Average Co-Inventor Count = 6.82
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. Westinghouse Electric Corporation (1 from 8,033 patents)
2. Northrop Grumman Systems Corporation (1 from 3,387 patents)
2 patents:
1. 5831409 - Electric vehicle propulsion system employing AC induction motor control
2. 5504655 - Electric vehicle power distribution module