Average Co-Inventor Count = 2.16
ph-index = 10
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. Datacard Corporation (18 from 141 patents)
2. Entrust Datacard Corporation (4 from 61 patents)
22 patents:
1. 10486454 - Background image security feature
2. 10112433 - Optically variable tactile security feature
3. 9744791 - Booklet spine guidance system in a booklet processing mechanism
4. 9346308 - Booklet guide and clamp system in a booklet processing mechanism
5. 7918393 - Leafing mechanism
6. 7441970 - Ribbon tensioning mechanisms
7. 6783067 - Passport production system and method
8. 5588763 - System and method for cleaning and producing data bearing cards
9. 5535078 - Magnetic multi-track read/write head with recessed core gap structure
10. 5453821 - Apparatus for driving and controlling solenoid impact imprinter
11. 5401111 - System and method for cleaning data bearing cards
12. 5320435 - Direct solenoid drive imprinting mechanism
13. 5266781 - Modular card processing system
14. 5206489 - Magnetic encoding device for cards
15. 5204802 - Method and apparatus for driving and controlling an improved solenoid