Average Co-Inventor Count = 3.43
ph-index = 4
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. Qwizdom, Inc. (3 from 4 patents)
4 patents:
1. 7715780 - Audience response systems, methods and apparatus
2. D572719 - Display screen and icons for handheld wireless audience response device
3. D542792 - Audience participation device
4. D535654 - Audience participation device