Average Co-Inventor Count = 5.00
ph-index = 4
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. Shell Oil Comapny (4 from 7,646 patents)
4 patents:
1. 7942203 - Thermal processes for subsurface formations
2. 7640980 - Thermal processes for subsurface formations
3. 7360588 - Thermal processes for subsurface formations
4. 7121342 - Thermal processes for subsurface formations