Average Co-Inventor Count = 1.62
ph-index = 6
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 (10 from 58,130 patents)
10 patents:
1. D666215 - Disc player
2. D636376 - Amplifier
3. D624900 - Amplifier
4. D613764 - Disc player
5. D603409 - Case for memory card
6. D587674 - Disc player
7. D571348 - Disc player
8. D556803 - Video camera
9. D556804 - Video camera
10. D542319 - Video camera