Patents
Year | Class | Title | Inventor | Country | Date | Number |
---|---|---|---|---|---|---|
2015 | REG | Assembly type spring using fiber reinforced composite materials | Kang Hyun-min, Hyun Chul Ahn, Woong Ryeol Yu, Na Won-jin | South Korea | 2015-01-26 | 1014883110000 |
2014 | REG | ZIGZAG-TYPE SPRING, AND PREPARATION METHOD THEREOF | Joon Seok Lee, Woong Ryeol Yu | South Korea | 2014-02-26 | 1013701090000 |
2013 | REG | A fabrication method of composite for heat conduction with covalently interconnected carbon nanotubes, and the composite for heat conduction fabricated by this method | Lee-Kungsub, Choi Hyunseok, Woong Ryeol Yu, Honggu Kim | South Korea | 2013-09-16 | 1020130110960 |
2013 | REG | Assembly type spring using fiber reinforced composite materials | Kang Hyun-min, Hyun Chul Ahn, Woong Ryeol Yu, Na Won-jin | South Korea | 2013-06-12 | 1020130067243 |
2013 | REG | Preparation method of multilayered carbon nano-fiber using electrospinning and multilayered carbon nano-fiver formed therefrom | Woong Ryeol Yu, Byoungsun Lee | South Korea | 2013-06-07 | 1012746620000 |
2013 | REG | Method of Producing Negative Electrode Materials of Lithium Secondary Battery Having Metal-Carbon Core-Shell Structures | Seung Ho Ahn, Sa Heum Kim, Dong Gun Kim, Woong Ryeol Yu, Byoungsun Lee, Kyu Min Park | South Korea | 2013-05-02 | 1012619890000 |
2013 | APP | Core-cut nozzle for co-axial electrospinning and electrospinning apparatus including the same | Woong Ryeol Yu, Byoungsun Lee | South Korea | 2013-02-20 | 1020130018203 |
2013 | REG | Braiding machine, braiding method and supporting scaffold for regenerating articular cartilage produced thereby | Woong Ryeol Yu, Hyun Chul Ahn | South Korea | 2013-01-16 | 1012250940000 |
2013 | REG | Supporting structure for regenerating articular cartilage | Woong Ryeol Yu, Hyun Chul Ahn | South Korea | 2013-01-16 | 1012250930000 |
2013 | REG | Preparation method of carbon nano-fiber using electrospinning | Woong Ryeol Yu, Byoungsun Lee | South Korea | 2013-01-07 | 1012216150000 |