Growing community of inventors

The Hague, Netherlands

Roy Widjaja

Average Co-Inventor Count = 4.00

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 = 8

Roy Widjaja ↔ Robert Klein Nagelvoort (1 patent)Roy Widjaja ↔ Joachim Ansorge (1 patent)Roy Widjaja ↔ Adrianus Reinier Punt (1 patent)Roy WidjajaRoy Widjaja (1 patent)Robert Klein NagelvoortRobert Klein Nagelvoort (7 patents)Joachim AnsorgeJoachim Ansorge (6 patents)Adrianus Reinier PuntAdrianus Reinier Punt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,645 patents)


1 patent:

1. 7451618 - Process for liquefying natural gas and producing hydrocarbons

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as of
12/12/2025
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