Growing community of inventors

Sundsvall, Sweden

Sten Porrvik

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 31

Sten PorrvikGoran Sundstrom (2 patents)Sten PorrvikGunnar Mattson (2 patents)Sten PorrvikBertil Hedvall (2 patents)Sten PorrvikOlof Tanner (1 patent)Sten PorrvikLolo Bylander (1 patent)Sten PorrvikAnders R Axelsson (1 patent)Sten PorrvikSten Porrvik (3 patents)Goran SundstromGoran Sundstrom (6 patents)Gunnar MattsonGunnar Mattson (2 patents)Bertil HedvallBertil Hedvall (2 patents)Olof TannerOlof Tanner (3 patents)Lolo BylanderLolo Bylander (1 patent)Anders R AxelssonAnders R Axelsson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casco Nobel Ab (3 from 16 patents)


3 patents:

1. 4923776 - Toner particles for electrophotographic copying and processes for their

2. 4837107 - Toner for electrophotographic methods and process for preparing the same

3. 4794065 - Toner particles for electrophotographic copying and processes for their

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/1/2026
Loading…