Average Co-Inventor Count = 2.40
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. International Telephone and Telegraph Corporation (2 from 1,088 patents)
2 patents:
1. 3978590 - Sighting device for luminaire positioning
2. 3944809 - Luminaire with mounting means