Growing community of inventors

Indianapolis, IN, United States of America

Roger A Hartman

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 = 0

Roger A HartmanMichael D Bradfield (1 patent)Roger A HartmanRoger A Hartman (1 patent)Michael D BradfieldMichael D Bradfield (90 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Delco Remy International, Inc. (1 from 6 patents)


1 patent:

1. 7015608 - Method and apparatus to suppress electrical noise in a rotor assembly for an electrical machine

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1/23/2026
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