Average Co-Inventor Count = 2.73
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. Verifone Gmbh (6 from 213 patents)
2. Hewlett-packard Development Company, L.P. (2 from 27,427 patents)
8 patents:
1. 9779270 - Secured keypad devices
2. 9436293 - Secured keypad devices
3. 9250709 - Secure point of sale terminal
4. 9032222 - Secure point of sale terminal
5. 9013336 - Secured keypad devices
6. 8595514 - Secure point of sale terminal
7. 6630928 - Method and apparatus for touch screen data entry
8. 6549194 - Method for secure pin entry on touch screen display