Average Co-Inventor Count = 4.80
ph-index = 2
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. Diebold, Inc. (2 from 544 patents)
2 patents:
1. 5905446 - Electronic key system
2. 5701828 - Electronic security system