Average Co-Inventor Count = 4.14
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 (6 from 58,130 patents)
6 patents:
1. 8392939 - Audience state estimation system, audience state estimation method, and audience state estimation program
2. 8340350 - Information processing device and method, and program
3. 8244537 - Audience state estimation system, audience state estimation method, and audience state estimation program
4. 7756675 - Group-determination-table generating device and method
5. 7440029 - Apparatus and method for processing informational signal
6. 7342601 - Communication system, communication device, seating-order determination device, communication method, recording medium, group-determination-table generating method, and group-determination-table generating device