Inventor · disambiguated record
Keuk Chan Bang
Also filed as: BANG KEUK CHAN
10 granted patents·1 pending application·32 citations·filing 2004–2021
85Inventor score
Files withDAE WOONG PHARMA3HANMI SCIENCE CO LTD3HANMI PHARM IND CO LTD2AHN YOUNG-GIL1BANG KEUK CHAN1
Top patents by PatentIndex Score
11 records- 0190US8859767B2Method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)-prop-2-en-1-one hydrochloride and intermediates used thereinHANMI SCIENCE CO LTD·Filed 2012·Granted Oct 14, 2014·8 cites·18 claims
- 0281US8940908B2Method for preparing tetrazole methanesulfonic acid salts, and novel compound used in sameHANMI SCIENCE CO LTD·Filed 2014·Granted Jan 27, 2015·4 cites·5 claims
- 0380US11149019B2Phenylpyridine derivative and pharmaceutical composition comprising the sameDAE WOONG PHARMA·Filed 2018·Granted Oct 19, 2021·2 cites·13 claims
- 0476US7625926B2P-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
- 0575US10399988B24-aminopyrazolo[3,4-d]pyrimidinylazabicyclo derivatives and pharmaceutical composition comprising the sameDAE WOONG PHARMA·Filed 2017·Granted Sep 3, 2019·2 cites·16 claims
- 0674US8680277B2Method for preparing tetrazole methanesulfonic acid salts, and novel compound used in sameBANG KEUK CHAN·Filed 2011·Granted Mar 25, 2014·4 cites·17 claims
- 0772US12227498B2Heterocyclic amine derivative and pharmaceutical composition comprising sameDAEWOONG PHARMACEUTICAL CO LTD·Filed 2019·Granted Feb 18, 2025·1 cites·18 claims
- 0867US9518043B2Method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yi)prop-2-en-1-oneHANMI PHARM IND CO LTD·Filed 2014·Granted Dec 13, 2016·1 cites·13 claims
- 0961US8846699B2Quinazoline derivatives as a multiplex inhibitor and method for the preparation thereofAHN YOUNG-GIL·Filed 2006·Granted Sep 30, 2014·1 cites·3 claims
- 1060US2022064145A1Synthesis of poziotinib derivativeHANMI SCIENCE CO LTD·Filed 2021·Application pending·0 cites
- 1147US11180496B21H-pyrazolopyridine derivative and pharmaceutical composition comprising the sameDAE WOONG PHARMA·Filed 2018·Granted Nov 23, 2021·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →