Average Co-Inventor Count = 4.80
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 (1 from 5,289 patents)
2. Ntt Docomo, Inc. (1 from 4,698 patents)
2 patents:
1. 12355640 - Service quality management system
2. 11929049 - Output content generation apparatus, output content generation method and program