Average Co-Inventor Count = 2.00
ph-index = 3
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 (4 from 58,131 patents)
2. Sony Mobile Communications Inc. (2 from 729 patents)
3. Sony Mobile Communications Ab (1 from 458 patents)
4 patents:
1. 9423833 - Hinge structure with stand and keyboard device
2. 9319497 - Portable terminal
3. 9069457 - Portable terminal
4. 7633745 - Electronic device