Growing community of inventors

Haltern am See, Germany

Jan-Stephan Gehrke

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 = 2

Jan-Stephan Gehrke ↔ Harald Sturm (4 patents)Jan-Stephan Gehrke ↔ Axel Stieneker (4 patents)Jan-Stephan Gehrke ↔ Davide Brizzolara (4 patents)Jan-Stephan Gehrke ↔ Ingo Fischer (4 patents)Jan-Stephan Gehrke ↔ Dieter Polte (4 patents)Jan-Stephan Gehrke ↔ Radu Bordeianu (3 patents)Jan-Stephan Gehrke ↔ Heinz Bankholt (0 patent)Jan-Stephan Gehrke ↔ Kurt Müller (0 patent)Jan-Stephan Gehrke ↔ Karl-Heinz Hamsen (0 patent)Jan-Stephan Gehrke ↔ Michael Träger (0 patent)Jan-Stephan GehrkeJan-Stephan Gehrke (4 patents)Harald SturmHarald Sturm (8 patents)Axel StienekerAxel Stieneker (6 patents)Davide BrizzolaraDavide Brizzolara (6 patents)Ingo FischerIngo Fischer (4 patents)Dieter PolteDieter Polte (4 patents)Radu BordeianuRadu Bordeianu (3 patents)Heinz BankholtHeinz Bankholt (0 patent)Kurt MüllerKurt Müller (0 patent)Karl-Heinz HamsenKarl-Heinz Hamsen (0 patent)Michael TrägerMichael Träger (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Vestolit Gmbh & Co. Kg (4 from 5 patents)

2. Vestolit Gmbh (1 patent)


4 patents:

1. 10407529 - Transparent article made of PVC graft copolymers

2. 10407530 - Transparent article made of PVC graft copolymers

3. 10125208 - Transparent article made of PVC graft copolymers

4. 9957385 - Plasticizer-free article made of PVC graft copolymers

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12/11/2025
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