Average Co-Inventor Count = 2.53
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. Sap Ag (2 from 3,607 patents)
2. Makemusic, Inc. (2 from 4 patents)
4 patents:
1. 9142201 - Distribution of audio sheet music within an electronic book
2. 8933312 - Distribution of audio sheet music as an electronic book
3. 6460031 - System and method for creating and titling reports using an integrated title bar and navigator
4. 6320586 - System an method for the visual display of data in an interactive split pie chart