Average Co-Inventor Count = 3.33
ph-index = 3
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. 5436136 - Repressible yeast promoters
2. 5071761 - Hybrid interferons
3. 4885166 - Hybrid interferons