Average Co-Inventor Count = 3.00
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. Acuity Brands, Inc. (2 from 160 patents)
2. Nsi Enterprises, Inc. (2 from 76 patents)
4 patents:
1. 6848798 - Emergency lighting unit/exit sign combination
2. 6499866 - Emergency lighting unit/exit sign combination
3. 6142648 - Emergency lighting unit/exit sign combination
4. 5797673 - Emergency lighting unit/exit sign combination