Growing community of inventors

Cave Creek, AZ, United States of America

David E Johnstone

Average Co-Inventor Count = 12.24

ph-index = 5

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 = 973

David E JohnstoneFred Alan Bishop (8 patents)David E JohnstoneCoby Royer (6 patents)David E JohnstoneDirk B White (6 patents)David E JohnstoneWilliam G Hohle (6 patents)David E JohnstoneWalter Donald Lake (6 patents)David E JohnstoneMarvin Simkin (6 patents)David E JohnstoneNick Swift (6 patents)David E JohnstoneZygmunt Steven Gorgol (6 patents)David E JohnstoneRussell Bennett (6 patents)David E JohnstoneMichael G Johnson (6 patents)David E JohnstoneElliott Glazer (4 patents)David E JohnstoneElliot Glazer (4 patents)David E JohnstoneDavid Armes (2 patents)David E JohnstoneGlen Salow (2 patents)David E JohnstoneAnant Nambiar (2 patents)David E JohnstoneJessica Zoob (2 patents)David E JohnstoneChristina Chow (2 patents)David E JohnstoneLydia C Breck (2 patents)David E JohnstoneKatie Cunningham (2 patents)David E JohnstoneJan Nunney Belt (2 patents)David E JohnstoneMartin Wittwer (2 patents)David E JohnstoneWilliam Schwarz (2 patents)David E JohnstoneDavid E Johnstone (8 patents)Fred Alan BishopFred Alan Bishop (113 patents)Coby RoyerCoby Royer (20 patents)Dirk B WhiteDirk B White (11 patents)William G HohleWilliam G Hohle (10 patents)Walter Donald LakeWalter Donald Lake (6 patents)Marvin SimkinMarvin Simkin (6 patents)Nick SwiftNick Swift (6 patents)Zygmunt Steven GorgolZygmunt Steven Gorgol (6 patents)Russell BennettRussell Bennett (6 patents)Michael G JohnsonMichael G Johnson (6 patents)Elliott GlazerElliott Glazer (22 patents)Elliot GlazerElliot Glazer (5 patents)David ArmesDavid Armes (32 patents)Glen SalowGlen Salow (26 patents)Anant NambiarAnant Nambiar (7 patents)Jessica ZoobJessica Zoob (5 patents)Christina ChowChristina Chow (4 patents)Lydia C BreckLydia C Breck (4 patents)Katie CunninghamKatie Cunningham (2 patents)Jan Nunney BeltJan Nunney Belt (2 patents)Martin WittwerMartin Wittwer (2 patents)William SchwarzWilliam Schwarz (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. American Express Travel Related Services Company, Inc. (5 from 1,452 patents)

2. Lead Core Fund, L.l.c. (2 from 16 patents)

3. Gula Consulting Limited Liability Company (1 from 77 patents)


8 patents:

1. 9519894 - Methods and apparatus for conducting electronic transactions

2. 8938402 - Methods and apparatus for conducting electronic transactions

3. 8924310 - Methods and apparatus for conducting electronic transactions

4. 8214299 - Methods and apparatus for conducting electronic transactions

5. 7835960 - System for facilitating a transaction

6. 7801827 - Methods and apparatus for conducting electronic transactions

7. 7627531 - System for facilitating a transaction

8. 7343351 - Methods and apparatus for conducting electronic transactions

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as of
12/4/2025
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