Growing community of inventors

Seattle, WA, United States of America

John Keister

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 120

John KeisterJohn Busby (1 patent)John KeisterRussell C Horowitz (1 patent)John KeisterEthan Caldwell (1 patent)John KeisterWalter Korman (1 patent)John KeisterPeter Christothoulou (1 patent)John KeisterJohn Keister (1 patent)John BusbyJohn Busby (2 patents)Russell C HorowitzRussell C Horowitz (1 patent)Ethan CaldwellEthan Caldwell (1 patent)Walter KormanWalter Korman (1 patent)Peter ChristothoulouPeter Christothoulou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Marchex, Inc. (1 from 29 patents)


1 patent:

1. 7668950 - Automatically updating performance-based online advertising system and method

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as of
1/13/2026
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