Average Co-Inventor Count = 5.42
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. The United States of America As Represented by the Department of Health (3 from 1,217 patents)
2. The United States of America As Represented by the Secretary of (2 from 2,202 patents)
5 patents:
1. 5759765 - Human liver epithelial cell lines
2. 5665589 - Human liver epithelial cell lines
3. 5529920 - Human liver epithelial cell line and culture media therefor
4. 5443954 - Immortalized non-tumorigenic human bronchial epithelial cell lines
5. 4885238 - Immortalized human bronchial epitherial mesothelial cell lines