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For the Inventor, By the Inventor

Newark, CA, United States of America

Da Duan

This inventor holds 23 USPTO granted patents and 8 published patent applications, primarily in Enzyme Engineering. Top assignees: Codexis, Inc., Societe Des Produits Nestle S.a.. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Da Duan. Retrieved from https://idiyas.com/inventor/da-duan

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 100.0

Average Co-Inventor Count = 8.9

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Newark, CA (US) (2020 - 2023)
  • Foster City, CA (US) (2023 - 2024)

Company Filing History:

goldMedal23 out of 467 
 
Codexis, Inc.
 patents
silverMedal2 out of 1,288 
 
Societe Des Produits Nestle S.a.
 patents
where one patent can have more than one assignee

Years Active: 2020-2026

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Areas of Expertise:
Transaminase Polypeptides
Guanylate Kinase
Aldolases
Phosphopentomutase
Ketoreductase
Penicillin-G Acylases
Amylase Variants
Nucleoside Phosphorylase
23 patents (USPTO):Explore Patents
1. 12540314 - PEROXIDASE ACTIVITY TOWARDS 10-ACETYL-3,7-DIHYDROXYPHENOXAZINE (2026-02-03),
2. 12503688 - Engineered transaminase polypeptides (2025-12-23),
3. 12473557 - Engineered guanylate kinase variant enzymes (2025-11-18),
4. 12460195 - Engineered deoxyribose-phosphate aldolases (2025-11-04),
5. 12421509 - Engineered phosphopentomutase variant enzymes (2025-09-23),
6. 12252723 - Ketoreductase polypeptides and polynucleotides (2025-03-18),
7. 12110493 - Engineered purine nucleoside phosphorylase variant enzymes (2024-10-08),
8. 12084697 - Penicillin-G acylases (2024-09-10),
9. 12071642 - Engineered amylase variants (2024-08-27),
10. 12012620 - Peroxidase activity towards 10-acetyl-3,7-dihydroxyphenoxazine (2024-06-18),
11. 11913037 - Engineered adenylate kinase variant enzymes (2024-02-27),
12. 11845968 - Engineered deoxyribose-phosphate aldolases (2023-12-19),
13. 11795445 - Engineered phosphopentomutase variant enzymes (2023-10-24),
14. 11767519 - Engineered amylase variants (2023-09-26),
15. 11746369 - Ketoreductase polypeptides and polynucleotides (2023-09-05),

Title: Da Duan: Pioneering Inventor from Newark, CA

Introduction: Da Duan is a renowned inventor hailing from Newark, CA, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Da Duan holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Da Duan has worked with leading tech companies, research institutions, and universities, consistently pushing the boundaries of what is possible in the realm of innovation.

Collaborations: Da Duan has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Da Duan's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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