Average Co-Inventor Count = 2.62
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. Mic (4 from 515 patents)
2. Schlumberger Norge as (4 from 40 patents)
3. Other (1 from 832,912 patents)
4. Ykk Corporation (1,384 patents)
7 patents:
1. 10228315 - Method and apparatus for measuring particle size distribution in drilling fluid
2. 9777542 - Automated drilling fluid analyzer
3. 9279304 - Fluid pressure transmission pill
4. 9244026 - X-ray fluorescence analyzer
5. 9007580 - Method and apparatus for measuring particle size distribution in drilling fluid
6. 8927466 - Fluid pressure transmission pill
7. 8427640 - Method and apparatus for measuring particle size distribution in drilling fluid