Inventor · Seoul, KR

Kyung Il Choi

27Patents
4h-index
71Co-inventors
66Inventor score

Filing activity: Jun 24, 1999 → Mar 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6248230A Method for manufacturing cleaner fuels Chemistry; Metallurgy 74 Expired
US6602818B2 Method for preparing a catalyst for selective catalytic reduction of nitrogen oxides Emerging Cross-Sectional Technologies 32 Expired
US8895602B1 6-pyrazolylamido-3-substituted azabicyclo[3.1.0]hexane compounds as calcium channel inhibitors Human Necessities 9 Active
US6723724B2 Isoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D3 or D4 receptor, and preparation thereof Chemistry; Metallurgy 8 Expired
US10762315B2 Lighting control system using barcode information Emerging Cross-Sectional Technologies 2 Active
US11638338B2 Group-performance control method using light-emitting devices Electricity 2 Active
US6673740B2 Method for preparing a catalyst for reduction of nitrogen oxides Performing Operations; Transporting 2 Expired
US6673800B2 4,5,-dihydroisoxazolylakylpiperazine derivatives having selective biological activity at dopamine D3 or D4 receptor, and preparation thereof Chemistry; Metallurgy 2 Expired
US7544686B2 Piperazinylalkylpyrazole derivatives useful as selective T-type calcium channel blockers and preparation method thereof Chemistry; Metallurgy 1 Active
US8980923B2 Compositions and methods for selective inhibition of nicotine acetylcholine receptors Human Necessities 0 Active
US8748422B2 Pharmaceutical compositions containing quinazoline derivatives for treating as serotonin receptor antagonist Human Necessities 0 Active
US10509930B2 Lighting control system using barcode information Emerging Cross-Sectional Technologies 0 Active
US11924729B2 Lighting control system using barcode information Emerging Cross-Sectional Technologies 0 Active
US8492384B2 Imidazolylalkylcarbonyl derivatives as calcium channel modulators and preparation method thereof Chemistry; Metallurgy 0 Active
US7094908B2 Reduction of carbonyl compounds using the carbonyl reductase of Kluyveromyces marxianus Chemistry; Metallurgy 0 Expired
US12035439B2 Performance directing system, device, and method using plurality of layers Emerging Cross-Sectional Technologies 0 Active
US7939672B2 Phenylacetate derivatives or pharmaceutically acceptable salts thereof, preparation method thereof and composition for prevention or treatment of diseases induced by activation of T-type calcium ion channel containing the same as an active ingredient Chemistry; Metallurgy 0 Active
US11895757B2 Performance directing method and performance directing system using the same Electricity 0 Active
US7388101B1 Tetrahydrofuran derivatives having cis substituent, their intermediates, and their preparation method Chemistry; Metallurgy 0 Active
US11638137B2 Lighting control system using barcode information Emerging Cross-Sectional Technologies 0 Active
US8507540B2 Oxazolidinone derivatives containing new bicyclic group, having antibacterial activity, and method for treating pathogenic bacterial infections using the same Emerging Cross-Sectional Technologies 0 Active
US8383631B2 1,6-disubstituted-3-amino-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-C]pyridin-7-one compounds and preparation thereof Human Necessities 0 Active
US11350258B2 Lighting control system using barcode information Emerging Cross-Sectional Technologies 0 Active
US10387700B2 Emission control system using barcode information Emerging Cross-Sectional Technologies 0 Active
US7531555B2 Compositions and methods for selective inhibition of nicotine acetylcholine receptors Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.