Growing community of inventors

Big Lake, MN, United States of America

Richard Willems

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 = 77

Richard WillemsJohn S Buan (3 patents)Richard WillemsRichard Willems (3 patents)John S BuanJohn S Buan (31 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Smith + Nephew (2 from 2,210 patents)

2. Kalypto Medical, Inc. (1 from 11 patents)


3 patents:

1. 12097095 - Method and apparatus for providing negative pressure to a negative pressure wound therapy bandage

2. 10300178 - Method for providing negative pressure to a negative pressure wound therapy bandage

3. 9067003 - Method for providing negative pressure to a negative pressure wound therapy bandage

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as of
12/28/2025
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