Growing community of inventors

Minneapolis, MN, United States of America

Doug E Johnson

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 67

Doug E JohnsonColin McCullough (4 patents)Doug E JohnsonDoug E Johnson (4 patents)Colin McCulloughColin McCullough (21 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. 3m Innovative Properties Company (4 from 14,076 patents)


4 patents:

1. 6913838 - Aluminum matrix composite wire

2. 6796365 - Method of making aluminum matrix composite wire

3. 6723451 - Aluminum matrix composite wires, cables, and method

4. 6692842 - Aluminum matrix composite wires, cables, and method

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as of
12/26/2025
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