Average Co-Inventor Count = 3.13
ph-index = 5
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 Computer Entertainment Inc. (17 from 1,799 patents)
2. Sony Corporation (4 from 58,129 patents)
3. Sony Interactive Entertainment Inc. (3,052 patents)
17 patents:
1. 8453139 - Conditional startup process for a game apparatus and information processing apparatus
2. 8433911 - Management server, management method, management system for downloading of contents, and mobile devices
3. 8205075 - Authentication device and method
4. 8055953 - Information processing apparatus, information processing system, information processing method and computer program
5. 7864957 - Methods and apparatus for secure distribution of program content
6. 7761707 - Recording medium, content player, content player method, and computer program
7. 7496752 - System and method for controlling communication using device ID
8. 7469345 - Methods and apparatus for secure distribution of program content
9. 7409063 - Contents distribution system
10. 7409441 - Display apparatus for accessing desired web site
11. 7313702 - Method for issuing identification information
12. 7275987 - Virtual world system, server computer and information processor
13. 7275261 - Method and system for monitoring utilizing condition of contents, computer program and recording medium
14. 7269529 - Data processing apparatus, program, and method for testing a secured circuit and maintaining confidentiality of the circuit
15. 7203760 - System for distributing content data according to user-set content distribution schedules