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. Hiechst Celanese Corporation (1 from 1 patent)
1 patent:
1. 4877697 - Color filter array for liquid crystal display device