Average Co-Inventor Count = 6.15
ph-index = 2
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. 7761326 - Token type content providing system and token type content providing method and portable user terminal
2. 7712123 - Method, system, and apparatus for acquiring information concerning broadcast information