Average Co-Inventor Count = 2.89
ph-index = 8
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. (9 from 2,979 patents)
9 patents:
1. 5554842 - Luminescent facing marks for enhanced postal indicia discrimination
2. 5452654 - Postage metering system with short paid mail deterrence
3. 5448641 - Postal rating system with verifiable integrity
4. 5229932 - Method and apparatus for categorizing and certifying mail batches
5. 5005124 - Method and apparatus for categorizing and certifying mail
6. 4998204 - Mailing system and method for low volume mailers printing postage
7. 4947333 - Batch mailing system
8. 4933849 - Security system for use with an indicia printing authorization device
9. 4856604 - Apparatus and method of determining the authenticity of weight obtained