Average Co-Inventor Count = 6.63
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. American Safety Razor Company (3 from 117 patents)
3 patents:
1. 6598301 - Multi-purpose razor blade tool
2. D474668 - Razor blade tool
3. D458105 - Razor blade tool