Average Co-Inventor Count = 1.85
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. Trodat Gmbh (2 from 51 patents)
2. Colop Stempelerzeugung Skopek Gesellschaft M.b.h. & Co. Kg. (1 from 31 patents)
3. Color Stempelerzeugung Skopek Gesellschaft M.b.h. & Co. Kg. (1 from 1 patent)
4 patents:
1. 11679611 - Hand-operated stamp having a tilting element
2. 11247500 - Turning device
3. 8302530 - Stamp
4. D614688 - Handstamp