Average Co-Inventor Count = 2.25
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. Calgon Corporation (3 from 312 patents)
3 patents:
1. 4552665 - Stabilization of soluble manganese and its reaction products
2. 4452703 - Control of scale in sugar evaporation equipment
3. 4436628 - Polyphosphoric acid as a scale and corrosion inhibitor