Average Co-Inventor Count = 3.83
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 Computer Entertainment Inc. (9 from 1,799 patents)
2. Sony Corporation (1 from 58,131 patents)
3. Sony Ericsson Mobile Communications Japan, Inc. (1 from 150 patents)
10 patents:
1. 7266397 - Portable terminal apparatus
2. D522013 - Keyboard
3. D521502 - Headphone
4. D517552 - Keyboard
5. D517068 - Keyboard
6. D516080 - Keyboard
7. D513249 - Headphone
8. D512417 - Noise canceller
9. D511769 - Holder for headphone
10. D510086 - Holder for headphone