Growing community of inventors

Sevenum, Netherlands

Petrus Marinus Josephus Clephas

Average Co-Inventor Count = 2.40

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 = 2

Petrus Marinus Josephus ClephasMichael Cornelis Anthonius Relouw (1 patent)Petrus Marinus Josephus ClephasDirk Cornelis Dionisius Maria Van Oirschot (1 patent)Petrus Marinus Josephus ClephasCarolus Theodorus Wilhelmus Petrus Jansen (1 patent)Petrus Marinus Josephus ClephasPetrus Marinus Josephus Clephas (2 patents)Michael Cornelis Anthonius RelouwMichael Cornelis Anthonius Relouw (4 patents)Dirk Cornelis Dionisius Maria Van OirschotDirk Cornelis Dionisius Maria Van Oirschot (2 patents)Carolus Theodorus Wilhelmus Petrus JansenCarolus Theodorus Wilhelmus Petrus Jansen (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Inalfa Roof Systems Group B.v. (2 from 200 patents)


2 patents:

1. 12024001 - Sunshade system and method of manufacturing parts thereof

2. 9051773 - Rollo assembly and open roof construction for a vehicle provided therewith

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as of
12/20/2025
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