Average Co-Inventor Count = 3.75
ph-index = 1
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. Basf Aktiengesellschaft (1 from 10,754 patents)
2. Knoll Aktiengesellschaft (1 from 84 patents)
2 patents:
1. 5693340 - Delayed-release form for pharmaceutical active compounds
2. 5364635 - Solid drug form with a high verapamil content