Inventor · disambiguated record
Dong Rack Choi
Also filed as: CHOI DONG RACK
14 granted patents·1 pending application·84 citations·filing 1994–2025
91Inventor score
Top patents by PatentIndex Score
15 records- 0184US8952164B2R-7-(3-aminomethy-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydo-[1,8]naphthyridine-3-carboxylic acid and l-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobialARIMED INC·Filed 2014·Granted Feb 10, 2015·3 cites·9 claims
- 0283US8664240B2R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobialCHOI DONG RACK·Filed 2010·Granted Mar 4, 2014·4 cites·10 claims
- 0382US9150576B2R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1 acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobialARIMED INC·Filed 2014·Granted Oct 6, 2015·2 cites·16 claims
- 0481US5932742AArylsulfonylimidazolone derivatives as an antitumor agentDONG WHA PHARM IND CO LTD·Filed 1998·Granted Aug 3, 1999·27 cites·2 claims
- 0579US9751840B2R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobialARIBIO CO LTD·Filed 2016·Granted Sep 5, 2017·1 cites·11 claims
- 0677US5929103AArylsulfonylimidazolone derivatives as an antitumor agentDONG WHA PHARM IND CO LTD·Filed 1997·Granted Jul 27, 1999·23 cites·6 claims
- 0773US2025381132A1Eye drops containing chitosan nanoparticles in which pdrn is encapsulated, and preparation method thereforZERONE BIO INC·Filed 2025·Application pending·0 cites
- 0872US6753430B2Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereofDONG WHA PHARM IND CO LTD·Filed 2003·Granted Jun 22, 2004·5 cites·5 claims
- 0963US5496947AQuinolone carboxylic acid derivativesDONG WHA PHARM IND CO LTD·Filed 1994·Granted Mar 5, 1996·17 cites·2 claims
- 1062US6649763B1Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereofDONG WHA PHARM IND CO LTD·Filed 2000·Granted Nov 18, 2003·2 cites·8 claims
- 1156US9452158B2R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1 acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobialARIBIO CO LTD·Filed 2015·Granted Sep 27, 2016·0 cites·8 claims
- 1255US12427107B2Eye drops containing chitosan nanoparticles in which PDRN is encapsulated, and preparation method thereforZERONE BIO INC·Filed 2020·Granted Sep 30, 2025·0 cites·13 claims
- 1352US8324238B2Aspartate of 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid, method for preparing the same, and antimicrobial pharmaceutical composition comprising the sameRYU JEI MAN·Filed 2008·Granted Dec 4, 2012·0 cites·10 claims
- 1442US10869904B2Pharmaceutical composition for preventing or treating respiratory disease comprising extract of Justicia procumbens LDONG WHA PHARM CO LTD·Filed 2017·Granted Dec 22, 2020·0 cites·27 claims
- 1539US10688143B2Composition containing extract or fraction of genus Justicia plantDONG WHA PHARM CO LTD·Filed 2015·Granted Jun 23, 2020·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →