Average Co-Inventor Count = 7.00
ph-index = 1
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 (2 from 58,130 patents)
2. Sony Mobile Communications Ab (1 from 458 patents)
3. Sony Ericsson Mobile Communications Ab (1,101 patents)
4. Sony Mobile Communications Inc. (729 patents)
2 patents:
1. RE47487 - Network-based service access for wireless communication devices
2. 8914463 - Network-based service access for wireless communication devices