Growing community of inventors

Portland, OR, United States of America

Phil Johnson

Average Co-Inventor Count = 4.00

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 = 77

Phil Johnson ↔ John R Marshall (1 patent)Phil Johnson ↔ Clayton Neil Cowgill (1 patent)Phil Johnson ↔ Michael Walters (1 patent)Phil JohnsonPhil Johnson (1 patent)John R MarshallJohn R Marshall (8 patents)Clayton Neil CowgillClayton Neil Cowgill (5 patents)Michael WaltersMichael Walters (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Digital Networks North America, Inc. (1 from 17 patents)


1 patent:

1. 6606281 - Personal audio player with a removable multi-function module

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as of
12/31/2025
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