Average Co-Inventor Count = 2.40
ph-index = 1
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. Rutgerswerke Aktiengesellschaft (2 from 140 patents)
2 patents:
1. 5486538 - Precious metal humates and their preparations
2. 5456935 - Food products