Dong Rack Choi
14Patents
4h-index
42Co-inventors
60Inventor score
Filing activity: Feb 8, 1994 → Mar 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5932742A | Arylsulfonylimidazolone derivatives as an antitumor agent | Chemistry; Metallurgy | 15 | Expired |
| US5929103A | Arylsulfonylimidazolone derivatives as an antitumor agent | Chemistry; Metallurgy | 12 | Expired |
| US5496947A | Quinolone carboxylic acid derivatives | Chemistry; Metallurgy | 9 | Expired |
| US6753430B2 | Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof | Chemistry; Metallurgy | 4 | Expired |
| US8664240B2 | R-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 antimicrobial | Chemistry; Metallurgy | 4 | Active |
| US8952164B2 | R-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 antimicrobial | Chemistry; Metallurgy | 3 | Active |
| US9150576B2 | R-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 antimicrobial | Chemistry; Metallurgy | 2 | Active |
| US9751840B2 | R-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 antimicrobial | Chemistry; Metallurgy | 1 | Active |
| US6649763B1 | Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof | Chemistry; Metallurgy | 1 | Expired |
| US10869904B2 | Pharmaceutical composition for preventing or treating respiratory disease comprising extract of Justicia procumbens L | Human Necessities | 0 | Active |
| US8324238B2 | Aspartate 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 same | Human Necessities | 0 | Active |
| US9452158B2 | R-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 antimicrobial | Chemistry; Metallurgy | 0 | Active |
| US10688143B2 | Composition containing extract or fraction of genus Justicia plant | Human Necessities | 0 | Active |
| US12427107B2 | Eye drops containing chitosan nanoparticles in which PDRN is encapsulated, and preparation method therefor | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.