Average Co-Inventor Count = 1.76
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. John Wyeth Brother, Limited (4 from 299 patents)
2. Pfizer Corporation (1 from 4,455 patents)
5 patents:
1. 5270323 - Method of treating impotence
2. 4701462 - Method for prevention of hypertension
3. 4451465 - Anti-obesity agents
4. 4428954 - Method for treatment of cerebrovascular disorders
5. 4406903 - Xanthine derivatives useful as antidepressives