Growing community of inventors

Houston, TX, United States of America

Yawn David H

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 = 60

Yawn David HLouis W Feldman (1 patent)Yawn David HYawn David H (1 patent)Louis W FeldmanLouis W Feldman (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kardiothor, Inc. (1 from 2 patents)


1 patent:

1. 4795419 - Centrifuge

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as of
12/15/2025
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