Growing community of inventors

Atlanta, GA, United States of America

John Evan

Average Co-Inventor Count = 3.00

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 = 25

John EvanRaymond Lee (1 patent)John EvanGregory A Ferro (1 patent)John EvanJohn Evan (1 patent)Raymond LeeRaymond Lee (49 patents)Gregory A FerroGregory A Ferro (15 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Imi-Tech Corporation (1 from 17 patents)


1 patent:

1. 4791275 - High temperature compliant roll particularly adapted for xerography

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as of
1/12/2026
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