Average Co-Inventor Count = 6.86
ph-index = 1
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. Kawasaki Jukogyo Kabushiki Kaisha (2 from 3,329 patents)
2. Mitsubishi Electric Corporation (1 from 15,928 patents)
2 patents:
1. 10822067 - Power system of ship
2. 8897937 - Apparatus for controlling railcar and methods for detecting synchronous slide/slip