Growing community of inventors

Enschede, Netherlands

Jan R Haak

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 = 6

Jan R Haak ↔ David N Reinhoudt (1 patent)Jan R Haak ↔ Peter D Van Der Wal (1 patent)Jan R Haak ↔ Hermanus A Holterman (1 patent)Jan R Haak ↔ Udo H Verkerk (1 patent)Jan R Haak ↔ Gerardus W Honig (1 patent)Jan R HaakJan R Haak (1 patent)David N ReinhoudtDavid N Reinhoudt (6 patents)Peter D Van Der WalPeter D Van Der Wal (2 patents)Hermanus A HoltermanHermanus A Holterman (1 patent)Udo H VerkerkUdo H Verkerk (1 patent)Gerardus W HonigGerardus W Honig (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Priva Agro Holding B.v. (1 from 2 patents)


1 patent:

1. 5238548 - Membrane selective for metal ions

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12/18/2025
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