Inventor · disambiguated record
Gwan Sun Lee
Also filed as: LEE GWAN S · LEE GWAN SUN
67 granted patents·20 pending applications·757 citations·filing 1996–2019
99Inventor score
Files withHANMI PHARM IND CO LTD42HANMI SCIENCE CO LTD8SONG DAE HAE4HANMI HOLDINGS CO LTD3JUNG SUNG YOUB3
Top patents by PatentIndex Score
87 records- 0197US8124094B2Immunoglobulin Fc fragment modified by non-peptide polymer and pharmaceutical composition comprising the sameKIM YOUNG MIN·Filed 2005·Granted Feb 28, 2012·63 cites·13 claims
- 0296US8263084B2Pharmaceutical composition for treating obesity-related disease comprising insulinotropic peptide conjugateSONG DAE HAE·Filed 2008·Granted Sep 11, 2012·37 cites·6 claims
- 0396US7736653B2Pharmaceutical composition comprising an immunoglobulin Fc region as a carrierHANMI PHARM IND CO LTD·Filed 2004·Granted Jun 15, 2010·80 cites·13 claims
- 0496US7737260B2Protein complex using an immunoglobulin fragment and method for the preparation thereofHANMI PHARM IND CO LTD·Filed 2004·Granted Jun 15, 2010·54 cites·45 claims
- 0595US8110665B2Pharmaceutical composition comprising an immunoglobulin FC region as a carrierKIM YOUNG MIN·Filed 2010·Granted Feb 7, 2012·24 cites·11 claims
- 0693US8163889B2Physiologically active polypeptide conjugate having prolonged in vivo half-lifeKIM YOUNG-MIN·Filed 2009·Granted Apr 24, 2012·14 cites·17 claims
- 0791US8029789B2Method for the mass production of immunoglobulin constant regionHANMI HOLDINGS CO LTD·Filed 2004·Granted Oct 4, 2011·25 cites·12 claims
- 0890US8476230B2Insulinotropic complex using an immunoglobulin fragmentSONG DAE HAE·Filed 2008·Granted Jul 2, 2013·18 cites·20 claims
- 0990US6515116B2Method of preparing form II crystals of clarithromycinHANMI PHARM CO·Filed 2001·Granted Feb 4, 2003·68 cites·18 claims
- 1087US9636420B2Polypeptide complex comprising non-peptidyl polymer having three functional endsSONG DAE HAE·Filed 2009·Granted May 2, 2017·9 cites·24 claims
- 1187US7968316B2Method for the mass production of immunoglobulin Fc region deleted initial methionine residuesHANMI HOLDINGS CO LTD·Filed 2006·Granted Jun 28, 2011·9 cites·15 claims
- 1287US6423846B1High-yield method for preparing lansoprazoleHANMI PHARM IND CO LTD·Filed 2001·Granted Jul 23, 2002·18 cites·7 claims
- 1386US9750820B2IgG Fc fragment for a drug carrier and method for the preparation thereofHANMI SCIENCE CO LTD·Filed 2014·Granted Sep 5, 2017·4 cites·4 claims
- 1485US10071171B2Polypeptide complex comprising non-peptidyl polymer having three functional endsHANMI SCIENCE CO LTD·Filed 2015·Granted Sep 11, 2018·5 cites·22 claims
- 1585US9422349B2N-terminal modified exendin-4JUNG SUNG YOUB·Filed 2008·Granted Aug 23, 2016·8 cites·8 claims
- 1685US8003658B2Quinazoline derivatives for inhibiting cancer cell growth and method for the preparation thereofHANMI HOLDINGS CO LTD·Filed 2005·Granted Aug 23, 2011·7 cites·11 claims
- 1785US6444796B1Method of preparing form II crystals of clarithromycinHANMI PHARM IND CO LTD·Filed 2000·Granted Sep 3, 2002·22 cites·9 claims
- 1883US8895281B2Method for preparing a site-specific physiologically active polypeptide conjugateSONG DAE HAE·Filed 2010·Granted Nov 25, 2014·5 cites·15 claims
- 1983US6809188B1Method of preparing clarithromycinHANMI PAHRM CO LTD·Filed 2000·Granted Oct 26, 2004·28 cites·9 claims
- 2082US7718399B2Expression vector for secreting antibody fragment using E. coli signal sequence and method for mass-producing antibody fragmentHANMI PHARM IND CO LTD·Filed 2004·Granted May 18, 2010·6 cites·19 claims
- 2182US7157576B2Crystalline acid salts of cefdinir and process for preparing cefdinir using sameHANMI PHARM IND CO LTD·Filed 2002·Granted Jan 2, 2007·12 cites·9 claims
- 2282US6093814AProcess for preparation of cefdinirHANMI PHARMACEUTICAL CO LTD·Filed 1996·Granted Jul 25, 2000·38 cites·17 claims
- 2381US7470707B2Crystalline monohydrate clopidogrel naphthalenedisulfonate and process of preparationHANMI PHARM IND CO LTD·Filed 2004·Granted Dec 30, 2008·13 cites·10 claims
- 2480US8188102B2Amide derivative for inhibiting the growth of cancer cellsLEE KWANG-OK·Filed 2008·Granted May 29, 2012·15 cites·4 claims
- 2580US7704709B2Modified human granulocyte-colony stimulating factor and process for producing sameHANMI PHARM IND CO LTD·Filed 2007·Granted Apr 27, 2010·2 cites·28 claims
- 2679US8097706B2Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used thereinLEE JAEHEON·Filed 2008·Granted Jan 17, 2012·7 cites·7 claims
- 2777US10071166B2Protein complex using an immunoglobulin fragment and method for the preparation thereofHANMI SCIENCE CO LTD·Filed 2013·Granted Sep 11, 2018·1 cites·16 claims
- 2877US7576219B2Crystalline S-omeprazole strontium hydrate, method for preparing same, and pharmaceutical composition containing sameHANMI PHARM IND CO LTD·Filed 2006·Granted Aug 18, 2009·2 cites·1 claims
- 2976US11058776B2IgG Fc fragment for a drug carrier and method for the preparation thereofHANMI SCIENCE CO LTD·Filed 2019·Granted Jul 13, 2021·0 cites·5 claims
- 3076US8846874B2IgG Fc fragment for a drug carrier and method for the preparation thereofJUNG SUNG YOUB·Filed 2004·Granted Sep 30, 2014·4 cites·4 claims
- 3176US8822650B2Method for the mass production of immunoglobulin constant regionJUNG SUNG YOUB·Filed 2011·Granted Sep 2, 2014·1 cites·10 claims
- 3276US7625926B2P-glycoprotein inhibitor, method for preparing the same and pharmaceutical composition comprising the sameHANMI PHARM IND CO LTD·Filed 2004·Granted Dec 1, 2009·9 cites·9 claims
- 3376US6388091B1Process for the preparation of 1,2,3,9-tetrahydro-9-methyl-3-{(2-methyl-1H-imidazol-1-yl)methyl}-4H-carbazol-4-oneHANMI PHARM IND CO LTD·Filed 2001·Granted May 14, 2002·12 cites·9 claims
- 3475US6639068B1Method of preparing highly pure cefpodoxime proxetilHANMI PHARM IND CO LTD·Filed 2000·Granted Oct 28, 2003·8 cites·6 claims
- 3575US6605697B1Modified E. coli enterotoxin II signal peptide and a microorganism expressing a fusion protein of a said peptide and a heterologous proteinHANMI PHARM IND CO LTD·Filed 1999·Granted Aug 12, 2003·41 cites·4 claims
- 3674US6506886B1Method of preparing form II crystals of clarithromycinHANMI PHARM IND CO LTD·Filed 1999·Granted Jan 14, 2003·39 cites·5 claims
- 3773US8263769B2Process for preparing voriconazoleMOON YOUNG HO·Filed 2008·Granted Sep 11, 2012·2 cites·7 claims
- 3873US7202360B2Method for preparing risperidoneHANMI PHARM IND CO LTD·Filed 2003·Granted Apr 10, 2007·6 cites·6 claims
- 3973US7052867B2Expression and secretion vector for human interferon alpha and process for producing human interferon alpha by employing sameHANMI PHARM IND CO LTD·Filed 2001·Granted May 30, 2006·4 cites·11 claims
- 4073US6936625B2Amlodipine camsylate and method for preparing thereofHANMI PHARM IND CO LTD·Filed 2002·Granted Aug 30, 2005·6 cites·8 claims
- 4171US8349969B2Method for preparing high-purity polyethyleneglycol aldehyde derivativesID BIOCHEM INC·Filed 2009·Granted Jan 8, 2013·3 cites·8 claims
- 4270US7205394B2Clathrate of azithromycin hydrate with 1,2-propyleneglycol, method for the manufacture thereof and pharmaceutical composition comprising sameHANMI PHARM IND CO LTD·Filed 2002·Granted Apr 17, 2007·4 cites·6 claims
- 4370US2018326083A1Protein complex using an immunoglobulin fragment and method for the preparation thereofHANMI SCIENCE CO LTD·Filed 2018·Application pending·0 cites
- 4469US10272159B2IgG Fc fragment for a drug carrier and method for the preparation thereofHANMI SCIENCE CO LTD·Filed 2014·Granted Apr 30, 2019·0 cites·4 claims
- 4568US11040110B2Polypeptide complex comprising non-peptidyl polymer having three functional endsHANMI SCIENCE CO LTD·Filed 2018·Granted Jun 22, 2021·0 cites·26 claims
- 4668US8624026B2Method of preparing sitagliptin and intermediates used thereinKIM NAM DU·Filed 2010·Granted Jan 7, 2014·2 cites·6 claims
- 4768US8426599B2Method for preparation of Montelukast acid in ionic liquid mediumPARK CHUL-HYUN·Filed 2008·Granted Apr 23, 2013·1 cites·6 claims
- 4868US7038050B2Method for the preparation of highly pure 1-androstene derivativesHANMI PHARM IND CO LTD·Filed 2004·Granted May 2, 2006·3 cites·6 claims
- 4967US7799907B2Method for the preparation of 2′-deoxy-2′,2′-difluorocytidineHANMI PHARM IND CO LTD·Filed 2005·Granted Sep 21, 2010·1 cites·21 claims
- 5067US7112672B2Process for the selective preparation of 3-(z) propenyl-cephem compoundHANMI PHARM IND CO LTD·Filed 2002·Granted Sep 26, 2006·3 cites·15 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →