Average Co-Inventor Count = 5.46
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. Other (1 from 832,843 patents)
2. Columbia University (1 from 2,489 patents)
3. Ibm Thomas J. Watson Search Center (1 from 1 patent)
2 patents:
1. 6941325 - Multimedia archive description scheme
2. 6847980 - Fundamental entity-relationship models for the generic audio visual data signal description