Average Co-Inventor Count = 5.00
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. Tohoku University (2 from 984 patents)
2. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)
3. Ntt Corporation (1 from 142 patents)
2 patents:
1. 12443793 - Device, method and program for natural language processing
2. 11797761 - Device, method and program for natural language processing