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BioSystems Eng. Lab.

Patents Registered

Registered

  • Y.K. Chang, J.M. Cho, B. Lee, E.K. Kim, M. Moon, "Chlorella sp. ABC-001 strain having excellent lipid productivity and cell growth rate under high carbon dioxide and salt concentration condition and uses thereof",  Korean Intellectual Property Office 10-1855733 (2018.05.02)
  • Y.K. Chang, J.W. Yang, H.R. Lee, D.T. Tran, "Method for preparing biocomposite of Poly(vinyl Alcohol) (PVA) and lipid extracted algal biomass", Korean Intellectual Property Office 10-1766818 (2017.08.03)
  • Y.K. Chang, H.W Joo, Method of Producing Biomass Hydrolysate by Using Solid Acid Catalyst, Korean Intellectual Property Office 10-1730034 (2017.04.19)
  • S.K. Hong, W.J. Chi, D.Y. Park, J.H. Lim, Y.K. Chang, Xyloglucanase of Streptomyces coelicolor, Korean Intellectual Property Office 10-1412717 (2014.06.20)
  • Y.K. Chang, S.K. Hong, J.S. Lee, E.A. Oh,  Bio-ethanol production capacity of recombinant Streptomyces sp. and method for preparing bio-ethanol using the same, Korean Intellectual Property Office 10-1411828 (2014.06.19)
  • Y.K. Chang, S.K. Hong, G. Kim, M.H. Moon, J. Ryu, Saccharomyces cerevisiae KL17 Having Ehtanol  Producing Ability Using Galactose and Method for  Producing Ethanol Using the Same, Korean Intellectual Property Office 10-1317421 (2013.10.02)
  • S.K. Hong, U. Temuujin, W.J. Chi, Y.K. Chang, Method for production of neoagarotetraose and neoagarohexaose, Korean Intellectual Property Office 10-1302655 (2013. 08. 27)
  • S.K. Hong, W.J. Chi, U. Temuujin, Y.K. Chang, Agarase expression vector, transgenic organism transformed with the same vector and method for the production of agarase using the same transgenic organism, Korean Intellectual Property Office 10-1261852 (2013. 05. 01)
  • Y.K. Chang, J.H. Kim, Method of preparing 5-hydroxymethyl-2-furfural and galactose from algal galactans, Korean Intellectual Property Office 10-1254120 (2013. 04. 08)
  • S.K. Hong, U. Temuujin, W.J. Chi, Y.K. Chang, Recombination expression vector to produce beta-agarase, Korean Intellectual Property Office 10-1233766 (2013. 02. 08)
  • C.J. Kim, Y.K. Chang, S.W Kim, Y.G Kim, Do Quynh Anh Nguyen, A microorganism of being able to grow and produce value-added materials in the waste-glycerol environment, Korean Intellectual Property Office 10-1223816 (2013. 01. 11)
  • S.K. Hong, Y.H. Jung, J.H. Kim, E.A. Oh,  W.J. Chi, Y.K. Chang, Preparation of the Streptomyces strains producing  alpha-glucosidase inhibitors transformed by the  recombinant vectors harboring the salbostatin  biosynthesis gene cluster, and mass-production method  of these inhibitors, Intellectual Property Office 10-0999069 (2010. 12. 01)
  • Y.K. Chang, J.Y. Song, Process for Preparing Geldanamycin Using Acidic pH Shock, Intellectual Property Office 10-091030 (2009. 07. 24)
  • J.H. Kim, J.H. Kim, S.K. Hong, J.W. Seo, Y.K. Chang, Validamycin biosynthesis gene cluster and it’s primer, Intellectual Property Office 10-0889800 (2009. 03. 13)
  • J.H. Kim, J.H. Kim, S.K. Hong, Y.K. Chang, 2-epi-5-epi-valiolone synthase for validamycin biosynthesis and method for preparing the same, Intellectual Property Office 10-0861771 (2008. 09. 29)
  •  S.K. Hong, Y.K. Chang, M.S. Kim, J.H. Kim, A Method for Mass Production of Recombinant Trypsin by Employing Regulatory Genes, sgtR1 and sgtR2 from Streptomyces griseus, Intellectual Property Office 10-0687884 (2007.02. 21)
  • Y.K. Chang, K.S. Cho, H.W. Ryu, Y.K. Choi, Method for Recovering Bio-catalyst and Desulfurized Oil from Emulsion Produced in Petroleum Desulfurization, Intellectual Property Office 100447529 (2004. 08. 27)
  • S.J. Lee, Y.K. Chang, G.T. Chun, Y.H. Jung, C.J. Kim, Improved Immobilized-cell Separating Apparatus, Intellectual Property Office 100420784 (2004. 02. 18) 
  • S.D. Kim, Y.K. Chang, H.W. Ryu, "Desulfurization of Marine Clay", Japanese Patent number 3506394 (2003. 12. 26)
  • H.N. Chang, Y.K. Chang S.H. Kwon, W.G. Lee, P.C. Lee, I.K. Yoo, S.J. Lim, Method for manufacturing organic acid by high-efficiency continuous fermentation, U.S.A Patent 6596521 B1 (2003. 07. 22)
  • S.Y. Lee, Y.K. Chang, S.J. Park, Recombinant E. coli Expressing Desulfurizing Enzymes and Biodesulfurization Method Therewith, Intellectual Property Office 100343398 (2002. 06. 25) 
  •  H.N. Chang, Y.K. Chang, S.H. Kwon, W.G. Lee, P.C. Lee, I.K. Yoo, S.J. Lim, Method for Manufacturing Organic Acid by High-Efficiency Fermentation, Intellectual Property Office 100329019 (2002. 03. 06) 
  • H.N. Chang, S.C. Park, W.G. Lee, Y.K. Chang, J.S. Lee, Process for producing ethanol with high concentrationfrom wood hydrolysate using low-temperaturesterilization, Intellectual Property Office 0318755 (2001. 12. 12)
  • Y.K. Chang, H.W. Ryu, K.S. Cho, C.J. Kim, T.W. Kim, Apparatus and Method for Treatment of Gases Containing Hydrogen Sulfide, Intellectual Property Office 100301959 (2001. 06. 28) 
  • Y. K. Chang, J. D. Lee, Y. H. Jung, "A Sealed High-Density On-Line Measuring Device", U.S.A. patent No. 6238625 B1, (2001. 05. 29)
  • Y. K. Chang, H. N. Chang, S. K. Rhee, J. H. Chang, "Gordona sp. CYKS1 (KCTC 0431BP) capable of desulfurizing fossil fuel containing organic sulfur compounds", U.S.A. Patent No. 6204046, (2001. 03. 20)
  • Y. K. Chang, H. N. Chang, S. K. Rhee, J. H. Chang, "Norcardia sp. CKYS2 ((KCTC 0432BP) capable of desulfurizing fossil fuel containing organic sulfur compounds", U.S.A. Patent No. 6197570 (2001. 03. 06)
  • K.S. Cho, H.W. Ryu, Y.K. Chang, Thiobacillus thiooxidans AZ11, and Method and Apparatus for Biological Deoderization using the Strain, Intellectual Property Office 0290716 (2001. 03. 05)
  • H.N. Chang, Y.K. Chang, S.H. Kwon, D.W. Choi, P.C. Lee, S.J. Lim, W.G. Lee, Method for Manufacturing Lactic Acid Using Soybean Component, Intellectual Property Office 0289501 (2001. 02. 20) 
  • Ho Nam Chang, Yong-Keun Chang Sun Hoon Kwon, Woo Gi Lee, Pyung Cheon Lee, Ik Keun Yoo, Seong Jin Lim, Method for manufacturing organic acid by high-efficiency continuous fermentation, German Patent, No. 10017256 (2001. 02. 08)
  • Y.K. Chang, H.N. Chang, J.H. Chang, A Method for Desulurization by Employing Immobilized Microorganisms, Intellectual Property Office 287289 (2001. 01. 22) 
  • Y.K. Chang, H.N. Chang, S. K. Rhee, J.H. Chang, Newly Isolated Nocardia sp. Strain KCTC0432BP for Desulfurizationi of Fossil Fuel Containing organic Sulfur Compounds and Biodesulfurization methods Using This Strain, Intellectual Property Office 0279910 (2000. 11. 6) 
  • Y.K. Chang, H.N. Chang, S. K. Rhee, J.H. Chang, Newly Isolated Gordona Sp. Strain KCTC0431BP FIR Desulruization of Fossil Fuel Containing Organic Sulfur Compounds and Biodesulfurization Methods Using This Strain, Intellectual Property Office 0279909 (2000. 11. 06) 
  • Y. K. Chang, J. D. Lee, Y. H. Jung, "A Sealed High-Density On-Line Measuring Device", Japanese Patent number 3127211 (2000. 11. 02)
  • Y.K. Chang, J. D. Lee, Y. H. Jung, Sealed On-line Measuring Device Which Is Able to Regulate Light Path Length, Intellectual Property Office 253914 (2000. 01. 27) 
  • Y.K. Chang, H.N. Chang, H.W. Ryu, K.S. Cho, H.Y. Son, J.H. Chang, A novel Klebisiella oxytoca which removes sulfur from fossile fuel that contains organic sulfur compound, and desulfuring method, Korean Intellectual Property Office 0205255 (1999. 04. 01) 
  • Y.K. Chang, G.T. Chun, T.H. Lee, Continuous cell culturing method for producing 2nd metabolic product, Korean Intellectual Property Office 193201 (1999. 02. 02) 
  • Y.K. Chang, G.T. Chun, T.H. Lee, Method for Immobilizing Mold Spore Inside Porous Carrier using Liquid Sporulation Culture, Korean Intellectual Property Office 173433 (1998. 10. 29)
  • Y.K. Chang, G.T. Chun, T.H. Lee, Decanting System Separator for Continuous Culture, Korean Intellectual Property Office 173086 (1998. 10. 27)
  • Y.H. Kim, S.M. Chang, Y.K. Chang, Crystal Oscillator Sensor System, Korean Intellectual Property Office 164280 (1998. 09. 11) 
  • Y.K. Chang, S.K. Han, Method for Isolation and Purification of Poly(3-Hydroxyalkanoates) using Dispersions of Sodium Hypochlorite Solution and Organic Solvent, Korean Intellectual Property Office 126972 (1997. 10. 17) 
  • Y.K. Chang, Y.S. Kim, "OASIS(I)", Program registration No. 96-01-24-1181 (1996. 03. 28) 
  • H.W. Ryu, Y.K. Chang, S.D. Kim, K.S. Cho, T. Mori, Apparatus and Method of Eliminating Iron using Bacteria, Korean Intellectual Property Office 102368 (1996. 07. 22)
  • S.D. Kim, Y.K. Chang, H.W. Ryu,, Bubble Column Reactor with Dispersing Devices, Korean Intellectual Property Office 81612 (1995. 01. 19) 
  • S.D. Kim, Y.K. Chang, H.W. Ryu, Desulfurization of Marine Clay, Japanese Patent 6-242074 (1994. 9. 9)
  • S.D. Kim, H.W. Ryu, and Y.K. Chang, "Bubble Column with Radial Dispersing Devices", US Patent 5242643 (1993. 09. 07)