Average Co-Inventor Count = 1.64
ph-index = 1
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. Kapsch Trafficcom Ag (1 from 134 patents)
2. Mark IV Industries Corporation (1 from 43 patents)
3. Mark IV Ivhs, Inc. (1 from 3 patents)
4. Kapsch Trafficcom Canada Inc. (2 patents)
3 patents:
1. 9911015 - Methods for prolonging battery life in toll transponders
2. 8547243 - Electronic toll collection transponder orientation device and method
3. 8013760 - High occupancy vehicle status signaling using electronic toll collection infrastructure