Average Co-Inventor Count = 4.80
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. Sony Corporation (2 from 58,130 patents)
2 patents:
1. 7728812 - Portable electronic device, display method, program, and graphical user interface thereof
2. 7420903 - Electronic equipment, highlighting method, and program installed in the equipment