Growing community of inventors

Farmington, MN, United States of America

Douglas A Johnson

Average Co-Inventor Count = 1.91

ph-index = 3

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 = 39

Douglas A JohnsonJeffrey Walton Easley (1 patent)Douglas A JohnsonBrian Christopher Hawes (1 patent)Douglas A JohnsonPhillip E Marks (1 patent)Douglas A JohnsonRobert J Spooner (1 patent)Douglas A JohnsonKatrina Marie Zell (1 patent)Douglas A JohnsonDavid Morley (1 patent)Douglas A JohnsonChristopher C Campbell (1 patent)Douglas A JohnsonJulia Yilan Kennedy (1 patent)Douglas A JohnsonAngela M Johnson (1 patent)Douglas A JohnsonEric Jason Grenet (1 patent)Douglas A JohnsonPaul Christopher Blanchard (1 patent)Douglas A JohnsonLawrence Paul McDermott, Jr (1 patent)Douglas A JohnsonDouglas A Johnson (4 patents)Jeffrey Walton EasleyJeffrey Walton Easley (15 patents)Brian Christopher HawesBrian Christopher Hawes (9 patents)Phillip E MarksPhillip E Marks (8 patents)Robert J SpoonerRobert J Spooner (6 patents)Katrina Marie ZellKatrina Marie Zell (5 patents)David MorleyDavid Morley (3 patents)Christopher C CampbellChristopher C Campbell (3 patents)Julia Yilan KennedyJulia Yilan Kennedy (2 patents)Angela M JohnsonAngela M Johnson (1 patent)Eric Jason GrenetEric Jason Grenet (1 patent)Paul Christopher BlanchardPaul Christopher Blanchard (1 patent)Lawrence Paul McDermott, JrLawrence Paul McDermott, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,680 patents)

2. United Services Automobile Association (usaa) (1 from 3,180 patents)


4 patents:

1. 12169804 - System and method for dynamic context sensitive guidance

2. 6540647 - Water rehabilitation device

3. 6149808 - Disposable paint strainer

4. 5152013 - Versatile tandem belt

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as of
12/7/2025
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