Average Co-Inventor Count = 1.38
ph-index = 7
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. Nortel Networks Corporation (5 from 4,171 patents)
2. Northern Telecom Limited (2 from 2,276 patents)
3. Other (1 from 832,718 patents)
4. Hewlett-packard Development Company, L.p. (1 from 27,404 patents)
9 patents:
1. 8737973 - Enhanced voice calling using smart phone services
2. 7386110 - Directory assistance utilizing a personalized cache
3. 6584193 - System, method, and computer program product for network telephone queuing
4. 6298127 - Call transfer and conference with separate billing records per leg
5. 6122364 - Internet network call center
6. 6018579 - Call center services for local calls using local number portability
7. 5991369 - System and method for message delivery for non-published directory
8. 5987116 - Call center integration with operator services databases
9. 5987115 - Systems and methods for servicing calls by service agents connected via