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. Ntt Comware Corporation (1 from 5 patents)
1 patent:
1. 6847707 - Communication charge calculating apparatus, control method for the same, and medium in which program for the communication charge calculating apparatus has been recorded