Average Co-Inventor Count = 1.33
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. Wilkinson Sword Gmbh (2 from 112 patents)
2 patents:
1. 4654968 - Knife sharpeners
2. 4496047 - Pack for razors