Assignee
HYOSUNG CORP
KR·78 granted patents·50 pending applications·618 citations·filing 1998–2021
Top patents by PatentIndex Score
128 records- 0194US7214727B2Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the sameHYOSUNG CORP·Filed 2003·Granted May 8, 2007·81 cites·9 claims
- 0292US7227438B2Superconducting wire transposition method and superconducting transformer using the sameHYOSUNG CORP·Filed 2004·Granted Jun 5, 2007·68 cites·4 claims
- 0388USD454421SCash dispenserHYOSUNG CORP·Filed 2001·Granted Mar 12, 2002·137 cites·1 claims
- 0485US9599653B2Method for diagnosing internal fault of oil-immersed transformer through composition ratio of dissolved gas in oilHYOSUNG CORP·Filed 2012·Granted Mar 21, 2017·8 cites·23 claims
- 0585US6967058B2Polyester multifilament yarn for rubber reinforcement and method of producing the sameHYOSUNG CORP·Filed 2005·Granted Nov 22, 2005·8 cites·1 claims
- 0685US6511747B1High strength polyethylene naphthalate fiberHYOSUNG CORP·Filed 2001·Granted Jan 28, 2003·29 cites·5 claims
- 0783US10038311B2Module replacement device of high voltage direct current transmission systemHYOSUNG CORP·Filed 2015·Granted Jul 31, 2018·4 cites·11 claims
- 0883US7566496B23-Dimension crimp polyethylene terephthalate multifilament for carpetHYOSUNG CORP·Filed 2006·Granted Jul 28, 2009·12 cites·4 claims
- 0983US7214335B2Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the sameHYOSUNG CORP·Filed 2005·Granted May 8, 2007·4 cites·1 claims
- 1083US6852413B2Lyocell multi-filament for tire cord and method of producing the sameHYOSUNG CORP·Filed 2003·Granted Feb 8, 2005·20 cites·12 claims
- 1182US6425549B1Steel cord take-up spoolHYOSUNG CORP·Filed 2000·Granted Jul 30, 2002·25 cites·3 claims
- 1281US6902804B2Lyocell multifilamentHYOSUNG CORP·Filed 2004·Granted Jun 7, 2005·15 cites·9 claims
- 1377US6701989B2Radial tire for automobileHYOSUNG CORP·Filed 2002·Granted Mar 9, 2004·15 cites·3 claims
- 1476US7506391B2Method for producing low shrinkage polyamide fiber and uncoated fabric for airbags made of the sameHYOSUNG CORP·Filed 2005·Granted Mar 24, 2009·4 cites·5 claims
- 1574US7097344B2Homogeneous cellulose solution and high tenacity lyocell multifilament using the sameHYOSUNG CORP·Filed 2003·Granted Aug 29, 2006·10 cites·7 claims
- 1674US6812270B2Process of producing highly homogeneous cellulose solutionHYOSUNG CORP·Filed 2002·Granted Nov 2, 2004·14 cites·9 claims
- 1774US6511624B1Process for preparing industrial polyester multifilament yarnHYOSUNG CORP·Filed 2002·Granted Jan 28, 2003·14 cites·6 claims
- 1873US6983779B2Cellulose dip cord produced from highly homogeneous cellulose solution and tire using the sameHYOSUNG CORP·Filed 2004·Granted Jan 10, 2006·11 cites·9 claims
- 1972US6218008B1Easy dyeable polyester fiberHYOSUNG CORP·Filed 2000·Granted Apr 17, 2001·14 cites·1 claims
- 2071US7887001B2Unwinding machine for elastromeric fiber using OETO methodHYOSUNG CORP·Filed 2006·Granted Feb 15, 2011·5 cites·5 claims
- 2171US7713459B2Cellulose fiber for using as industrial materialsHYOSUNG CORP·Filed 2007·Granted May 11, 2010·2 cites·4 claims
- 2271US7465816B2Production of tetrahydrofuran from 1,4-butanediolHYOSUNG CORP·Filed 2007·Granted Dec 16, 2008·1 cites·5 claims
- 2370US7396945B1Method of preparing tetrahydrofuranHYOSUNG CORP·Filed 2007·Granted Jul 8, 2008·1 cites·5 claims
- 2469US7560061B2Polyamide fiber for uncoated airbagsHYOSUNG CORP·Filed 2007·Granted Jul 14, 2009·6 cites·10 claims
- 2568US9438136B2Converter for electric powerHYOSUNG CORP·Filed 2013·Granted Sep 6, 2016·3 cites·9 claims
- 2668US7803897B2Process for preparing polyketoneHYOSUNG CORP·Filed 2007·Granted Sep 28, 2010·3 cites·2 claims
- 2768US7255820B2Process for the manufacture of elastic polyurethane fiber and the elastic polyurethane fiber made therebyHYOSUNG CORP·Filed 2003·Granted Aug 14, 2007·7 cites·2 claims
- 2868US6955854B2High tenacity polyethylene-2, 6-naphthalate fibers having excellent processabilityHYOSUNG CORP·Filed 2004·Granted Oct 18, 2005·8 cites·13 claims
- 2968US6692828B2High chlorine and heat resistant spandex fiber and manufacturing method thereofHYOSUNG CORP·Filed 2002·Granted Feb 17, 2004·10 cites·9 claims
- 3064US8957179B2Shape memory polyamide and method of producing shape memory polyamide fabric using the sameHYOSUNG CORP·Filed 2013·Granted Feb 17, 2015·1 cites·3 claims
- 3163US10079479B2Module extraction apparatus of high voltage direct current systemHYOSUNG CORP·Filed 2014·Granted Sep 18, 2018·3 cites·15 claims
- 3263US9938642B2Preparation method for multifunctional polyester fibreHYOSUNG CORP·Filed 2013·Granted Apr 10, 2018·2 cites·5 claims
- 3362US9590489B2ConverterHYOSUNG CORP·Filed 2013·Granted Mar 7, 2017·2 cites·5 claims
- 3462US7943071B2Polyethylene terephthalate filament having high tenacity for industrial useHYOSUNG CORP·Filed 2009·Granted May 17, 2011·1 cites·2 claims
- 3562US6627310B2Poly(trimethylene terephthalate) BCF carpet yarn with noncircular cross section and method for preparing the sameHYOSUNG CORP·Filed 2002·Granted Sep 30, 2003·4 cites·2 claims
- 3661US2009288748A1Cellulose raw cord for rubber reinforcementHYOSUNG CORP·Filed 2009·Application pending·0 cites
- 3760US9712042B2Bypass apparatus for converterHYOSUNG CORP·Filed 2013·Granted Jul 18, 2017·2 cites·4 claims
- 3860US9535134B2Method for diagnosing internal fault of oil-immersed transformer through content ratios of dissolved gasesHYOSUNG CORP·Filed 2012·Granted Jan 3, 2017·1 cites·18 claims
- 3960US9520818B2Method for driving emergency generator using energy storage systemHYOSUNG CORP·Filed 2013·Granted Dec 13, 2016·2 cites·5 claims
- 4060US7935856B2Preparation method of 1,5-dimethyltetralin using dealuminated zeolite beta catalystHYOSUNG CORP·Filed 2006·Granted May 3, 2011·1 cites·1 claims
- 4160US7637986B2Process for refining nitrogen trifluoride gas using alkali earth metal exchanged and impregnated zeoliteHYOSUNG CORP·Filed 2005·Granted Dec 29, 2009·1 cites·10 claims
- 4260US2007170609A1Method for producing cellulose fiberHYOSUNG CORP·Filed 2007·Application pending·0 cites
- 4359US7842125B2Process for refining nitrogen trifluoride gas using alkali earth metal exchanged zeoliteHYOSUNG CORP·Filed 2005·Granted Nov 30, 2010·1 cites·6 claims
- 4459US6312634B1Process of making polyester fibersHYOSUNG CORP·Filed 2000·Granted Nov 6, 2001·6 cites·4 claims
- 4559US2007251623A1Cellulose raw cord for rubber reinforcementHYOSUNG CORP·Filed 2006·Application pending·0 cites
- 4657US6759123B2High strength and low shrinkage polyester yarn and process for its preparationHYOSUNG CORP·Filed 2003·Granted Jul 6, 2004·5 cites·3 claims
- 4757US6245907B1Process for producing a high purity caprolactamHYOSUNG CORP·Filed 1998·Granted Jun 12, 2001·11 cites·13 claims
- 4857US2010304115A1Shape memory polyamide and method of producing shape memory polyamide fabric using the sameHYOSUNG CORP·Filed 2007·Application pending·0 cites
- 4956US10174197B2Spandex fiber having improved adhesive characteristics with hot melt adhesive and method for manufacturing sameHYOSUNG CORP·Filed 2014·Granted Jan 8, 2019·0 cites·4 claims
- 5056US9438098B2Apparatus and method for controlling module switching of power converting systemHYOSUNG CORP·Filed 2012·Granted Sep 6, 2016·1 cites·15 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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