Average Co-Inventor Count = 1.16
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 (11 from 58,131 patents)
11 patents:
1. D684952 - Earphone
2. D673522 - Headset
3. D669879 - Recording device
4. D662912 - Headset
5. D646665 - Speaker box
6. D578085 - Television receiver
7. D568842 - Television receiver
8. D564988 - Television receiver
9. D556706 - Television receiver
10. D541234 - Television receiver
11. D522995 - Disc player