Average Co-Inventor Count = 3.43
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 5,290 patents)
2 patents:
1. 12106048 - Structured text processing learning apparatus, structured text processing apparatus, structured text processing learning method, structured text processing method and program
2. 11593436 - Information provision device, information provision method, and program