Inventor · disambiguated record
Jay Hyok Chang
Also filed as: CHANG JAY H · CHANG JAY HYOK · CHANG Jay
14 granted patents·12 pending applications·225 citations·filing 1995–2019
93Inventor score
Top patents by PatentIndex Score
26 records- 0192US5869670A7-(4-aminomethyl-3-methyloxyiminopyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid and the process for the preparation thereofLG CHEMICAL LTD·Filed 1998·Granted Feb 9, 1999·46 cites·2 claims
- 0291US5633262AQuinoline carboxylic acid derivatives having 7-(4-amino-methyl-3-oxime) pyrrolidine substituent and processes for preparing thereofLG CHEMICAL LTD·Filed 1995·Granted May 27, 1997·52 cites·6 claims
- 0388US5962468A7-(4-aminomethyl-3-methyloxyiminopyrrolidin-1-yl)-1- cyclopropyl-6-fluoro-4-oxo-1, 4-dihydro-1, 8-naphthyridine-3-carboxylic acid and the process for the preparation thereofLG CHEMICAL LTD·Filed 1998·Granted Oct 5, 1999·30 cites·12 claims
- 0487US6723734B2Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2002·Granted Apr 20, 2004·16 cites·33 claims
- 0586US5776944A7-(4-aminomethyl-3-methyloxyiminopyrroplidin-1-yl)-1-cyclopropyl-6-flu oro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid and the process for the preparation thereofLG CHEMICAL LTD·Filed 1997·Granted Jul 7, 1998·38 cites·16 claims
- 0680US7700617B2Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2006·Granted Apr 20, 2010·2 cites·6 claims
- 0768US2009182006A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2009·Application pending·0 cites
- 0867US6307059B1Process for preparing a protected 4-aminomethyl-pyrrolidi-3-oneLG CHEMICAL LTD·Filed 1999·Granted Oct 23, 2001·22 cites·21 claims
- 0966US5840916AQuinoline carboxylic acid derivatives having 7-(4-amino-methyl-3-oxime) pyrrolidine substituent and processes for preparing thereofLG CHEMICAL LTD·Filed 1997·Granted Nov 24, 1998·7 cites·1 claims
- 1063US5698570AQuinoline carboxylic acid derivatives having 7-(4-amino-methyl-3-oxime)pyrrolidine substituent and processes for preparing thereofLG CHEMICAL LTD·Filed 1997·Granted Dec 16, 1997·7 cites·6 claims
- 1163US2017253588A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2017·Application pending·0 cites
- 1263US2014187576A1Salt of naphthyridine carboxylic acid derivativeKIM AE RI·Filed 2013·Application pending·0 cites
- 1361US2013065917A1Salt of naphthyridine carboxylic acid derivativeKIM AE RI·Filed 2012·Application pending·0 cites
- 1460US2016264569A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2016·Application pending·0 cites
- 1558US2011312987A1Salt of naphthyridine carboxylic acid derivativeKIM AE RI·Filed 2011·Application pending·0 cites
- 1657US7271272B2Process for preparing 4-aminomethyl-3-alkoxyiminopyrrolidine methanesulfonateLG LIFE SCIENCES LTD·Filed 2004·Granted Sep 18, 2007·5 cites·23 claims
- 1757US2015291585A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2015·Application pending·0 cites
- 1856US7687629B2Process for preparing 4-aminomethyl-3-alkoxyiminopyrrolidine methanesulfonateLG LIFE SCIENCES LTD·Filed 2007·Granted Mar 30, 2010·0 cites·10 claims
- 1956US2010240694A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2010·Application pending·0 cites
- 2052US2004198767A1Salt of naphthyridine carboxylic acid derivativeLG LIFE SCIENCES LTD·Filed 2004·Application pending·0 cites
- 2147US2002032216A1Salt of naphthyridine carboxylic acid derivativeLG CHEMICAL LTD·Filed 2001·Application pending·0 cites
- 2244US7576214B2Process for preparing 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1, 4-dihydro-1,8-naphthyridine-3-carboxylic acidLG LIFE SCIENCES LTD·Filed 2004·Granted Aug 18, 2009·0 cites·10 claims
- 2344US2022023381A1Vdac inhibitors for treating autoimmune diseasesNAT INSTITUTE FOR BIOTECHNOLOGY IN THE NEGEV LTD·Filed 2019·Application pending·0 cites
- 2438US6630593B1Process for preparing a 1-substituted 5-hydroxymethyl imidazoleLG CHEM INVESTMENT LTD·Filed 2000·Granted Oct 7, 2003·0 cites·14 claims
- 2536US2006264652A1Process for preparing 4-chloro-3-hydroxybutanoic acid esterCHO SUNG-WOOK·Filed 2004·Application pending·0 cites
- 2631US6559320B2Process for preparing 4-substituted 1H-pyrrole-3-carboxylic acid esterLG CHEM INVESTMENT LTD·Filed 2001·Granted May 6, 2003·0 cites·10 claims
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