Average Co-Inventor Count = 4.00
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. Other (3 from 832,891 patents)
2. Chiron Viagene, Inc. (1 from 9 patents)
4 patents:
1. 5888502 - Recombinant retroviruses
2. 5851529 - Recombinant retroviruses
3. 5716613 - Recombinant retroviruses
4. 5691177 - Recombinant retroviruses expressing a protein that converts a pro-drug