Growing community of inventors

Mantua, OH, United States of America

Hans A Johansen

Average Co-Inventor Count = 2.40

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 = 90

Hans A JohansenDavid D Russell (1 patent)Hans A JohansenEdward A Green (1 patent)Hans A JohansenLarry R Phillippi (1 patent)Hans A JohansenHans A Johansen (2 patents)David D RussellDavid D Russell (20 patents)Edward A GreenEdward A Green (16 patents)Larry R PhillippiLarry R Phillippi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eaton Corporation (1 from 5,989 patents)

2. Samuel Moore and Company (1 from 22 patents)


2 patents:

1. 4303457 - Method of making a semi-conductive paint hose

2. 3988188 - Dimensionally stable, flexible hydraulic hose having improved chemical

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1/10/2026
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