Average Co-Inventor Count = 1.80
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 (3 from 112 patents)
3 patents:
1. 4208189 - Match splints and matches made therewith
2. 4205958 - Method for the manufacture of matches
3. 3939560 - Shaving equipment