Average Co-Inventor Count = 2.00
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. Westvaco Corporation (2 from 790 patents)
2 patents:
1. 4608122 - Method for washing a paper fiber on a belt washer using a sonic
2. 4539827 - Belt washing improvements