Average Co-Inventor Count = 6.32
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. Boehringer Ingelheim Kg (3 from 197 patents)
2. Boehringer Ingelheim Gmbh (2 from 306 patents)
5 patents:
1. 5719279 - Asymmetrically substituted xanthines
2. 5508405 - Quinuclidines, their use as medicaments and processes for their
3. 5451587 - Quinuclidines, their use as medicaments and processes for their
4. 5422353 - Tetrahydropyridine derivatives
5. 5286864 - Quinuclidines, their use as medicaments and processes for their