Average Co-Inventor Count = 2.57
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. Mitac, Inc. (2 from 2 patents)
2. Ispro, Inc. (1 from 1 patent)
3 patents:
1. D442956 - Driver set
2. 5980262 - Method and apparatus for generating musical accompaniment signals at a
3. 5898119 - Method and apparatus for generating musical accompaniment signals, and