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. Total (1 from 14 patents)
2. Institut Francais Du Petrole Et Societe (1 from 1 patent)
2 patents:
1. 5465609 - Apparatus for study of gas migration in cement slag
2. 5398421 - Method for connecting magnetic measurements performed in a well through