Inventor
HSIEH HELEN
SG14 patents
⚠️ This page may combine multiple inventors who share the name “HSIEH HELEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CODEXIS INC
11 patentsUS9624478B2Apr 18, 2017
Biocatalysts and methods for the synthesis of substituted lactams
CODEXIS INC19 citations91
US10435674B2Oct 8, 2019
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC3 citations84
US9902943B2Feb 27, 2018
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC3 citations84
US11034939B2Jun 15, 2021
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC1 citations73
US10526587B2Jan 7, 2020
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC2 citations73
US10858635B2Dec 8, 2020
Biocatalysts and methods for the synthesis of substituted lactams
CODEXIS INC1 citations72
US10633640B2Apr 28, 2020
Biocatalysts and methods for the synthesis of substituted lactams
CODEXIS INC2 citations72
US12305201B2May 20, 2025
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC0 citations62
US11732248B2Aug 22, 2023
Engineered biocatalysts and methods for synthesizing chiral amines
CODEXIS INC0 citations62
US12163162B2Dec 10, 2024
Biocatalysts and methods for the synthesis of substituted lactams
CODEXIS INC0 citations61
US11597918B2Mar 7, 2023
Biocatalysts and methods for the synthesis of substituted lactams
CODEXIS INC0 citations61