Average Co-Inventor Count = 3.00
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. Rohm and Haas Company (3 from 3,391 patents)
3 patents:
1. 4431785 - Ion exchange resins
2. 4375519 - Ion exchange resins
3. 4246386 - Ion exchange resins