Average Co-Inventor Count = 5.62
ph-index = 3
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 Gmbh (3 from 306 patents)
3 patents:
1. 4191776 - Biphenyl derivatives
2. 3993683 - Biphenylyl derivatives
3. 3975524 - 3-Piperazino-isoquinolines and salts thereof