Growing community of inventors

Tokyo, Japan

Hans Labrijn

Average Co-Inventor Count = 3.00

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

Hans LabrijnOlivier Sterk (1 patent)Hans LabrijnWijtse Bergsma (1 patent)Hans LabrijnHans Labrijn (1 patent)Olivier SterkOlivier Sterk (7 patents)Wijtse BergsmaWijtse Bergsma (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)


1 patent:

1. 4698908 - Shaving appliance

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as of
12/17/2025
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