Assignee
DONG KOOK PHARM CO LTD
KR·26 granted patents·4 pending applications·323 citations·filing 1992–2023
Top patents by PatentIndex Score
30 records- 0192US6506410B1Sustained release microparticle and method for preparing the sameDONG KOOK PHARM CO LTD·Filed 2000·Granted Jan 14, 2003·118 cites·11 claims
- 0278US5855904ABiodegradable sustained release preparation for treating periodontitisDONG KOOK PHARM CO LTD·Filed 1995·Granted Jan 5, 1999·52 cites·3 claims
- 0378US5834437AAsiatic acid derivatives its manufacturing method and dermatological agent containing itDONG KOOK PHARM CO LTD·Filed 1995·Granted Nov 10, 1998·26 cites·4 claims
- 0476US5599553ALocal drug delivery film for periodontal treatmentDONG KOOK PHARM CO LTD·Filed 1992·Granted Feb 4, 1997·50 cites·11 claims
- 0575US5792885APreparation of 3-amino-1-hydroxypropane-1, 1-diphosphonic acidDONG KOOK PHARM CO LTD·Filed 1997·Granted Aug 11, 1998·21 cites·5 claims
- 0671US7192743B2Method of producing teicoplaninDONG KOOK PHARM CO LTD·Filed 2005·Granted Mar 20, 2007·3 cites·4 claims
- 0765US8686151B2Montelukast 4-halobenzylamine salt and method for preparing montelukast sodium salt by using the sameDONG KOOK PHARM CO LTD·Filed 2012·Granted Apr 1, 2014·1 cites·14 claims
- 0863US6127546AProcess for the preparation of oxazoline compoundDONG KOOK PHARM CO LTD·Filed 2000·Granted Oct 3, 2000·3 cites·6 claims
- 0959US5414156AProcess for producing ortho-isopropylated phenol derivativesDONG KOOK PHARM CO LTD·Filed 1994·Granted May 9, 1995·7 cites·12 claims
- 1056US10085941B2Pharmaceutical composition for parenteral administration, containing donepezilDONG KOOK PHARM CO LTD·Filed 2014·Granted Oct 2, 2018·1 cites·11 claims
- 1155US9168282B2Method for treating neuronal damage and neurological diseasesDONG KOOK PHARM CO LTD·Filed 2013·Granted Oct 27, 2015·0 cites·5 claims
- 1255US5532381AProcess for preparing pyrrolizine derivativesDONG KOOK PHARM CO LTD·Filed 1994·Granted Jul 2, 1996·5 cites·9 claims
- 1354US10301690B2Streptomyces filamentosus variant and method for producing daptomycin using sameDONG KOOK PHARM CO LTD·Filed 2014·Granted May 28, 2019·0 cites·6 claims
- 1451US2021330575A1Cosmetic composition for skin whitening and wrinkle improvement comprising adventitious root extract of centella asiatica as effective ingredientDONG KOOK PHARM CO LTD·Filed 2019·Application pending·0 cites
- 1549US11273194B2Pharmaceutical composition containing avocado oil fraction as active ingredient for prevention or treatment of hearing lossDONG KOOK PHARM CO LTD·Filed 2020·Granted Mar 15, 2022·0 cites·4 claims
- 1648US5789204ABiosorbent for heavy metals prepared from biomassDONG KOOK PHARM CO LTD·Filed 1996·Granted Aug 4, 1998·19 cites·5 claims
- 1747US2025161224A1Method for preparing microsphere with improved suspension performance, using coacervationDONG KOOK PHARM CO LTD·Filed 2023·Application pending·0 cites
- 1846US2011200679A1Method for manufacturing sustained release microsphere by solvent flow evaporation methodDONG KOOK PHARM CO LTD·Filed 2009·Application pending·0 cites
- 1943US12582651B2Pharmaceutical composition comprising tadalafil or pharmaceutically acceptable salt thereof and dutasteride or pharmaceutically acceptable salt thereof exhibiting novel dissolution rateDONG KOOK PHARM CO LTD·Filed 2021·Granted Mar 24, 2026·0 cites·3 claims
- 2039US5654321A2-chloro-3-arylamino-1,4-naphthoquinone derivatives, process for preparation thereof and use thereof as an agent for inhibiting platelet aggregationDONG KOOK PHARM CO LTD·Filed 1996·Granted Aug 5, 1997·3 cites·13 claims
- 2138US7244591B2Yeast transformant producing recombinant human parathyroid hormone and method for producing the hormoneDONG KOOK PHARM CO LTD·Filed 2001·Granted Jul 17, 2007·0 cites·7 claims
- 2238US2016175313A1Entecavir microspheres and pharmaceutical composition for parenteral administration containing sameDONG KOOK PHARM CO LTD·Filed 2013·Application pending·0 cites
- 2337US6169112B1Medicines for treating dementia or cognitive disorder, which comprises asiatic acid derivativesDONG KOOK PHARM CO LTD·Filed 1997·Granted Jan 2, 2001·5 cites·1 claims
- 2436US6071898AAsiatic acid derivatives having modified A-ringDONG KOOK PHARM CO LTD·Filed 1997·Granted Jun 6, 2000·3 cites·4 claims
- 2534US5698104APurification process for hirudin using affinity chromatographyDONG KOOK PHARM CO LTD·Filed 1995·Granted Dec 16, 1997·2 cites·12 claims
- 2634US5463046A1-β-methyl-2-thiolic carbapenem derivativesDONG KOOK PHARM CO LTD·Filed 1993·Granted Oct 31, 1995·2 cites·3 claims
- 2732US6143900AStereoselective synthesis of oxazoline derivativeDONG KOOK PHARM CO LTD·Filed 1999·Granted Nov 7, 2000·1 cites·4 claims
- 2830US6274559B1Liver protection or treatment agents comprising asiatic acid derivatives as the active componentDONG KOOK PHARM CO LTD·Filed 1998·Granted Aug 14, 2001·1 cites·3 claims
- 2924US5484712AMethod for producing aclacinomycins A, B, Y using Strepomyces lavendofoliae DKRSDONG KOOK PHARM CO LTD·Filed 1995·Granted Jan 16, 1996·0 cites·6 claims
- 3021US5468637AS. lavendofoliae DKRS cell culture producing anti-tumor aclacinomycins A, B, Y and aglyconesDONG KOOK PHARM CO LTD·Filed 1994·Granted Nov 21, 1995·0 cites·3 claims
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