Average Co-Inventor Count = 2.34
ph-index = 6
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. Ipt Corporation (3 from 11 patents)
2. Duncan Industries (3 from 5 patents)
3. Clear Token Inc (2 from 2 patents)
8 patents:
1. 11861572 - Secure electronic payment
2. 11308462 - Secure electronic payment
3. RE47678 - Parking environment management system and method
4. 8219442 - Permit-based parking environment management method and system
5. 7950570 - Parking environment management system and method
6. 6874340 - Quick lock release system for parking meter vaults
7. D461728 - Parking meter housing
8. 6354425 - Housing for parking meter