Average Co-Inventor Count = 3.00
ph-index = 3
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. Lightolier Incorporated (3 from 50 patents)
3 patents:
1. 4988840 - Control switch
2. D307578 - Combined escutcheon and power switch
3. 4880950 - Control switch