Growing community of inventors

Pepperell, MA, United States of America

James F Friend

Average Co-Inventor Count = 3.00

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 = 18

James F FriendRobert J Walsh (1 patent)James F FriendSteve N Barbas (1 patent)James F FriendJames F Friend (1 patent)Robert J WalshRobert J Walsh (7 patents)Steve N BarbasSteve N Barbas (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Marconi Intellectual Property (ringfence), Inc. (1 from 21 patents)


1 patent:

1. 6886107 - Method and system for selecting a master controller in a redundant control plane having plural controllers

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12/15/2025
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