Average Co-Inventor Count = 1.40
ph-index = 9
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. (9 from 4,208 patents)
9 patents:
1. 6496501 - Method and apparatus for screening computer-telephony calls
2. 6356928 - Method for partitioning tasks into stateless elements
3. 6301608 - Method and apparatus providing personalized mailbox filters
4. 6161129 - Unlisted address messaging system
5. 5875401 - Method and apparatus for initiating wireless messages
6. 5848130 - System and method for enhanced intelligibility of voice messages
7. 5625677 - Simultaneous voice and data communications
8. 5513251 - Method for providing call waiting service
9. 5428608 - Call connection technique