Average Co-Inventor Count = 3.00
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. Hoechst Aktiengesellschaft (1 from 6,662 patents)
2. Hoechst Japan Limited (1 from 66 patents)
2 patents:
1. 5023244 - Anti-dementia agents
2. 4719212 - Therapeutic agent for memory disturbance