Average Co-Inventor Count = 1.33
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 Licht Gmbh (2 from 6 patents)
2 patents:
1. 5521801 - Lamp with oblong lighting means and reflectors
2. D364478 - Fluorescent lighting fixture