Average Co-Inventor Count = 5.33
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. Merck + Co., Inc. (4 from 4,770 patents)
4 patents:
1. 5756508 - Muscarine antagonists
2. 5718912 - Muscarine agonists
3. 5691323 - Muscarine antagonists
4. 5574044 - Muscarine antagonists