Growing community of inventors

Drachten, Netherlands

Jan Spoelstra

Average Co-Inventor Count = 8.00

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 = 34

Jan SpoelstraFokke Roelof Voorhorst (2 patents)Jan SpoelstraJasper Zuidervaart (2 patents)Jan SpoelstraJohan Pragt (2 patents)Jan SpoelstraBastiaan Johannes De Wit (1 patent)Jan SpoelstraArjan Sander Vonk (1 patent)Jan SpoelstraAlastair Ian Blake (1 patent)Jan SpoelstraFoppe Kramer (1 patent)Jan SpoelstraRobert Alexander Santhagens Van Eibergen (1 patent)Jan SpoelstraAlbert Maas De Lange (1 patent)Jan SpoelstraAnna Dirkje Bosma (1 patent)Jan SpoelstraMartijn Adriaan De Keijzer (1 patent)Jan SpoelstraJan Spoelstra (2 patents)Fokke Roelof VoorhorstFokke Roelof Voorhorst (36 patents)Jasper ZuidervaartJasper Zuidervaart (23 patents)Johan PragtJohan Pragt (15 patents)Bastiaan Johannes De WitBastiaan Johannes De Wit (31 patents)Arjan Sander VonkArjan Sander Vonk (8 patents)Alastair Ian BlakeAlastair Ian Blake (6 patents)Foppe KramerFoppe Kramer (5 patents)Robert Alexander Santhagens Van EibergenRobert Alexander Santhagens Van Eibergen (3 patents)Albert Maas De LangeAlbert Maas De Lange (2 patents)Anna Dirkje BosmaAnna Dirkje Bosma (1 patent)Martijn Adriaan De KeijzerMartijn Adriaan De Keijzer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.V. (2 from 21,384 patents)


2 patents:

1. 8186064 - Shaving apparatus

2. 6574866 - Hair removing apparatus comprising plate-shaped carriers which care positioned and movable with respect to each other

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