Average Co-Inventor Count = 1.07
ph-index = 18
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. E-stamp Corporation (25 from 29 patents)
2. Post N Mail, L.c. (4 from 4 patents)
29 patents:
1. 6158003 - Method and system for electronic document certification
2. D434438 - Front surface of a stampless envelope
3. D421048 - Front surface of a stampless envelope
4. 5982506 - Method and system for electronic document certification
5. 5983209 - System and method for determination of postal item weight by context
6. D414511 - Front surface of a stampless envelope
7. D405111 - Window portion of a stampless envelope
8. D405112 - Window portion of a stampless envelope
9. 5825893 - System and method for registgration using indicia
10. 5822739 - System and method for remote postage metering
11. 5819240 - System and method for generating personalized postage indica
12. 5812991 - System and method for retrieving postage credit contained within a
13. 5801364 - System and method for controlling the storage of data within a portable
14. 5801944 - System and method for printing postage indicia directly on documents
15. 5796834 - System and method for controlling the dispensing of an authenticating