Average Co-Inventor Count = 2.40
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. Visa U.s.a. Inc. (1 from 475 patents)
2. Cubic Corporation (1 from 347 patents)
2 patents:
1. 9495672 - Mobile device containing contactless payment card used in transit fare collection
2. 8856024 - Determining companion and joint cards in transit