Average Co-Inventor Count = 5.09
ph-index = 2
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. Sap Se (1 from 5,892 patents)
2. Sap Ag (1 from 3,607 patents)
2 patents:
1. 8924272 - System and method for management and verification of invoices
2. 7840455 - System and method of detecting fraudulent or erroneous invoices