Average Co-Inventor Count = 3.43
ph-index = 6
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. National Business Systems, Inc. (6 from 17 patents)
6 patents:
1. 4900168 - Credit card transporting embossing and recording system
2. 4866545 - Credit card embossing and recording system
3. 4789420 - Credit card embossing system
4. 4784059 - Credit card embossing system
5. 4755069 - Credit card embossing and recording system
6. 4686898 - Credit card embossing system