Average Co-Inventor Count = 2.51
ph-index = 18
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. Highwaymaster Communications, Inc. (15 from 28 patents)
2. Other (3 from 832,880 patents)
3. Sca Promotions, Inc. (3 from 19 patents)
4. On-board Communications, Inc. (2 from 4 patents)
5. Track Communications, Inc. (1 from 5 patents)
6. Minorplanet Systems Usa, Inc. (2 patents)
7. Sasial Vehicle Technologies Limited (0 patent)
24 patents:
1. 9311616 - System and method for determining equipment utilization changes based on ignition and motion status
2. 9111403 - Systems and methods for tracking device control and report
3. 8016662 - Game-winner selection based on verifiable event outcomes
4. 7892087 - Authentication of game results
5. 7155014 - System and method for playing a lottery-type game
6. 6301480 - System and method for communicating using a voice network and a data network
7. 6295449 - Data messaging in a communications network using a feature request
8. 6240295 - Data messaging in a communications network using a feature request
9. 6141404 - Voice and data communication
10. 6061558 - Method and apparatus for a nation-wide cellular telephone network
11. 6009330 - Method and apparatus for call delivery to a mobile unit
12. 5987377 - Method and apparatus for determining expected time of arrival
13. 5983108 - Method and apparatus for a nation-wide cellular telephone network
14. 5970481 - Method and apparatus for determining tax of a vehicle
15. 5966658 - Automated selection of a communication path