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. Mitsubishi Electric Corporation (4 from 15,928 patents)
4 patents:
1. 11089709 - Vehicular control device
2. D734263 - Controller for railway vehicle
3. D693766 - Auxiliary power-supply for vehicle
4. D691559 - Controller for railway vehicle