Average Co-Inventor Count = 1.00
ph-index = NA
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 Corporation (1 from 151 patents)
1 patent:
1. 12505732 - Disaster information provision device, disaster information provision system, disaster information provision method, and disaster information provision program