Average Co-Inventor Count = 1.00
ph-index = 3
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. Southwestern Bell Communications Services, Inc. (3 from 7 patents)
2. Southwestern Bell Communication Services, Inc. (1 from 1 patent)
4 patents:
1. 8019059 - Method, system and article of manufacture for bookmarking voicemail messages
2. 7564956 - Method, system and article of manufacture for bookmarking voicemail messages
3. 7272213 - Method, system and article of manufacture for bookmarking voicemail messages
4. 6625261 - Method, system and article of manufacture for bookmarking voicemail messages