Growing community of inventors

Landskrona, Sweden

Ralf Johansson

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 = 16

Ralf Johansson ↔ Per Engdahl (1 patent)Ralf Johansson ↔ Dragan Spasic (1 patent)Ralf Johansson ↔ Dragan Spasic (1 patent)Ralf JohanssonRalf Johansson (1 patent)Per EngdahlPer Engdahl (4 patents)Dragan SpasicDragan Spasic (1 patent)Dragan SpasicDragan Spasic (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoganas Ab (1 from 79 patents)

2. Ståsäker Ab (1 patent)

3. Ralf Johansson (0 patent)

4. Dragan Spasic (0 patent)

5. Per Engdahl (0 patent)


1 patent:

1. 5403371 - Iron-based powder, component made thereof, and method of making the

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/31/2025
Loading…