Average Co-Inventor Count = 3.27
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. Hoechst Aktiengesellschaft (3 from 6,662 patents)
3 patents:
1. 4374990 - Cyclic diamine derivatives
2. 4312861 - Pharmaceutical compositions containing N-alkyl-N-(nuclearly-substituted)
3. 4115569 - Cyclic diamine derivatives