Average Co-Inventor Count = 1.38
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. Other (2 from 832,880 patents)
2. Micro Computer Systems, Inc. (1 from 10 patents)
3 patents:
1. 6442592 - Message center system
2. 6278938 - Method of processing waypoint data for travel guide device
3. 6266614 - Travel guide