Average Co-Inventor Count = 3.00
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. Dual-lite Inc. (2 from 15 patents)
2 patents:
1. 6280042 - Emergency lighting device
2. 6019477 - Emergency lighting device