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. Nippon Telegraph and Telephone Corporation (2 from 5,289 patents)
2. Nec Platforms, Ltd. (1 from 346 patents)
1 patent:
1. 10165098 - Telephone switching apparatus and method, and program