Dong Ho Lee, Choon Ki Lee, Bong Soon Chang, Deug Joong Kim, Jun Hyuk Seo, Jae Hyup Lee, Ki Soo Park