patents_20221204

No. Category Title of invention Apply Registration
Application number Application date Registration number Registration date
7 일본 A bottom-up electrospinning devices, and nanofibers prepared by using the sam 2007-502695 2008.08.28 등록 제4414458호 2010.02.10
6 일본 Conjugate electrospinning devices, conjugate nonwoven and filament comprising nanofibers prepared by using the same 2008-532155 2007.09.14 등록 제4769871호 2011.09.07
5 일본 A process of preparing continuos filament composed of nano fibers 2007-540241 2007.04.16 등록 제4504430호 2010.07.14
4 일본 A bottom-up electrospinning devices, and nanofibers prepared by using the same 2006-546795 2006.06.23 등록 제4402695호 2010.01.20
3 일본 A process of preparing continuous filament composed of nano fibers 2006-546796 2006.06.23 등록 제4346647호 2009.10.21
2 일본 A method of manufacturing nano-fibers with excellent fiber formation 2005-512810 2006.05.08 등록 제4509937호 2010.07.21
1 일본 A process of preparing continuous filament composed of nano fiber 2004-568523 2004.11.19 등록 제4011584호 2007.11.21