Growing community of inventors

Nuenen, Netherlands

Guybert M Derks

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 = 3

Guybert M DerksPetrus E Legierse (1 patent)Guybert M DerksAnna L Bouwkamp-Wijnoltz (1 patent)Guybert M DerksGuybert M Derks (1 patent)Petrus E LegiersePetrus E Legierse (12 patents)Anna L Bouwkamp-WijnoltzAnna L Bouwkamp-Wijnoltz (1 patent)
..
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. 5965983 - Electric lamp with a coating containing a metal oxide pigment for

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…