Average Co-Inventor Count = 4.00
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. Efrat Future Technology Ltd. (3 from 4 patents)
2. Comverse Technology Inc. (3 from 3 patents)
3 patents:
1. 5668855 - Message management system
2. 5586173 - Message management system
3. 5317628 - Message management system