Average Co-Inventor Count = 2.46
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 Corp. (7 from 4,208 patents)
2. Lucent Technologies Inc. (1 from 9,364 patents)
8 patents:
1. 5960348 - Technique for use in processing telephone calls
2. 5894504 - Advanced call waiting and messaging system
3. 5893903 - Multimedia message system with revenue allocation
4. 5745550 - Multiply accommodated message relaying for hearing impaired callers
5. 5724411 - Method for selectively alerting multiple telephones of an incoming call
6. 5706339 - Technique for use in processing personal telephone calls
7. 5636269 - Intelligent call waiting
8. 5475733 - Language accommodated message relaying for hearing impaired callers