Average Co-Inventor Count = 1.17
ph-index = 9
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 (14 from 58,132 patents)
14 patents:
1. D473206 - Combined disc player with radio receiver and tape recorder
2. D441375 - Editor for sound and visual data
3. D435026 - Video recorder
4. D434397 - Editor for a video recorder
5. D434014 - Editor for video tape recorder
6. D431814 - Video tape recorder
7. D431239 - Speaker box
8. D431032 - Data recorder
9. D417200 - Data processor
10. D412328 - Video tape player
11. D410431 - Battery charger
12. D409974 - Rechargeable battery
13. D360636 - Speaker box
14. D350754 - Digital audio disc player combined with tuner, equalizer amplifier and