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Zuidlaren, Netherlands

Alwin William De Vries

Average Co-Inventor Count = 3.29

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 = 8

Alwin William De VriesFokke Roelof Voorhorst (1 patent)Alwin William De VriesMarcus Franciscus Eijkelkamp (18 patents)Alwin William De VriesGeert-Jan Darwinkel (16 patents)Alwin William De VriesMarcus Cornelis Petrelli (7 patents)Alwin William De VriesLuca Iaccarino (2 patents)Alwin William De VriesReinder Niels Lap (2 patents)Alwin William De VriesReinier Niels Lap (2 patents)Alwin William De VriesKam Hing Yau (2 patents)Alwin William De VriesRob Roetert (2 patents)Alwin William De VriesTheunis Quaak (2 patents)Alwin William De VriesMarc Alexander Pastoors (1 patent)Alwin William De VriesPieter Kingma (8 patents)Alwin William De VriesIvar Bosma (1 patent)Alwin William De VriesGeert-jan Darwinkel (1 patent)Alwin William De VriesTheodoor René Maria Hin (0 patent)Alwin William De VriesAlwin William De Vries (9 patents)Fokke Roelof VoorhorstFokke Roelof Voorhorst (36 patents)Marcus Franciscus EijkelkampMarcus Franciscus Eijkelkamp (18 patents)Geert-Jan DarwinkelGeert-Jan Darwinkel (16 patents)Marcus Cornelis PetrelliMarcus Cornelis Petrelli (14 patents)Luca IaccarinoLuca Iaccarino (16 patents)Reinder Niels LapReinder Niels Lap (6 patents)Reinier Niels LapReinier Niels Lap (5 patents)Kam Hing YauKam Hing Yau (4 patents)Rob RoetertRob Roetert (3 patents)Theunis QuaakTheunis Quaak (2 patents)Marc Alexander PastoorsMarc Alexander Pastoors (11 patents)Pieter KingmaPieter Kingma (8 patents)Ivar BosmaIvar Bosma (3 patents)Geert-jan DarwinkelGeert-jan Darwinkel (1 patent)Theodoor René Maria HinTheodoor René Maria Hin (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.V. (9 from 21,384 patents)


9 patents:

1. 12220827 - Shaver head for an electric shaver

2. 11858153 - Spacing comb and hair cutting appliance

3. 11826922 - Coupling assembly for use in a personal care appliance

4. 11331820 - Motion transmission unit, drive train and hair cutting appliance

5. 11312032 - Spacing comb and hair cutting appliance

6. 11260549 - Shaving unit with drive spindles extending in open space

7. 11186000 - Shaving unit and shaving apparatus with supporting structure for external cutting member

8. 11154996 - Shaving unit having cutting units with a flush hole for cleaning a hair collection chamber

9. 10933545 - Shaving unit having cutting units with primary pivot axes

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as of
12/29/2025
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