Average Co-Inventor Count = 1.38
ph-index = 11
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 (28 from 58,130 patents)
28 patents:
1. D507263 - Adapter
2. D504438 - Attachment for screen or display
3. D501848 - Transmitter
4. D494993 - Attachment for camera
5. D491940 - Disc drive
6. D477302 - Combined disc player, radio receiver and clock
7. D476309 - Speaker box
8. D472884 - Disc player
9. D468290 - Speaker box
10. D467572 - Speaker box
11. D463400 - Speaker box
12. D460431 - Adaptor for telephone
13. D459714 - Tape recorder
14. D457880 - Disc player combined with radio receiver and tape recorder
15. D457869 - Telephone