Average Co-Inventor Count = 4.00
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 Celanese Corporation (1 from 1,194 patents)
2. Celanese Gmbh (1 from 824 patents)
2 patents:
1. 4977547 - Method of detecting sound in water using piezoelectric-polymer
2. 4624796 - Piezoelectric filler and flexible piezoelectric composites