Inventor
LI YOUGEN
US27 patents
⚠️ This page may combine multiple inventors who share the name “LI YOUGEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NUTRITION & BIOSCIENCES USA 4 INC
8 patentsUS11098334B2Aug 24, 2021
Alpha-1,3-glucan graft copolymers
NUTRITION & BIOSCIENCES USA 4 INC8 citations80
US11028373B2Jun 8, 2021
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC1 citations72
US11560551B2Jan 24, 2023
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC1 citations71
US12378535B2Aug 5, 2025
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC0 citations61
US12188055B2Jan 7, 2025
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC0 citations61
US11952598B2Apr 9, 2024
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC0 citations61
US11198853B2Dec 14, 2021
Engineered glucosyltransferases
NUTRITION & BIOSCIENCES USA 4 INC0 citations61
US11932890B2Mar 19, 2024
Alpha-1,3-glucan graft copolymers
NUTRITION & BIOSCIENCES USA 4 INC0 citations59
LI YOUGEN
4 patentsUS8222017B2Jul 17, 2012
Ketol-acid reductoisomerase using NADH
LI YOUGEN40 citations97
US8129162B2Mar 6, 2012
Ketol-acid reductoisomerase using NADH
LI YOUGEN57 citations97
US8945899B2Feb 3, 2015
Ketol-acid reductoisomerase using NADH
LI YOUGEN31 citations93
US8895307B2Nov 25, 2014
Ketol-acid reductoisomerase using NADH
LI YOUGEN34 citations93
BUTAMAX ADVANCED BIOFUELS LLC
3 patentsUS9388392B2Jul 12, 2016
Ketol-acid reductoisomerase enzymes and methods of use
BUTAMAX ADVANCED BIOFUELS LLC9 citations82
US9169467B2Oct 27, 2015
Ketol-acid reductoisomerase enzymes and methods of use
BUTAMAX ADVANCED BIOFUELS LLC11 citations82
US10174345B2Jan 8, 2019
Polypeptides with ketol-acid reductoisomerase activity
BUTAMAX ADVANCED BIOFUELS LLC0 citations51