Average Co-Inventor Count = 1.43
ph-index = 4
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 Aktiengesellschaft (2 from 8 patents)
2. Zumtobel Staff Gmbh (1 from 29 patents)
3. Zumtobel Licht Gmbh (1 from 6 patents)
4. Zumitobel Staff Gmbh (1 from 1 patent)
5. Zumtobel Lighting Gmbh (202 patents)
5 patents:
1. 6746133 - Luminaire
2. 6655819 - Luminaire
3. 5521801 - Lamp with oblong lighting means and reflectors
4. 5264999 - Light screen
5. D319322 - Corner connector for ceiling lighting fixtures