Average Co-Inventor Count = 1.25
ph-index = 5
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. Westinghouse Electric Corporation (5 from 8,033 patents)
5 patents:
1. 4488631 - Balustrade
2. 4425603 - Indirect light-distributing ceiling fixtures with alternate reflector
3. 4159758 - Transportation apparatus
4. 3991877 - Transportation apparatus
5. 3989133 - Transportation apparatus