Average Co-Inventor Count = 1.41
ph-index = 13
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 (16 from 58,129 patents)
16 patents:
1. D679682 - Earphone
2. D637180 - Earphone
3. D610129 - Earphone
4. D598431 - Earphone
5. D593975 - Television receiver
6. D591721 - Earphone
7. D591722 - Earphone
8. D589493 - Earphone
9. D588100 - Headphone
10. D587685 - Earphone
11. D587247 - Earphone
12. D587248 - Earphone
13. D587249 - Earphone
14. D573561 - Television receiver
15. D567216 - Wireless headset