Average Co-Inventor Count = 3.27
ph-index = 5
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 Ag (5 from 3,607 patents)
2. S&p Aktiengesellschaft (1 from 1 patent)
6 patents:
1. 8644755 - Method and system for managing learning materials presented offline
2. 8571462 - Method and system for constraining learning strategies
3. 8051193 - Communications between content and presentation players
4. 7921208 - Network time out handling
5. 7840175 - Method and system for changing learning strategies
6. 7264475 - Curriculum management