Average Co-Inventor Count = 2.31
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. Vtech Telecommunications Limited (5 from 90 patents)
5 patents:
1. 9503583 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
2. 9374473 - Peer-to-peer, internet protocol telephone system with auto-attendant
3. 9270710 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
4. 8737384 - Peer-to-peer, internet protocol telephone system with auto-attendant
5. 8711844 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data