Growing community of inventors

Stockholm, Sweden

Ragnar Sjödahl

Average Co-Inventor Count = 6.00

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 = 1

Ragnar SjödahlMahmood Alemrajabi (2 patents)Ragnar SjödahlIngrid Karlsson (2 patents)Ragnar SjödahlMartina Petranikova (2 patents)Ragnar SjödahlCristian Tunsu (2 patents)Ragnar SjödahlEmma Nehrenheim (2 patents)Ragnar SjödahlRagnar Sjödahl (2 patents)Mahmood AlemrajabiMahmood Alemrajabi (4 patents)Ingrid KarlssonIngrid Karlsson (2 patents)Martina PetranikovaMartina Petranikova (2 patents)Cristian TunsuCristian Tunsu (2 patents)Emma NehrenheimEmma Nehrenheim (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Northvolt Ab (2 from 12 patents)


2 patents:

1. 12381268 - Process for the recovery of cathode materials in the recycling of batteries

2. 11509000 - Process for the recovery of cathode materials in the recycling of batteries by removing aluminum and iron

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as of
12/18/2025
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