Average Co-Inventor Count = 1.26
ph-index = 13
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. Stamps Com Inc. (13 from 180 patents)
2. E-stamp Corporation (4 from 29 patents)
3. Other (2 from 832,718 patents)
4. Kara Technology Incorporated (2 from 4 patents)
21 patents:
1. 8600910 - System and method for remote postage metering
2. 8195579 - System and method for printing postage indicia with mail-by date
3. 8135651 - System and method for printing multiple postage indicia
4. 8064088 - Postage server system and method
5. 7864356 - Postage server system and method
6. 7711650 - System and method for validating postage
7. 7343357 - System and method for printing multiple postage indicia
8. 7265853 - Postage server system and method
9. 7266504 - System and method for printing multiple postage indicia
10. 7035832 - System and method for automatically providing shipping/transportation fees
11. 6735575 - Verifying the authenticity of printed documents
12. 6505179 - Verifying the authenticity of printed documents on universally available paper stock
13. D456838 - Window portion of a stampless envelope
14. D451952 - Window portion of a stampless envelope
15. 6297891 - Method & system for electronic document certification