Growing community of inventors

Kalmar, Sweden

Alf K Johansson

Average Co-Inventor Count = 1.00

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 = 20

Alf K JohanssonAlf K Johansson (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Atlas Copco Berema Aktiebolag (2 from 9 patents)


2 patents:

1. D319960 - Hand-held tool

2. D319959 - Hand-held tool

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12/20/2025
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