Average Co-Inventor Count = 1.45
ph-index = 23
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. Magellan Dis, Inc. (22 from 43 patents)
2. Harman International Industries, Inc. (3 from 1,933 patents)
3. Harman Becker Automotive Systems Gmbh (1 from 614 patents)
4. Mitac International Corporation (1 from 222 patents)
5. Magellan Navigation, Inc. (1 from 3 patents)
6. Magellan Driver Information Systems, Inc. (1 from 1 patent)
7. Magelan Dts, Inc. (1 from 1 patent)
8. Beacon Navigation Gmbh (0 patent)
30 patents:
1. 9140572 - Methods for controlling a navigation system
2. 8572489 - Handlebar audio controls
3. 8312061 - System for broadcast information database
4. 8296676 - System for a text speller
5. 7668652 - Portable vehicle navigation system
6. 7295921 - Portable vehicle navigation system
7. 7170518 - Selective rendering of cartographic entities for a navigation system
8. 6873907 - Navigation system with user interface
9. 6836725 - Vehicle navigation system with off-road navigation
10. 6765554 - Navigation system character input device
11. 6741928 - Navigation system with figure of merit determination
12. 6711499 - Navigation system with run-time training instruction
13. 6611753 - 3-dimensional intersection display for vehicle navigation system
14. 6574551 - Autoscaling of recommended route
15. 6529822 - Navigation system with zoomed maneuver instruction