Average Co-Inventor Count = 4.85
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. Ciba-geigy Corporation (3 from 6,850 patents)
3 patents:
1. 5580559 - Hybrid plasminogen activator
2. 5409700 - Pharmaceutical compositions comprising modified and unmodified
3. 5242819 - DNA molecules encoding hybrid proteins of tissue plasminogen activator