Average Co-Inventor Count = 3.16
ph-index = 4
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 (5 from 386 patents)
5 patents:
1. D830167 - Package for a writing instrument
2. D825662 - Writing instrument
3. D819130 - Writing instrument
4. 9980547 - Writing instrument case
5. D813309 - Writing instrument