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. Hag Aktiengesellschaft (2 from 7 patents)
2 patents:
1. 4255458 - Method for the selective extraction of caffeine from vegetable materials
2. 4168324 - Process of extracting stimulants from coffee