Average Co-Inventor Count = 1.12
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. Global Research Systems, Inc. (6 from 11 patents)
6 patents:
1. 6313760 - Advance notification system and method utilizing a distinctive telephone ring
2. 6278936 - System and method for an advance notification system for monitoring and reporting proximity of a vehicle
3. 5668543 - Advance notification system and method utilizing passenger calling
4. 5657010 - Advance notification system and method utilizing vehicle progress report
5. 5623260 - Advance notification system and method utilizing passenger-definable
6. 5400020 - Advance notification system and method