Average Co-Inventor Count = 1.00
ph-index = 5
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. Montblanc-simplo Gmbh (7 from 177 patents)
7 patents:
1. D683405 - Clip for a writing instrument
2. D661738 - Clip for a writing instrument
3. D657820 - Writing instrument
4. D656990 - Writing instrument
5. D593154 - Fountain pen
6. D556825 - Writing instrument
7. D555727 - Writing instrument