Average Co-Inventor Count = 2.71
ph-index = 8
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. At&t Intellectual Property I, L.p. (10 from 16,481 patents)
2. Bellsouth Intellectual Property Corporation (4 from 987 patents)
3. At&t Delaware Intellectual Property Corporation, Inc. (2 from 178 patents)
4. Other (1 from 832,718 patents)
5. At&t Bls Intellectual Property, Inc (1 from 96 patents)
18 patents:
1. 9601102 - Ambient noise cancellation for voice communication device
2. 9397964 - Method, system, and apparatus for providing self-destructing electronic mail messages
3. 9369799 - Ambient noise cancellation for voice communication device
4. 8725809 - Method, system, and apparatus for providing self-destructing electronic mail messages
5. 8542817 - Speaker volume control for voice communication device
6. 8472641 - Ambient noise cancellation for voice communications device
7. 8364764 - Method, system, and apparatus for providing self-destructing electronic mail messages
8. 7986772 - Saving information from information retrieval systems
9. 7634415 - Systems and processes for technology asset management
10. 7620161 - Saving information from information retrieval systems
11. 7450691 - Ambient noise cancellation for voice communication device
12. 7359491 - Saving information from information retrieval systems
13. 7356564 - Method, system, and apparatus for providing self-destructing electronic mail messages
14. 7286653 - Saving information from information retrieval systems
15. 7079645 - Speaker volume control for voice communication device