Average Co-Inventor Count = 5.09
ph-index = 1
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. Petroleo Brasileiro S.a. - Petrobras (2 from 433 patents)
2 patents:
1. 11408238 - Auxiliary device for lowering a tool into a well
2. 8087464 - System for installation and replacement of a subsea module and method applied thereby