Growing community of inventors

Madison, WI, United States of America

David W Johnson

Average Co-Inventor Count = 2.18

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 = 21

David W JohnsonJo E Handelsman (2 patents)David W JohnsonRobert M Goodman (2 patents)David W JohnsonEric V Stabb (2 patents)David W JohnsonLynn M Jacobson (2 patents)David W JohnsonKevin P Smith (2 patents)David W JohnsonEdward A Cohen (1 patent)David W JohnsonDavid W Johnson (4 patents)Jo E HandelsmanJo E Handelsman (25 patents)Robert M GoodmanRobert M Goodman (13 patents)Eric V StabbEric V Stabb (8 patents)Lynn M JacobsonLynn M Jacobson (3 patents)Kevin P SmithKevin P Smith (2 patents)Edward A CohenEdward A Cohen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wisconsin Alumni Research Foundation (2 from 4,124 patents)


4 patents:

1. D440004 - Reflected-light table lamp

2. 5700462 - Bacillus cereus strain MS1-9, ATCC 55812

3. 5552138 - Bacillus cereus strain AS4-12

4. D294714 - Question and answer cube

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as of
12/21/2025
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