Average Co-Inventor Count = 1.00
ph-index = 5
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. Cubic-western Data (3 from 39 patents)
2. Cubic Automatic Revenue Collection Group (2 from 9 patents)
5 patents:
1. 5298726 - Fare card read-writer which overwrites oldest or invalid data
2. 5191195 - Fare card read-writer which overwrites oldest or invalid data
3. 4798942 - Easy access ticket transport mechanism
4. D292939 - Fare collection ticket transport
5. 4605843 - Easy access ticket transport