Average Co-Inventor Count = 2.04
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. Hallmark Cards, Inc. (14 from 233 patents)
14 patents:
1. 12322215 - Activatable postage
2. 12288113 - Signature-based unique identifier
3. 12039809 - Activatable postage
4. 11900194 - Signature-based unique identifier
5. 11429250 - Augmented reality appearance enhancement
6. 11263503 - Signature-based unique identifier
7. 10974863 - Collapsible virtual reality viewer assembly
8. 10768790 - Augmented reality appearance enhancement
9. 10329047 - Collapsible virtual reality viewer assembly
10. 9977572 - Augmented reality appearance enhancement
11. 9473251 - Transferring audio files
12. 6676587 - Integrated emboss module
13. 6349639 - Paper embossing system with a flexible counter and method of embossing
14. 6186936 - Paper embossing system with a flexible counter and method of embossing