Growing community of inventors

Sneek, Netherlands

Friso Terpstra

Average Co-Inventor Count = 7.00

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 = 5

Friso TerpstraJohan Pragt (1 patent)Friso TerpstraRobert Alexander Van Eibergen Santhagens (1 patent)Friso TerpstraWouter Van Kempen (1 patent)Friso TerpstraAlbert Maas De Lange (1 patent)Friso TerpstraJan Dirk Van Den Berge (1 patent)Friso TerpstraStuart Robbie Campbell (1 patent)Friso TerpstraFriso Terpstra (1 patent)Johan PragtJohan Pragt (15 patents)Robert Alexander Van Eibergen SanthagensRobert Alexander Van Eibergen Santhagens (12 patents)Wouter Van KempenWouter Van Kempen (5 patents)Albert Maas De LangeAlbert Maas De Lange (2 patents)Jan Dirk Van Den BergeJan Dirk Van Den Berge (1 patent)Stuart Robbie CampbellStuart Robbie Campbell (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.V. (1 from 21,384 patents)


1 patent:

1. 9555551 - Rotary shaving unit

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as of
12/25/2025
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