Average Co-Inventor Count = 3.00
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 (3 from 15,928 patents)
3 patents:
1. 8909422 - In-vehicle information system
2. 8842531 - IP address delivery system and IP address delivery method
3. 8705525 - Communication relay device for train and communication relay method for train