Average Co-Inventor Count = 3.00
ph-index = 4
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. Waters Investments Limited (4 from 137 patents)
2. Waters Corporation (3 from 9 patents)
7 patents:
1. 6773583 - Water-wettable chromatographic media for solid phase extraction
2. 6726842 - Water-wettable chromatographic media for solid phase extraction
3. 6468422 - Water-wettable chromatographic media for solid phase extraction
4. 6254780 - Water-wettable chromatographic media for solid phase extraction
5. 6106721 - Water-wettable chromatographic media for solid phase extraction
6. 5976367 - Water-wettable chromatographic media for solid phase extraction
7. 5882521 - Water-wettable chromatographic media for solid phase extraction