Growing community of inventors

Cleveland Heights, OH, United States of America

Jeffrey R Johansen

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 = 5

Jeffrey R JohansenMichael A Riley (1 patent)Jeffrey R JohansenMichael J Orr (1 patent)Jeffrey R JohansenJeffrey R Johansen (1 patent)Michael A RileyMichael A Riley (10 patents)Michael J OrrMichael J Orr (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Engineering Technology, Incorporated (1 from 1 patent)


1 patent:

1. 6228136 - Cyanobacterial inoculants for land reclamation

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as of
12/19/2025
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