Average Co-Inventor Count = 2.67
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. Ntt Comware Corporation (2 from 5 patents)
2 patents:
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
2. 6847710 - Device for collecting, processing, working, and managing call details and method for collecting, processing, working, and managing call details