Average Co-Inventor Count = 3.82
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. (12 from 1,799 patents)
2. Sony Corporation (1 from 58,131 patents)
13 patents:
1. 7864957 - Methods and apparatus for secure distribution of program content
2. 7490143 - Communication system
3. 7469345 - Methods and apparatus for secure distribution of program content
4. 7409063 - Contents distribution system
5. 7409441 - Display apparatus for accessing desired web site
6. 7313702 - Method for issuing identification information
7. 7275987 - Virtual world system, server computer and information processor
8. 7275261 - Method and system for monitoring utilizing condition of contents, computer program and recording medium
9. 7178037 - Computer program copy management system
10. 6807620 - Game system with graphics processor
11. 6677951 - Entertainment apparatus having compatibility and computer system
12. 6151035 - Method and system for generating graphic data
13. 5949409 - Image processing in which the image is divided into image areas with