Growing community of inventors

Commerce Township, MI, United States of America

Ronald S Friedman

Average Co-Inventor Count = 2.00

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 = 5

Ronald S Friedman ↔ William C Sisco (1 patent)Ronald S FriedmanRonald S Friedman (1 patent)William C SiscoWilliam C Sisco (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Simpson Industries, Inc. (1 from 18 patents)


1 patent:

1. 5483932 - Hollow balance shaft

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12/16/2025
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