Average Co-Inventor Count = 1.33
ph-index = 4
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. Schlumberger Systemes (3 from 43 patents)
2. Parkeon (1 from 13 patents)
4 patents:
1. D652872 - Automatic vending machine
2. 7319974 - Vehicle parking management method
3. 6411937 - Terminal for communication in an urban environment
4. 6104299 - Device for monitoring pollution caused by motor vehicles in an urban area