Average Co-Inventor Count = 4.00
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. Other (1 from 832,812 patents)
2. Northwestern University (1 from 2,118 patents)
2 patents:
1. 5439313 - Spray patching pavement repair system
2. 5333969 - Automated pavement repair vehicle