Average Co-Inventor Count = 1.26
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. Sony Corporation (8 from 58,129 patents)
8 patents:
1. 8508048 - Semiconductor device utilizing a package on package structure and manufacturing method thereof
2. D431237 - Disc recorder
3. D430862 - Disc player
4. D418528 - Machine tool
5. D414183 - Disc recorder
6. 5774098 - Indicator
7. D263829 - Video disk player
8. D263833 - Video disk player