Growing community of inventors

Groningen, Netherlands

Joop Knol

Average Co-Inventor Count = 6.00

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 = 13

Joop Knol ↔ Jan Cornelis Hummelen (2 patents)Joop Knol ↔ Martinus Maria Wienk (2 patents)Joop Knol ↔ Wilhelmus Johannus Hermanus Verhees (2 patents)Joop Knol ↔ Johannes Martinus Kroon (2 patents)Joop Knol ↔ René Albert Johan Janssen (2 patents)Joop Knol ↔ Rene Albert Janssen (1 patent)Joop Knol ↔ Wilhelmus Johannus Verhees (1 patent)Joop KnolJoop Knol (2 patents)Jan Cornelis HummelenJan Cornelis Hummelen (14 patents)Martinus Maria WienkMartinus Maria Wienk (2 patents)Wilhelmus Johannus Hermanus VerheesWilhelmus Johannus Hermanus Verhees (2 patents)Johannes Martinus KroonJohannes Martinus Kroon (2 patents)René Albert Johan JanssenRené Albert Johan Janssen (2 patents)Rene Albert JanssenRene Albert Janssen (1 patent)Wilhelmus Johannus VerheesWilhelmus Johannus Verhees (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rijksuniversiteit Groningen (2 from 55 patents)


2 patents:

1. 8481996 - Organic material photodiode

2. 7906797 - Organic material photodiode

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12/19/2025
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