Average Co-Inventor Count = 2.00
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. Senator Gmbh & Co. Kgaa (2 from 26 patents)
2. Merz & Krell Gmbh & Co Kgaa (1 from 17 patents)
3 patents:
1. D530744 - Grouped writing utensils with wedge shaped shafts
2. D525655 - Writing utensil and cap
3. D520058 - Writing utensil