Average Co-Inventor Count = 12.41
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. Nycomed Imaging As (1 from 162 patents)
2. Amersham Health As (1 from 46 patents)
2 patents:
1. 6423296 - Constrast media
2. 6123920 - Superparamagnetic contrast media coated with starch and polyalkylene