Average Co-Inventor Count = 4.00
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. Nycomed Gmbh (2 from 63 patents)
2. Takeda Gmbh (2 from 47 patents)
4 patents:
1. 8829189 - Salts of 6-heterocycle substituted hexahydrophenanthridine derivatives
2. 8754218 - Salts of 6-heterocycle substituted hexahydrophenanthridine derivatives
3. 8354535 - Salts of 6-heterocycle substituted hexahydrophenanthridine derivatives
4. 7718668 - Salts of 6-heterocycle substituted hexahydrophenanthridine derivatives