Growing community of inventors

Boulder, CO, United States of America

John N Gillis

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 46

John N GillisRobert E Sievers (2 patents)John N GillisJohn N Gillis (2 patents)Robert E SieversRobert E Sievers (17 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. University Patents, Inc. (2 from 224 patents)


2 patents:

1. 4654053 - Oxygen sorbent

2. 4514522 - Oxygen sorbent

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as of
12/20/2025
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