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. Sanford Gmbh (3 from 386 patents)
3 patents:
1. D858635 - Pen
2. D853490 - Pen
3. D848730 - Package for writing instruments