Average Co-Inventor Count = 1.17
ph-index = 9
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. Merz & Krell Gmbh & Co. (7 from 13 patents)
2. Merz & Krell Gmbh & Co Kgaa (5 from 17 patents)
3. Senator Gmbh & Co. Kgaa (2 from 26 patents)
14 patents:
1. D577064 - Writing instrument
2. D576679 - Component for a writing instrument
3. D525304 - Writing instrument component
4. D510386 - Writing utensil
5. D491225 - Writing instrument
6. D484912 - Writing utensil grip portion
7. D469467 - Writing utensil
8. D469123 - Writing utensil
9. D443896 - Writing instrument
10. D442226 - Writing utensil
11. D437888 - Writing instrument
12. D416576 - Writing utensil with slanted tip
13. D380008 - Writing instrument
14. D374251 - Writing instrument