Average Co-Inventor Count = 2.40
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 Mobile Communications Network, Inc. (2 from 247 patents)
2 patents:
1. 6064876 - Mobile communications system and method with message storing function
2. 5828958 - Mobile communications system and communications network