Average Co-Inventor Count = 4.32
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. Ntt Docomo, Inc. (3 from 4,715 patents)
2. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
3 patents:
1. 7848274 - Content distribution method and relay apparatus
2. 7379087 - Chat management system
3. 7249370 - Communication system and transfer device