Average Co-Inventor Count = 4.13
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. International Business Machines Corporation (4 from 164,108 patents)
2. Nuance Communications, Inc. (2 from 1,422 patents)
6 patents:
1. 8170877 - Printing to a text-to-speech output device
2. 7716052 - Method, apparatus and computer program providing a multi-speaker database for concatenative text-to-speech synthesis
3. 7043432 - Method and system for text-to-speech caching
4. 5384598 - System and method for frame differencing video compression and
5. 5300949 - Scalable digital video decompressor
6. 4893256 - Interactive video composition and presentation systems