Growing community of inventors

Stow, MA, United States of America

Richard A Johnson

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 = 26

Richard A JohnsonEdward E Spignese (1 patent)Richard A JohnsonCurtis E Carlson (1 patent)Richard A JohnsonRichard A Johnson (1 patent)Edward E SpigneseEdward E Spignese (3 patents)Curtis E CarlsonCurtis E Carlson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Raytheon Company (1 from 8,181 patents)


1 patent:

1. 4090250 - Digital signal processor

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12/20/2025
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