Inventor · disambiguated record
Da Duan
Also filed as: DUAN DA
23 granted patents·7 pending applications·11 citations·filing 2018–2025
92Inventor score
Files withCODEXIS INC30
Top patents by PatentIndex Score
30 records- 0190US11845968B2Engineered deoxyribose-phosphate aldolasesCODEXIS INC·Filed 2022·Granted Dec 19, 2023·1 cites·14 claims
- 0289US11795445B2Engineered phosphopentomutase variant enzymesCODEXIS INC·Filed 2021·Granted Oct 24, 2023·1 cites·12 claims
- 0388US2024409916A1Penicillin-g acylasesCODEXIS INC·Filed 2024·Application pending·0 cites
- 0487US12252723B2Ketoreductase polypeptides and polynucleotidesCODEXIS INC·Filed 2023·Granted Mar 18, 2025·0 cites·6 claims
- 0587US11034948B2Engineered phosphopentomutase variant enzymesCODEXIS INC·Filed 2019·Granted Jun 15, 2021·2 cites·24 claims
- 0687US10745681B2Penicillin-G acylasesCODEXIS INC·Filed 2018·Granted Aug 18, 2020·2 cites·4 claims
- 0786US12421509B2Engineered phosphopentomutase variant enzymesCODEXIS INC·Filed 2023·Granted Sep 23, 2025·0 cites·18 claims
- 0886US12071642B2Engineered amylase variantsCODEXIS INC·Filed 2023·Granted Aug 27, 2024·0 cites·21 claims
- 0986US11274286B2Engineered deoxyribose-phosphate aldolasesCODEXIS INC·Filed 2019·Granted Mar 15, 2022·2 cites·5 claims
- 1085US12084697B2Penicillin-G acylasesCODEXIS INC·Filed 2023·Granted Sep 10, 2024·0 cites·5 claims
- 1184US12460195B2Engineered deoxyribose-phosphate aldolasesCODEXIS INC·Filed 2023·Granted Nov 4, 2025·0 cites·11 claims
- 1284US10865402B2Penicillin-G acylasesCODEXIS INC·Filed 2020·Granted Dec 15, 2020·1 cites·16 claims
- 1384US2025027094A1Engineered purine nucleoside phosphorylase variant enzymesCODEXIS INC·Filed 2024·Application pending·0 cites
- 1483US12012620B2Peroxidase activity towards 10-acetyl-3,7-dihydroxyphenoxazineCODEXIS INC·Filed 2020·Granted Jun 18, 2024·1 cites·12 claims
- 1583US2024384251A1Engineered amylase variantsCODEXIS INC·Filed 2024·Application pending·0 cites
- 1682US11162105B2Engineered purine nucleoside phosphorylase variant enzymesCODEXIS INC·Filed 2019·Granted Nov 2, 2021·1 cites·5 claims
- 1777US12480111B2Penicillin-G acylasesCODEXIS INC·Filed 2023·Granted Nov 25, 2025·0 cites·13 claims
- 1876US11767519B2Engineered amylase variantsCODEXIS INC·Filed 2021·Granted Sep 26, 2023·0 cites·18 claims
- 1976US11746369B2Ketoreductase polypeptides and polynucleotidesCODEXIS INC·Filed 2021·Granted Sep 5, 2023·0 cites·6 claims
- 2075US12110493B2Engineered purine nucleoside phosphorylase variant enzymesCODEXIS INC·Filed 2021·Granted Oct 8, 2024·0 cites·10 claims
- 2175US11591588B2Penicillin-G acylasesCODEXIS INC·Filed 2020·Granted Feb 28, 2023·0 cites·10 claims
- 2275US2025207171A1Ketoreductase polypeptides and polynucleotidesCODEXIS INC·Filed 2025·Application pending·0 cites
- 2375US2024158766A1Engineered adenylate kinase variant enzymesCODEXIS INC·Filed 2024·Application pending·0 cites
- 2473US11913037B2Engineered adenylate kinase variant enzymesCODEXIS INC·Filed 2022·Granted Feb 27, 2024·0 cites·17 claims
- 2569US11021729B2Ketoreductase polypeptides and polynucleotidesCODEXIS INC·Filed 2018·Granted Jun 1, 2021·0 cites·8 claims
- 2667US2024026331A1Recombinant neprosin polypeptides and methods of expressionCODEXIS INC·Filed 2023·Application pending·0 cites
- 2765US12473557B2Engineered guanylate kinase variant enzymesCODEXIS INC·Filed 2022·Granted Nov 18, 2025·0 cites·15 claims
- 2865US2024409912A1Engineered protease polypeptidesCODEXIS INC·Filed 2024·Application pending·0 cites
- 2961US11643642B2Penicillin-g acylasesCODEXIS INC·Filed 2018·Granted May 9, 2023·0 cites·6 claims
- 3055US12503688B2Engineered transaminase polypeptidesCODEXIS INC·Filed 2020·Granted Dec 23, 2025·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →