Average Co-Inventor Count = 2.00
ph-index = 4
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. Markem Corporation (4 from 71 patents)
4 patents:
1. 6093239 - Hot melt ink
2. 5938826 - Hot melt ink
3. 5891228 - Hot melt jet ink composition
4. 5863319 - Thermally stable hot melt ink