Average Co-Inventor Count = 3.00
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. Nippon Telegraph and Telephone Corporation (1 from 5,289 patents)
2. Inter-university Research Institute Corporation Research Organization of Information and Systems (1 from 27 patents)
1 patent:
1. 11758181 - Encoding method, encoding apparatus, and program