Average Co-Inventor Count = 2.72
ph-index = 33
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. Pitney Bowes Inc. (151 from 2,979 patents)
2. Other (3 from 832,680 patents)
3. Digimarc Corporation (2 from 1,404 patents)
4. Monarch Marking Systems, Inc. (1 from 408 patents)
5. Bitney Bowes, Inc. (1 from 1 patent)
6. Certicom Corporation (342 patents)
156 patents:
1. RE45828 - Method for determining a printer's signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document
2. 8826004 - Method and system for printing transaction documents using a multi-vendor secure printer under control of a printer authority
3. 8750593 - Substitute check incorporating encoded indication of security feature in original check
4. 8719180 - Delivery point identity services
5. 8676715 - System and method for authenticating indicia using identity-based signature scheme
6. 8527285 - Postage printing system for printing both postal and non-postal documents
7. 8407156 - Closed loop postage metering system
8. 8368924 - System and method for printing documents having a copy detection pattern
9. 8342625 - Printer ink identification system and method
10. 8297860 - System and method for improving print quality on mail pieces having low reflectivity
11. 8240797 - System and method for providing graphic security to a document at the time of printing
12. 8208633 - Method and system for securing communications in a metering device
13. 8160974 - Multiple carrier mailing machine
14. 8078539 - Method and system for sorting checks according to a priority order associated with the account number
15. 8078293 - System and method for routing selection using statistical data