Average Co-Inventor Count = 2.40
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. Henkel Corporation (1 from 1,087 patents)
2. Parker Chemical Company (1 from 25 patents)
2 patents:
1. 5073196 - Non-accelerated iron phosphating
2. 4498935 - Zinc phosphate conversion coating composition