Average Co-Inventor Count = 7.00
ph-index = 3
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. Environmental Systems Products Holdings Inc. (3 from 18 patents)
3 patents:
1. 8056397 - System and method for testing fuel tank integrity
2. 7409852 - System and method for testing fuel tank integrity
3. 7168297 - System and method for testing fuel tank integrity