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. Schlumberger Technology Corporation (2 from 10,178 patents)
2 patents:
1. 7717176 - Permeable cements
2. 7063738 - Permeable cements