Average Co-Inventor Count = 4.29
ph-index = 3
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. Other (1 from 832,966 patents)
2. Pitney Bowes Inc. (1 from 2,979 patents)
3. Dictaphone Corporation. (1 from 159 patents)
3 patents:
1. 7209897 - Systems and methods for charge-back invoice generation
2. 5179627 - Digital dictation system
3. 5163085 - Digital dictation system with voice mail capability