Growing community of inventors

Apple Valley, MN, United States of America

Roger D Steen

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 = 8

Roger D SteenDonald G Krantz (1 patent)Roger D SteenRoger D Steen (1 patent)Donald G KrantzDonald G Krantz (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alliant Techsystems Inc. (1 from 492 patents)


1 patent:

1. 5426527 - System for transmitting multiple signals across a single fiber optic

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as of
1/22/2026
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