Growing community of inventors

Lörrach, Germany

Winfried Steffen

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 = 3

Winfried Steffen ↔ Peter Rohringer (1 patent)Winfried Steffen ↔ Ted Deisenroth (1 patent)Winfried Steffen ↔ Robert Cockcroft (1 patent)Winfried SteffenWinfried Steffen (1 patent)Peter RohringerPeter Rohringer (45 patents)Ted DeisenrothTed Deisenroth (17 patents)Robert CockcroftRobert Cockcroft (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ciba Specialty Chemicals Corporation (1 from 1,524 patents)


1 patent:

1. 7731820 - Compositions of fluorescent whitening agents

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12/26/2025
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