Growing community of inventors

Daly City, CA, United States of America

Helen Hsifei Chen

Average Co-Inventor Count = 3.24

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 452

Helen Hsifei ChenLeonard G Presta (9 patents)Helen Hsifei ChenNapoleone Ferrara (9 patents)Helen Hsifei ChenTerri Lynn Davis-Smyth (9 patents)Helen Hsifei ChenBidan Sinha (1 patent)Helen Hsifei ChenAakash Mayur Mehta (1 patent)Helen Hsifei ChenKarthik Bhat (1 patent)Helen Hsifei ChenKavitha Chandramohan (1 patent)Helen Hsifei ChenThanh-Ha Nguyen (1 patent)Helen Hsifei ChenFei Chen (1 patent)Helen Hsifei ChenHelen Hsifei Chen (11 patents)Leonard G PrestaLeonard G Presta (211 patents)Napoleone FerraraNapoleone Ferrara (105 patents)Terri Lynn Davis-SmythTerri Lynn Davis-Smyth (9 patents)Bidan SinhaBidan Sinha (3 patents)Aakash Mayur MehtaAakash Mayur Mehta (3 patents)Karthik BhatKarthik Bhat (3 patents)Kavitha ChandramohanKavitha Chandramohan (3 patents)Thanh-Ha NguyenThanh-Ha Nguyen (1 patent)Fei ChenFei Chen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Genentech, Inc. (9 from 3,224 patents)


11 patents:

1. 12261950 - Implementing enhanced computer security standard for secure cryptographic key storage using a software-based keystore

2. 9273113 - Methods of inhibiting vascular endothelial growth factor activity

3. 8273353 - Inhibitors of vascular endothelial growth factor activity

4. 8268591 - Compositions and methods for producing inhibitors of vascular endothelial growth factor activity

5. 8268313 - Methods for using inhibitors of vascular endothelial growth factor activity

6. 7771721 - Methods for using chimeric vascular endothelial growth factor receptor proteins

7. 6897294 - Inhibitors of vascular endothelial growth factor activity, their uses and processes for their production

8. 6383486 - Inhibitors of vascular endothelial growth factor activity, their uses and processes for their production

9. 6100071 - Receptors as novel inhibitors of vascular endothelial growth factor

10. 5952199 - Chimeric receptors as inhibitors of vascular endothelial growth factor

11. D329792 - Culinary scissors

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1/8/2026
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