Average Co-Inventor Count = 3.00
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. Hitachi, Ltd. (1 from 42,485 patents)
2. Nissan Motor Company Limited (1 from 13,395 patents)
1 patent:
1. 8374761 - Driving force distribution control method and device for four wheel drive vehicle