Average Co-Inventor Count = 1.80
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. Telstra Corporation Limited (2 from 45 patents)
2. Australian and Overseas Telecommunications Corp. Limited (1 from 3 patents)
3 patents:
1. 7720204 - Method of establishing a communications call
2. 6324264 - Method of establishing a communications call
3. 5519770 - Enhanced telephony apparatus and system