Average Co-Inventor Count = 1.00
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.
Company Filing History:
1. Zumtobel Lighting Gmbh & Co. Kg (2 from 25 patents)
2. Zumtobel Lighting Gmbh (1 from 204 patents)
3 patents:
1. D590537 - Luminaire
2. D590090 - Luminaire
3. D578704 - Reflecting element of a luminaire