Average Co-Inventor Count = 3.20
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. Quad/graphics, Inc. (4 from 65 patents)
4 patents:
1. 7506813 - Resonator use in the print field
2. 7272466 - Electronic ID's for printed products
3. 6829521 - Printed products
4. 6675062 - Logs of printed products