Average Co-Inventor Count = 3.43
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 (2 from 6,662 patents)
2 patents:
1. 5534384 - Photosensitive material for the production of a multicolored image
2. 5328797 - Process for producing a negative-working lithographic printing form