Average Co-Inventor Count = 1.00
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. Nec Infrontia Corporation (1 from 290 patents)
2. Nec Platforms, Ltd. (347 patents)
1 patent:
1. 8873726 - Telephone exchange system, communication apparatus, telephone incoming call method, and non-transitory computer readable medium storing program