Average Co-Inventor Count = 3.95
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. Gemplus Card International (4 from 112 patents)
2. Gemplus (1 from 155 patents)
5 patents:
1. 6050487 - Card reader for game machine
2. 5706925 - Games machine with electronic payment mechanism
3. 5697482 - Games machine with electronic payment mechanism
4. 5580310 - Games machine with mechanical counters as laid down by regulations, and
5. 5575374 - Games machine with electronic payment mechanism