Average Co-Inventor Count = 1.14
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. Amersham Biosciences Ab (3 from 45 patents)
2. Pharmacia Biotech Ab (1 from 38 patents)
4 patents:
1. D506261 - Chromatography column locking ring
2. D500856 - Chromatography column assembly
3. D500555 - Chromatography column end cap
4. 5714074 - Method and apparatus for liquid chromatography