Average Co-Inventor Count = 8.00
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. The Lubrizol Corporation (2 from 1,305 patents)
2 patents:
1. 6412338 - On-board rotational viscometers
2. 6257051 - On-board rotational viscometers