Average Co-Inventor Count = 5.00
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. Hoechst Aktiengesellschaft (3 from 6,662 patents)
3 patents:
1. 5205287 - Ultrasonic contrast agents, processes for their preparation and the use
2. 5190982 - Ultrasonic contrast agents, processes for their preparation and the use
3. 5137928 - Ultrasonic contrast agents, processes for their preparation and the use