Growing community of inventors

Haarlem, Netherlands

Alphonsus M Hoenderdos

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 = 0

Alphonsus M Hoenderdos ↔ Christiaan Johannes Snijders (1 patent)Alphonsus M Hoenderdos ↔ Willem G De Jong (1 patent)Alphonsus M Hoenderdos ↔ Adrianus P De Jong (1 patent)Alphonsus M HoenderdosAlphonsus M Hoenderdos (1 patent)Christiaan Johannes SnijdersChristiaan Johannes Snijders (5 patents)Willem G De JongWillem G De Jong (2 patents)Adrianus P De JongAdrianus P De Jong (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. B.v. Optische Industrie 'De Oude Delft' (1 from 53 patents)


1 patent:

1. 5603130 - Sanitary seat

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1/20/2026
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