Average Co-Inventor Count = 2.50
ph-index = 6
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 (6 from 386 patents)
6 patents:
1. D679326 - Writing instrument
2. D665025 - Writing instrument
3. D508082 - Writing instrument
4. D501511 - Clip for a writing instrument
5. D500792 - Writing instrument
6. D500520 - Writing instrument