Average Co-Inventor Count = 2.92
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. Nortel Networks Corporation (4 from 4,171 patents)
2. Northern Telecom Limited (2 from 2,276 patents)
3. Avaya Inc. (1 from 2,328 patents)
7 patents:
1. 7685102 - Methods and apparatus for operating on non-text messages
2. 6873951 - Speech recognition system and method permitting user customization
3. 6631368 - Methods and apparatus for operating on non-text messages
4. 6396908 - Message transfer system
5. 6014436 - Telecommunications answering feature method and apparatus
6. 5712902 - Telecommunications answering feature method and apparatus
7. 5668853 - Telecommunications calling feature method and apparatus