Average Co-Inventor Count = 4.44
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. Norsk Hydro, A.s. (1 from 240 patents)
2. Altinex As (1 from 2 patents)
3. Fmc Kongsberg Subsea As (81 patents)
2 patents:
1. 5881807 - Injector for injecting a tracer into an oil or gas reservior
2. 5322120 - Electro hydraulic deep well sampling assembly