Growing community of inventors

Barnsley, United Kingdom

Ian Johnson

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 = 25

Ian JohnsonRandall Jeff Kozak (1 patent)Ian JohnsonIan Johnson (1 patent)Randall Jeff KozakRandall Jeff Kozak (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Epi Environmental Technologies Inc. (1 from 2 patents)


1 patent:

1. 6558079 - Method and apparatus for covering landfill

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1/8/2026
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