Average Co-Inventor Count = 5.83
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. Other (2 from 832,891 patents)
2 patents:
1. 6033468 - Interground white blended cement
2. 6007620 - Process to make interground, white, blended cement