Average Co-Inventor Count = 2.69
ph-index = 6
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 Corp. (6 from 4,208 patents)
2. At&t Bell Laboratories (1 from 3,345 patents)
7 patents:
1. 7221936 - Method and apparatus for personalization of a public multimedia communications terminal
2. 7039411 - Method and apparatus for personalization of a public multimedia communications terminal
3. 6658254 - Method and apparatus for personalization of a public multimedia communications terminal
4. 6466910 - Method and apparatus to provide enhanced directory assistance information in a communication network
5. 6269337 - Method and apparatus to provide enhanced directory assistance information in a communication network
6. 5859897 - Telephone calling card and service
7. 5353335 - Multilingual prepaid telephone system