Growing community of inventors

Cologne, Germany

Ottfried Zierenberg

Average Co-Inventor Count = 5.09

ph-index = 2

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 = 27

Ottfried ZierenbergHans-Heiner Lautenschlager (2 patents)Ottfried ZierenbergGerrit Prop (2 patents)Ottfried ZierenbergHans Betzing (1 patent)Ottfried ZierenbergGerd Hilboll (1 patent)Ottfried ZierenbergAndre Welter (1 patent)Ottfried ZierenbergJohannes Winkelmann (1 patent)Ottfried ZierenbergAxel Brekle (1 patent)Ottfried ZierenbergOttfried Zierenberg (2 patents)Hans-Heiner LautenschlagerHans-Heiner Lautenschlager (16 patents)Gerrit PropGerrit Prop (13 patents)Hans BetzingHans Betzing (17 patents)Gerd HilbollGerd Hilboll (10 patents)Andre WelterAndre Welter (10 patents)Johannes WinkelmannJohannes Winkelmann (7 patents)Axel BrekleAxel Brekle (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. A. Nattermann & Cie Gmbh (2 from 94 patents)


2 patents:

1. 4552869 - O-Alkyl-O-carbamoylglycerophosphocholines and the use for treating

2. 4460598 - Triphenylimidazolyloxyalkanoic acids and their derivatives and a process

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