Average Co-Inventor Count = 1.50
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. Ashland Oil, Inc. (2 from 632 patents)
2 patents:
1. 4772490 - Method for producing a water-permeable covering on granular
2. 4076685 - Cyanoacrylate foundry binders and process