Average Co-Inventor Count = 5.46
ph-index = 2
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. Mitac International Corporation (1 from 222 patents)
2. Magellan Navigation, Inc. (1 from 3 patents)
2 patents:
1. 7668652 - Portable vehicle navigation system
2. 7295921 - Portable vehicle navigation system