Average Co-Inventor Count = 3.27
ph-index = 3
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. The Gillette Company (3 from 2,654 patents)
3 patents:
1. D424109 - Pen
2. D364423 - Pen
3. D356598 - Pen