Growing community of inventors

Farmington Hills, MI, United States of America

Richard 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 = 25

Richard JohnsonDonald F Marfilius (1 patent)Richard JohnsonRandall E Szalma (1 patent)Richard JohnsonRichard Johnson (1 patent)Donald F MarfiliusDonald F Marfilius (5 patents)Randall E SzalmaRandall E Szalma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Magna Interior Systems Inc. (1 from 33 patents)


1 patent:

1. 6183045 - Method of manufacturing an interior automotive component and components made therefrom

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as of
12/15/2025
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