Average Co-Inventor Count = 4.50
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. Quad/graphics, Inc. (9 from 64 patents)
9 patents:
1. 11833840 - Printing using color changeable material
2. 10286682 - Printing using color changeable material
3. 9607249 - System and method for adding data to a printed publication
4. 9460373 - Printing using color changeable material
5. 9070075 - Printing using color changeable material
6. 9047542 - System and method for adding data to a printed publication
7. 8625152 - System and method for adding data to a printed publication
8. 8605322 - Printing using color changeable material
9. 8120811 - System and method for adding data to a printed publication