Average Co-Inventor Count = 6.21
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. International Business Machines Corporation (3 from 164,108 patents)
3 patents:
1. 6400690 - Dual map system for navigation and wireless communication
2. 6349257 - System for personalized mobile navigation information
3. 6330499 - System and method for vehicle diagnostics and health monitoring