Average Co-Inventor Count = 3.00
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. American Cyanamid Company (5 from 3,580 patents)
5 patents:
1. 4981989 - Antihypertensive phosphate derivatives and intermediates thereof
2. 4894367 - Antihypertensive phosphate derivatives
3. 4883816 - Antihypertensive derivatives
4. 4762942 - Antihypertensive phosphate derivatives
5. 4640913 - Phosphocholine derivatives having antihypertensive action