Average Co-Inventor Count = 3.00
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. Hoechst Aktiengesellschaft (1 from 6,662 patents)
2. Yeda Research and Develpment & Co. Ltd (1 from 1,168 patents)
2 patents:
1. 5384068 - Switchable columnar liquid-crystalline systems
2. 5120412 - Preparation of hypericin