Inventor · disambiguated record
Stephen Chang
Also filed as: CHANG STEPHEN · CHANG STEPHEN M W
21 granted patents·7 pending applications·1,418 citations·filing 1993–2025
96Inventor score
Files withNEW YORK STEM CELL FOUND INC10CHIRON CORP8VIAGENE INC3NEW YORK STEM CELL FOUND2NOVARTIS VACCINES & DIAGNOSTIC2
Top patents by PatentIndex Score
28 records- 0198US5843723AAlphavirus vector constructsCHIRON CORP·Filed 1996·Granted Dec 1, 1998·327 cites·47 claims
- 0298US5789245AAlphavirus structural protein expression cassettesCHIRON CORP·Filed 1996·Granted Aug 4, 1998·345 cites·29 claims
- 0397US7977091B2Eukaryotic layered vector initiation systemsNOVARTIS VACCINES & DIAGNOSTIC·Filed 2009·Granted Jul 12, 2011·38 cites·4 claims
- 0494US5591624ARetroviral packaging cell linesVIAGENE INC·Filed 1993·Granted Jan 7, 1997·217 cites·9 claims
- 0593US7070994B2Packaging cellsOXFORD BIOMEDICA LTD·Filed 2002·Granted Jul 4, 2006·46 cites·5 claims
- 0691US10968435B2Automated system for producing induced pluripotent stem cells or differentiated cellsNEW YORK STEM CELL FOUND·Filed 2019·Granted Apr 6, 2021·4 cites·9 claims
- 0791US5681746ARetroviral delivery of full length factor VIIIVIAGENE INC·Filed 1994·Granted Oct 28, 1997·169 cites·14 claims
- 0888US7572628B2Eukaryotic layered vector initiation systemsNOVARTIS VACCINES & DIAGNOSTIC·Filed 2003·Granted Aug 11, 2009·9 cites·34 claims
- 0987US11732242B2Automated system for producing induced pluripotent stem cells or differentiated cellsNEW YORK STEM CELL FOUND INC·Filed 2021·Granted Aug 22, 2023·1 cites·9 claims
- 1087US10273459B2Automated system for producing induced pluripotent stem cells or differentiated cellsNEW YORK STEM CELL FOUND·Filed 2012·Granted Apr 30, 2019·7 cites·33 claims
- 1186US6818439B1Methods for administration of recombinant gene delivery vehicles for treatment of hemophilia and other disordersCHIRON CORP·Filed 1997·Granted Nov 16, 2004·92 cites·20 claims
- 1286US5716832APackaging cellsVIAGENE INC·Filed 1995·Granted Feb 10, 1998·63 cites·11 claims
- 1384US11149250B2Microglia derived from pluripotent stem cells and methods of making and using the sameNEW YORK STEM CELL FOUND INC·Filed 2017·Granted Oct 19, 2021·3 cites·17 claims
- 1483US10428309B2Systems and methods for producing stem cells and differentiated cellsNEW YORK STEM CELL FOUND INC·Filed 2014·Granted Oct 1, 2019·3 cites·9 claims
- 1583US6410316B1Methods for producing a vector producing cell line utilizing a high multiplicity of transductionCHIRON CORP·Filed 2000·Granted Jun 25, 2002·23 cites·15 claims
- 1683US2024191203A1Automated system for producing induced pluripotent stem cells or differentiated cellsNEW YORK STEM CELL FOUND INC·Filed 2023·Application pending·0 cites
- 1781US12247195B2Microfluidic system and method of use thereofNEW YORK STEM CELL FOUND INC·Filed 2022·Granted Mar 11, 2025·0 cites·22 claims
- 1881US11136556B2Systems and methods for producing stem cells and differentiated cellsNEW YORK STEM CELL FOUND INC·Filed 2019·Granted Oct 5, 2021·1 cites·20 claims
- 1974US2022073884A1Systems and methods for producing stem cells and differentiated cellsNEW YORK STEM CELL FOUND INC·Filed 2021·Application pending·0 cites
- 2074US2025250532A1Microfluidic system and method of use thereofNEW YORK STEM CELL FOUND INC·Filed 2025·Application pending·0 cites
- 2172US5856185AMethod for making reflection defective retroviral vectors for infecting human cellsCHIRON CORP·Filed 1995·Granted Jan 5, 1999·32 cites·18 claims
- 2269US11542465B2Microfluidic system and method of use thereofNEW YORK STEM CELL FOUND INC·Filed 2017·Granted Jan 3, 2023·0 cites·19 claims
- 2365US6297048B1Hepatitis therapeuticsCHIRON CORP·Filed 1995·Granted Oct 2, 2001·29 cites·7 claims
- 2464US2021403863A1Microglia derived from pluripotent stem cells and methods of making and using the sameNEW YORK STEM CELL FOUND INC·Filed 2021·Application pending·0 cites
- 2561US2004029278A1Eukaryotic layered vector initiation systemsCHIRON CORP·Filed 2002·Application pending·0 cites
- 2648US6410326B1Method for inhibiting human tumor cellsCHIRON CORP·Filed 1995·Granted Jun 25, 2002·9 cites·10 claims
- 2748US2003051259A1Packaging cellsFiled 2002·Application pending·0 cites
- 2846US2002141974A1Hepatitis therapeuticsFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →