Average Co-Inventor Count = 3.20
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. Weyerhaeuser Company Limited (2 from 664 patents)
2 patents:
1. 5025504 - Liner for a helmet, hat, cap or other head covering
2. 4900377 - Method of making a limited life pad