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. Navteq North America, LLC (2 from 122 patents)
2. Navteg North America, LLC (1 from 1 patent)
3 patents:
1. 7805239 - Method of operating a navigation system to provide parking availability information
2. 7538690 - Method of collecting parking availability information for a geographic database for use with a navigation system
3. 7516010 - Method of operating a navigation system to provide parking availability information