Average Co-Inventor Count = 8.00
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. Yokogawa Electric Corporation (1 from 1,325 patents)
1 patent:
1. 7999661 - Signal relay device, communication network system and operation system