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 (1 from 6,662 patents)
2. Dy Star Textilfarben Gmbh & Co. (1 from 14 patents)
2 patents:
1. 5926269 - Optical probe with sensor made of optical polymer
2. 5690698 - Black dye mixtures of fiber-reactive azo dyes and their use for dyeing