Average Co-Inventor Count = 1.44
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. Nec Corporation (4 from 35,734 patents)
2. Sony Corporation (3 from 58,131 patents)
3. Sony Computer Entertainment Inc. (2 from 1,799 patents)
4. Sony Interactive Entertainment Inc. (1 from 3,063 patents)
8 patents:
1. 11498206 - Entertainment system, robot device, and server device
2. 8949115 - Terminal device, audio output method, and information processing system
3. 8935554 - Hand held electronic device with user controlled power saving feature
4. 8826131 - Information processing apparatus, information processing method, and information processing program for generating content lists
5. 7965198 - Road-to-vehicle communication system, road-to-vehicle communication method, road-to-vehicle communication program and program recording medium
6. 7545286 - Self-propelled vehicle safety urging system, self-propelled vehicle safety urging method, and safety urging information processing program
7. 7003113 - Position authentication system and electronic equipment using the same
8. 6392871 - Portable computer system with adjustable display subsystem