Average Co-Inventor Count = 5.00
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. Pharmacia & Upjohn Ab (1 from 76 patents)
2. Fresenius Kabi Ab (1 from 6 patents)
2 patents:
1. 6627443 - Colored composition
2. 6093572 - Colored composition