Growing community of inventors

San Jose, CA, United States of America

John S Drewry

Average Co-Inventor Count = 4.43

ph-index = 6

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 = 209

John S DrewryRahul Sharma (5 patents)John S DrewrySaurav Chatterjee (5 patents)John S DrewrySteven D Schramm (4 patents)John S DrewrySanjeev Krishnan (3 patents)John S DrewryVenkata Sastry Akella (3 patents)John S DrewryPaul Fullarton (2 patents)John S DrewryMichael White (2 patents)John S DrewryHemendra Rana (2 patents)John S DrewryJosh Perfetto (2 patents)John S DrewryGary Cribb (2 patents)John S DrewryPronob Ashwin (2 patents)John S DrewryPaul R Fulton (2 patents)John S DrewryAndre M Nakaso (2 patents)John S DrewryMike White (1 patent)John S DrewryHermendra Rana (1 patent)John S DrewryKate Withey (1 patent)John S DrewryMichael A White (0 patent)John S DrewryJohn S Drewry (11 patents)Rahul SharmaRahul Sharma (39 patents)Saurav ChatterjeeSaurav Chatterjee (25 patents)Steven D SchrammSteven D Schramm (9 patents)Sanjeev KrishnanSanjeev Krishnan (19 patents)Venkata Sastry AkellaVenkata Sastry Akella (5 patents)Paul FullartonPaul Fullarton (15 patents)Michael WhiteMichael White (14 patents)Hemendra RanaHemendra Rana (14 patents)Josh PerfettoJosh Perfetto (11 patents)Gary CribbGary Cribb (2 patents)Pronob AshwinPronob Ashwin (2 patents)Paul R FultonPaul R Fulton (2 patents)Andre M NakasoAndre M Nakaso (2 patents)Mike WhiteMike White (2 patents)Hermendra RanaHermendra Rana (1 patent)Kate WitheyKate Withey (1 patent)Michael A WhiteMichael A White (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mobile Iron, Inc. (5 from 105 patents)

2. Cisco Technology, Inc. (4 from 20,458 patents)

3. Orative Corporation (2 from 8 patents)


11 patents:

1. 10182318 - Integration of enterprise voicemail in mobile systems

2. 9830468 - User interface for secure virtual document management system

3. 9465953 - Secure virtual file management system

4. 9213858 - Secure virtual file management system

5. 9122887 - User interface for secure virtual document management system

6. 8863297 - Secure virtual file management system

7. 8644484 - System and method for active mobile collaboration

8. 8638910 - Integration of enterprise voicemail in mobile systems

9. 8041020 - System and method for active mobile collaboration

10. 7974391 - Conversation-based user interface

11. 7940910 - Directory integration in mobile systems

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as of
1/18/2026
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