Average Co-Inventor Count = 4.00
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. Nippon Telegraph and Telephone Corporation (2 from 5,290 patents)
2 patents:
1. 12124777 - Equipment state detection device, equipment state detection method, and program
2. 12117373 - Testing apparatus of utility pole