Average Co-Inventor Count = 6.00
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. Schlumberger Technology Corporation (3 from 10,170 patents)
3 patents:
1. 6564876 - Packer
2. 6315050 - Packer
3. 6186227 - Packer