Average Co-Inventor Count = 4.51
ph-index = 5
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. Pharmacia Aktiebolag (3 from 34 patents)
2. Ab Ferrosan (3 from 18 patents)
3. Other (2 from 832,718 patents)
4. Pharmacia Ab (1 from 184 patents)
5. Aktiebolaget Leo (1 from 29 patents)
10 patents:
1. 6326371 - Pyrudyl and pyrimidylpiperazine derivatives
2. 5652240 - Pyridyl-and pyrimidylpiperazine derivatives
3. 5574031 - Piperazine carboxamides
4. 5034390 - Pyridyl-and pyrmidyl-piperazines useful for the treatment of mental
5. 4937245 - Bisphenylalkylpiperazine derivatives, a method of their preparation and
6. 4935419 - Novel 1-piperazinecarboxamide derivatives
7. 4778789 - Piperazinecarboxamides having a phenoxyalkyl or thiophenoxyalkyl side
8. 4447433 - Diphenylbutyl-piperazinecarboxamides to treat pain
9. 4385057 - Diphenylbutyl-piperazinecarboxamides in pharmaceutical compositions and
10. 4308387 - Diphenylbutyl-piperzinecarboxamides