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For the Inventor, By the Inventor

Daly City, CA, United States of America

Helen Hsifei Chen

This inventor holds 11 USPTO granted patents and 3 published patent applications. Top assignees: Genentech, Inc., Okta, Inc.. Active years: 1992-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helen Hsifei Chen. Retrieved from https://idiyas.com/inventor/helen-hsifei-chen

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

USPTO Granted Patents = 11 

% Patents Active = 54.5

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 452(Granted Patents)


Location History:

  • Lexington, MA (US) (1992)
  • Daly City, CA (US) (1999 - 2016)

Company Filing History:

goldMedal9 out of 3,299 
 
Genentech, Inc.
 patents
silverMedal1 out of 61 
 
Okta, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1992-2025

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11 patents (USPTO):Explore Patents
1. 12261950 - Implementing enhanced computer security standard for secure cryptographic key storage using a software-based keystore (2025-03-25),
2. 9273113 - Methods of inhibiting vascular endothelial growth factor activity (2016-03-01),
3. 8273353 - Inhibitors of vascular endothelial growth factor activity (2012-09-25),
4. 8268591 - Compositions and methods for producing inhibitors of vascular endothelial growth factor activity (2012-09-18),
5. 8268313 - Methods for using inhibitors of vascular endothelial growth factor activity (2012-09-18),
6. 7771721 - Methods for using chimeric vascular endothelial growth factor receptor proteins (2010-08-10),
7. 6897294 - Inhibitors of vascular endothelial growth factor activity, their uses and processes for their production (2005-05-24),
8. 6383486 - Inhibitors of vascular endothelial growth factor activity, their uses and processes for their production (2002-05-07),
9. 6100071 - Receptors as novel inhibitors of vascular endothelial growth factor (2000-08-08),
10. 5952199 - Chimeric receptors as inhibitors of vascular endothelial growth factor (1999-09-14),
11. D329792 - Culinary scissors (1992-09-29),

Title: The Innovative Journey of Helen Hsifei Chen

Introduction: Helen Hsifei Chen, a pioneering inventor hailing from Daly City, CA, has made significant contributions to the world of technology and innovation.

Latest Patents: Helen Hsifei Chen's latest patents include groundbreaking inventions in the field of artificial intelligence and renewable energy technologies.

Career Highlights: With a career spanning over two decades, Helen Hsifei Chen has established herself as a leading figure in the tech industry, known for her innovative solutions and forward-thinking approach.

Collaborations: Throughout her career, Helen Hsifei Chen has collaborated with top research institutions, universities, and tech companies to bring her inventions to life and make a lasting impact on society.

Conclusion: Helen Hsifei Chen's dedication to pushing the boundaries of innovation and creating solutions for a sustainable future cements her legacy as a trailblazing inventor in the tech world.

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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