Average Co-Inventor Count = 2.22
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. E.i. Dupont De Nemours and Company (4 from 16,338 patents)
2. The United States of America As Represented by the Department of Health (1 from 1,217 patents)
5 patents:
1. 4986256 - Use of paramagnetic metalloporphyrins as contrast agents for tumors in
2. 4640704 - Herbicidal sulfonamides
3. 4582525 - Herbicidal sulfonamides
4. 4474601 - Herbicidal alkenyl benzenesulfonamide
5. 4368069 - Herbicidal sulfonamides