Average Co-Inventor Count = 2.40
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. Yahoo! Inc. (1 from 2,367 patents)
2. Ricktek Technology Corporation (1 from 5 patents)
2 patents:
1. 9075981 - Non-textual security using portraits
2. 8660276 - Driving circuit for a sound outputting apparatus