Average Co-Inventor Count = 3.46
ph-index = 3
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. Ticona Gmbh (2 from 429 patents)
2. Hoechst Aktiengesellschaft (1 from 6,662 patents)
3 patents:
1. 6171867 - Piezoelectric gas sensor
2. 5958787 - Polymer sensor
3. 5866798 - Crystal oscillator sensor