Average Co-Inventor Count = 1.33
ph-index = 1
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 (4 from 386 patents)
4 patents:
1. 10843502 - Writing instrument side-knock mechanism
2. 10525762 - Writing instrument side-knock mechanism
3. D866662 - Writing instrument
4. 10272714 - Anti-rotation extendable eraser mechanism