Average Co-Inventor Count = 4.00
ph-index = 1
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. Grape Technology Group, Inc. (1 from 70 patents)
2. Metro One Telecommunications, Inc. (1 from 46 patents)
2 patents:
1. 7493101 - Text to speech conversion method
2. 6801763 - Technique for effectively communicating travel directions