Average Co-Inventor Count = 1.50
ph-index = 3
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. Colop Stempelerzeugung Skopek Gesellschaft M.b.h. & Co. Kg. (3 from 31 patents)
3 patents:
1. 8408125 - Ink storage member unit for hand-operated stamp
2. 8104402 - Hand-operated stamp having connecting part with ink refilling socket
3. 7464643 - Self-inking hand stamp